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Sample records for interv mari klein

  1. Engineering international relations / Maris Riekstins ; interv. Talis Saule Archdeacon

    Index Scriptorium Estoniae

    Riekstins, Maris

    2008-01-01

    Läti annab peatselt Läänemeremaade Nõukogu eesistuja teatepulga üle Taanile. Läti välisminister Maris Riekstins Läänemeremaade Nõukogu teemadest ning suhetest Venemaaga. Maris Riekstins'i CV

  2. Engineering international relations / Maris Riekstins ; interv. Talis Saule Archdeacon

    Index Scriptorium Estoniae

    Riekstins, Maris

    2008-01-01

    Läti annab peatselt Läänemeremaade Nõukogu eesistuja teatepulga üle Taanile. Läti välisminister Maris Riekstins Läänemeremaade Nõukogu teemadest ning suhetest Venemaaga. Maris Riekstins'i CV

  3. Reklaamid nagu kino / Jean Marie Bouriscot ; interv.Valner Valme

    Index Scriptorium Estoniae

    Bouriscot, Jean Marie

    2001-01-01

    Sakala keskuses toimus reedel 6. korda reklaamiõgijate öö, kus näidati reklaamiklippe Jean Marie Bouriscotþ kogust. Kogu omanik polnud küll seekord ise kohal, kuid vastas siiski ajakirjaniku küsimustele oma huviala kohta

  4. Hüljatud Eesti moodi / Maris Leif ; interv. Sven Haljand

    Index Scriptorium Estoniae

    Leif, Maris

    2006-01-01

    Ilmunud ka: Den za Dnjom 27. jaan. lk. 6-7. President Arnold Rüütli tütar Maris Leif vastab küsimustele, mis puudutavad tema suhteid oma vanemate, laste, õe ja endise abikaasa Olav Leifiga ning selgitab, miks tema tütred Maria ja Helena on vanavanemate kasvatada

  5. Reklaamid nagu kino / Jean Marie Bouriscot ; interv.Valner Valme

    Index Scriptorium Estoniae

    Bouriscot, Jean Marie

    2001-01-01

    Sakala keskuses toimus reedel 6. korda reklaamiõgijate öö, kus näidati reklaamiklippe Jean Marie Bouriscotþ kogust. Kogu omanik polnud küll seekord ise kohal, kuid vastas siiski ajakirjaniku küsimustele oma huviala kohta

  6. Rahvarõiva uus tulek / Mari Ird ; interv. Irene Roos

    Index Scriptorium Estoniae

    Ird, Mari

    2004-01-01

    Aastaid ajalooliselt õigeid Eesti rahvarõivaid loonud Mari Ird sellest, kuidas tänäpäeval rahvarõivaid valida, kanda ja hoida. Eesti rahvarõivaste huvitavatest tagamaadest, pidamise, käima-, seisu-, meeste, naiste ja laste rõivastest, pruudikroonist, jalanõudest. 14 ill.: Ruhnu naise rõivaste kolm varianti, Mulgi kihelkonna meeste, Karja kihelkonna naiste ja Pöide lesknaise riided

  7. ReUse Republic annab mõistele "uuskasutus" uue tähenduse / Tanel Veenre, Mari Klein

    Index Scriptorium Estoniae

    Veenre, Tanel, 1977-

    2009-01-01

    Moe- ja disainiagentuuri KalaMari uuest kaubamärgist ReUse Republic. Tegu on seisma jäänud brändirõivaste ümberdisainimise ja (uus)kasutusega. Projekti looja Mari Martin, kaasatud 15 eesti disainerit

  8. ReUse Republic annab mõistele "uuskasutus" uue tähenduse / Tanel Veenre, Mari Klein

    Index Scriptorium Estoniae

    Veenre, Tanel, 1977-

    2009-01-01

    Moe- ja disainiagentuuri KalaMari uuest kaubamärgist ReUse Republic. Tegu on seisma jäänud brändirõivaste ümberdisainimise ja (uus)kasutusega. Projekti looja Mari Martin, kaasatud 15 eesti disainerit

  9. Auto möirgab, ratas laulab / Mari Jüssi ; interv. Ylle Rajasaar

    Index Scriptorium Estoniae

    Jüssi, Mari, 1971-

    2008-01-01

    Uue Maailma Seltsi liige Mari Jüssi Eesti Rohelisest Liikumisest ja Uue Maailma Seltsist ka Tallinna linnaplaneerimisest, ühistranspordist, teede planeerimisest, valglinnastumisest, rattateedest, raudtee võimaluste vähesest kasutamisest. Mari Jüssi teemadeks on säästev transpordipoliitika ja autovaba linnaplaneerimine

  10. Liis Kängsepp : nähke maailma laiemalt / Liis Kängsepp ; interv. Mari Klein

    Index Scriptorium Estoniae

    Kängsepp, Liis, 1981-

    2008-01-01

    Äripäeva ajakirjanik Liis Kängsepp viibis rohkem kui aasta vabatahtlikuna Argentina getos, aidates harida sealseid lapsi, ning kirjutas sellest koju naasnuna raamatu "Minu Argentina : vabatahtlikuna getos"

  11. Liis Kängsepp : nähke maailma laiemalt / Liis Kängsepp ; interv. Mari Klein

    Index Scriptorium Estoniae

    Kängsepp, Liis, 1981-

    2008-01-01

    Äripäeva ajakirjanik Liis Kängsepp viibis rohkem kui aasta vabatahtlikuna Argentina getos, aidates harida sealseid lapsi, ning kirjutas sellest koju naasnuna raamatu "Minu Argentina : vabatahtlikuna getos"

  12. Mari sangari päeva sõnum / Jaak Prozes ; interv. Livia Viitol

    Index Scriptorium Estoniae

    Prozes, Jaak, 1965-

    2006-01-01

    Fenno-Ugria Hõimukeskuse juhataja ja Eestimaa Rahvaste Ühenduse juht soome-ugri rahvaste olukorrast Venemaal ja rahvusseltside tegevusest Eestis. Aprilli lõpul tähistasid marid oma rahvuspüha - mari sangari päeva. Pärimuse põhjal langes maride rahvuskangelane Boltu̧ võitluses oma rahva vabaduse eest 26. aprillil 1556

  13. Uned, mida mujal ei näe / Heilika Võsu ; interv. Mari Laaniste

    Index Scriptorium Estoniae

    Võsu, Heilika

    2007-01-01

    PÖFFi animafilmide festivali "Animated Dreams" (21.-25. XI kinos Sõprus), mis on seekord pühendatud Nukufilmi 50. juubelile, tutvustab festivali peakorraldaja. Võistluskavas on Eestist Kaspar Jancise "Maraton" ja Mari-Liis Bassovskaja - Jelena Girlini "Kleit". Lisatud festivali kava

  14. Mari sangari päeva sõnum / Jaak Prozes ; interv. Livia Viitol

    Index Scriptorium Estoniae

    Prozes, Jaak, 1965-

    2006-01-01

    Fenno-Ugria Hõimukeskuse juhataja ja Eestimaa Rahvaste Ühenduse juht soome-ugri rahvaste olukorrast Venemaal ja rahvusseltside tegevusest Eestis. Aprilli lõpul tähistasid marid oma rahvuspüha - mari sangari päeva. Pärimuse põhjal langes maride rahvuskangelane Boltu̧ võitluses oma rahva vabaduse eest 26. aprillil 1556

  15. Uned, mida mujal ei näe / Heilika Võsu ; interv. Mari Laaniste

    Index Scriptorium Estoniae

    Võsu, Heilika

    2007-01-01

    PÖFFi animafilmide festivali "Animated Dreams" (21.-25. XI kinos Sõprus), mis on seekord pühendatud Nukufilmi 50. juubelile, tutvustab festivali peakorraldaja. Võistluskavas on Eestist Kaspar Jancise "Maraton" ja Mari-Liis Bassovskaja - Jelena Girlini "Kleit". Lisatud festivali kava

  16. Oskar Klein

    Science.gov (United States)

    Fischer-Hjalmars, Inga; Laurent, Bertel

    2014-03-01

    Oskar Klein died on the fifth of February 1977 at the age of eighty-two. One of the most prominent Swedish physicists ever and an outstanding personality in the field of culture had passed away. He was a man whose interests knew no limits and as a scientist he greatly enriched our understanding of Nature. All those who knew him were astounded by his profound thinking, wealth of ideas, extensive insight and humanism, qualities that obviously had been stimulated by the spirit in his parents' home. His father, rabbi and professor in Stockholm, was deeply engaged in theological and humanitarian issues...

  17. Sisemine vabadus määrab identiteedi / Marie-Jo LaFontaine ; interv. Reet Varblane

    Index Scriptorium Estoniae

    LaFontaine, Marie-Jo

    2001-01-01

    Intervjuu belgia kunstniku Marie-Jo LaFontaine'iga 25. VII Rakveres. KanaNaha raames eksponeeritud M.-J. LaFontaine'i näitusest "Identiteedi ruum", tema fotodest lastest, kunstiturust Eestis ja Belgias, Belgia pankade kunstikogudest jm.

  18. Meeskõhutantsija Egiptusest / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari

    2006-01-01

    3. nov. algab Tallinnas Salme Kultuurikeskuses rahvusvaheline idamaise tantsu festival, millega tähistatakse kõhutantsu 10ndat tegevusaastat Eestis. Galakontserdi annab Egiptuse meeskõhutantsija ja tantsupedagoog Ashraf Mahdy

  19. Marie Curie; Marie Curie

    Energy Technology Data Exchange (ETDEWEB)

    Trotereau, J.

    2011-07-01

    The legend has only retained from Marie Curie (1867-1934) the image of a hard and brilliant worker, pioneer in the radioactivity domain, and who awarded twice the Nobel Price. Behind the scientist, there is a women, Marya Salomea Sklodowska, the 'Polish', who was considered during some time as an 'alien', an 'atheistic intellectual', an 'emancipated women'. When she died alone in July 1934, after an exhausting life of labour, her funeral led to no official ceremony or speech. This small book summarizes the biography of the most famous female scientist in the world

  20. Kleine Levin Syndrome

    Directory of Open Access Journals (Sweden)

    Abdul Wahid Khan, Zia Ud Din, Abdul Salam

    2002-07-01

    Full Text Available A case of Kleine Levin Syndrome is presented. Episodic course with spontaneous remission of eachepisode and characteristic features of hypersomnia, hyperphagia, disinhibited behavior. affective featureslike ilTitability and cognitive disturbance made the diagnosis of Kleine Levin syndrome 111 ourpatient.

  1. Klein (CSW16)

    CSIR Research Space (South Africa)

    De Decker, HP

    1989-10-01

    Full Text Available This report provides historical overview on river catchment, ecology, biotic and abiotic characteristics and available information on the Klein estuary. Kleinriviersvlei is popularly known as "Hermanus Lagoon". In some of the accounts...

  2. Marie Curie

    National Research Council Canada - National Science Library

    Serna M., Edgar

    2011-01-01

    Maria Sklodowska--Marie Curie--fue pionera en la ciencia de la radiactividad; es mejor conocida como la descubridora de los elementos radiactivos polonio y radio, y como el primer cientifico en ganar dos premios Nobel: Fisica y Quimica...

  3. Erna and Melanie Klein.

    Science.gov (United States)

    Tabak de Bianchedi, Elizabeth; Etchegoyen, R Horacio; Ungar de Moreno, Virginia; Nemas de Urman, Clara; Zysman, Samuel

    2003-12-01

    Erna was one of the child patients treated by Melanie Klein in Berlin, employing her recently discovered play technique. Since Erna died in Chile, the authors considered the IPA Congress in Santiago an opportunity to present a paper as a homage both to Erna and, especially, to Klein. She learned much from that very disturbed child, which she later used to sustain the ongoing development of her theories. The paper explores biographic data relevant to understanding both the case and the theories. It analyses the case material to follow Klein in the discovery and the handling of the child's transference and the harsh expressions of hate, jealousy and envy, which are brought in, with sad consequences, by strong persecutory feelings. Klein's comparison of this case with that of Freud's Wolf-man is also considered, mostly to show that the similarities were less than originally claimed, and that Klein, perhaps, was introducing a theoretic shift which led her technique to gradually change from 'Nachträglichkeit' to the 'signification-resignification' pair, akin to Strachey's concept of the mutative interpretation. Lastly, the comprehension of Erna's strong psychotic traits and the links with later developments of the theory on psychosis are studied.

  4. Winnicott's response to Klein.

    Science.gov (United States)

    Ehrlich, Robert

    2004-04-01

    The author suggests that, although Donald Winnicott presented some important criticisms of Melanie Klein's work, at times he tried to advance his perspectives too definitively without adequately considering her own. Because of this, he failed to acknowledge sufficiently that he was offering a model of human nature and development that could be revised. The fact that his differences with Klein arose in the context of a complex relationship in which each played numerous roles for the other, especially in the context of their affiliation with the British Psychoanalytical Society, periodically made it difficult for him to present his ideas more carefully and in his more characteristically open manner.

  5. Klein-Gordon oscillator in Kaluza-Klein theory

    Science.gov (United States)

    Carvalho, Josevi; Carvalho, Alexandre M. de M.; Cavalcante, Everton; Furtado, Claudio

    2016-07-01

    In this contribution we study the Klein-Gordon oscillator on the curved background within the Kaluza-Klein theory. The problem of the interaction between particles coupled harmonically with topological defects in Kaluza-Klein theory is studied. We consider a series of topological defects, then we treat the Klein-Gordon oscillator coupled to this background, and we find the energy levels and corresponding eigenfunctions in these cases. We show that the energy levels depend on the global parameters characterizing these spacetimes. We also investigate a quantum particle described by the Klein-Gordon oscillator interacting with a cosmic dislocation in Som-Raychaudhuri spacetime in the presence of homogeneous magnetic field in a Kaluza-Klein theory. In this case, the energy spectrum is determined, and we observe that these energy levels represent themselves as the sum of the terms related with Aharonov-Bohm flux and of the parameter associated to the rotation of the spacetime.

  6. Quantum Kaluza-Klein Compactification

    OpenAIRE

    Sochichiu, C.

    1999-01-01

    Kaluza--Klein compactification in quantum field theory is analysed from the perturbation theory viewpoint. Renormalisation group analysis for compactification size dependence of the coupling constant is proposed.

  7. Reisikirjanik ja esimene eurooplane Eduard Vilde / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari, 1979-

    2013-01-01

    Tallinna Eduard Vilde muuseumi juhataja Kairi Tilga annab välja raamatu „Tossutäkuga Euroopasse”, mis koondab esmakordselt ühtede kaante vahele kõik Vilde reisid ja reisikirjad ning näitab teda täiesti uue nurga alt

  8. Reisikirjanik ja esimene eurooplane Eduard Vilde / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari, 1979-

    2013-01-01

    Tallinna Eduard Vilde muuseumi juhataja Kairi Tilga annab välja raamatu „Tossutäkuga Euroopasse”, mis koondab esmakordselt ühtede kaante vahele kõik Vilde reisid ja reisikirjad ning näitab teda täiesti uue nurga alt

  9. Carmen Kass õnnelik ja Aasta modell / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari

    2000-01-01

    Eesti Aasta modelliks valiti Carmen Kass. Aasta Disainer - Tiina Talumees ; Aasta Noor Disainer - Aldo Järvsoo; Eesti Stiilseim Naine - Elle Kull; Eesti Stiilseim Mees - Mart Sander; Trenditeadlikum Mees - Hannes Võrno; Trenditeadlikum Naine - Eda-Ines Etti

  10. Rahvusraamatukogu näitab tillukesi raamatuid / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari

    2008-01-01

    RR-i kuuendal korrusel avati eile miniatuurraamatute näitus "Trükikunsti aardeid kirjastustelt Miniaturbuchverlag Leipzig ja Hyperion-Verlag". Näitusel on eksponeeritud ka Saksamaal elava eesti kunstniku Harri Jürgensi graafika

  11. Honour and departure Wim Klein

    CERN Multimedia

    Van Hove,L

    1976-01-01

    L.Van Hove rend hommage à Wim Klein qui a été découvert par le Prof.Bakker vers 1958 en Hollande où Wim Klein était artiste en divertissant le public par ses extraordinaires dons mathématiques.

  12. [Jan Kusberg, Kleine Geschichte St. Petersburgs. (Regensburg, 2009) ; Ingrid Bohn. Kleine Geschichte Stockholms. (Regensburg, 2008) ; Konrad Dittrich. Kleine Lübecker Stadtgeschichte. (Regensburg, 2007)] / Dennis Hortmuth

    Index Scriptorium Estoniae

    Hormuth, Dennis

    2011-01-01

    Arvustus: Jan Kusberg, Kleine Geschichte St. Petersburgs. (Regensburg, 2009) ; Ingrid Bohn. Kleine Geschichte Stockholms. (Regensburg, 2008) ; Konrad Dittrich. Kleine Lübecker Stadtgeschichte. (Regensburg, 2007)

  13. [Jan Kusberg, Kleine Geschichte St. Petersburgs. (Regensburg, 2009) ; Ingrid Bohn. Kleine Geschichte Stockholms. (Regensburg, 2008) ; Konrad Dittrich. Kleine Lübecker Stadtgeschichte. (Regensburg, 2007)] / Dennis Hortmuth

    Index Scriptorium Estoniae

    Hormuth, Dennis

    2011-01-01

    Arvustus: Jan Kusberg, Kleine Geschichte St. Petersburgs. (Regensburg, 2009) ; Ingrid Bohn. Kleine Geschichte Stockholms. (Regensburg, 2008) ; Konrad Dittrich. Kleine Lübecker Stadtgeschichte. (Regensburg, 2007)

  14. Obituary: Michael John Klein, 1940-2005

    Science.gov (United States)

    Gulkis, Samuel

    2006-12-01

    Michael John Klein died on 14 May 2005 at home in South Pasadena, California. The cause of death was tongue cancer that metastasized to the lungs. He was a non-smoker. Mike was a passionate radio astronomer, a trusted astronomical observer, an educator and a family man. Mike was born on 19 January 1940 in Ames, Iowa, the son of Florence Marie (Graf) and Fred Michael Klein. His mother was a homemaker, and his father was a banker. Mike had two older sisters, Lois Jean (Klein) Flauher and Marilyn June (Klein) Griffin. In 1962, Mike married his high school sweetheart Barbara Dahlberg, who survives him along with their three children, Kristin Marie (Klein) Shields, Michael John Klein Jr., Timothy Joel Klein, and six grandchildren. Mike developed a love for astronomy early in his life, and credited an early morning, newspaper-delivery route that he had at age twelve, which took him outside well before sunrise. He told family members that as he walked along his route, he stared into the sky and wondered what everything was. He studied sky charts, located stars, and began to understand how the planets shifted their positions relative to the stars each day. Another big influence in Mike's life was his brother in-law, Jim Griffin. Jim helped Mike understand that his passion for science did not have to remain a hobby, but could and should become a career. Jim's encouragement led Mike to attend Iowa State University in Ames, where he earned a BS in electrical engineering in 1962. Mike then started graduate school in electrical engineering at Michigan State, but after one semester transferred to the University of Michigan, Ann Arbor, where he earned an MS (1966) and PhD (1968) in astronomy. His doctoral dissertation, under the direction of Professor Fred Haddock, was based on extensive observations of the planets and examined the physical and thermal properties of planetary atmospheres and surfaces. Mike was awarded a Resident Research Associate position at JPL by the National

  15. MARIE CURIE

    Directory of Open Access Journals (Sweden)

    EDGAR SERNA MONTOYA

    2011-12-01

    Full Text Available María Sklodowska ‒Marie Curie‒ fue pionera en la ciencia de la radiactividad; es mejor conocida como la descubridora de los elementos radiactivos polonio y radio, y como el primer científico en ganar dos premios Nobel: Física y Química. Para sus colegas y el público en general, el radio fue la clave para un cambio fundamental en nuestra comprensión de la materia y la energía. Su trabajo no sólo influyó en el desarrollo de la ciencia fundamental, sino que también marcó el comienzo de una nueva era en la investigación y los tratamientos médicos.

  16. Simplicity of extremal eigenvalues of the Klein-Gordon equation

    CERN Document Server

    Koppen, Mario; Winklmeier, Monika

    2010-01-01

    We consider the spectral problem associated with the Klein-Gordon equation for unbounded electric potentials. If the spectrum of this problem is contained in two disjoint real intervals and the two inner boundary points are eigenvalues, we show that these extremal eigenvalues are simple and possess strictly positive eigenfunctions. Examples of electric potentials satisfying these assumptions are given.

  17. Kleine Bücher

    Directory of Open Access Journals (Sweden)

    Christian Schreger

    2013-06-01

    Full Text Available Jeder Lehrer, jede Lehrerin klammert schließlich irgendwann Erzeugnisse der Schüler oder Schülerinnen zu einem Heft zusammen – und was mehrere Seiten hat, wird gerne „Buch“ genannt, ein Kopiergerät steht in jedem Büro und Computerdrucker gäbe es in jeder Klasse. Tatsächlich ist in den meisten Fällen eher die Herrschaft über das Heftgerät bestimmend, der die Kontrolle über den Inhalt der zu heftenden Blätter vorausgeht. Was dann oft mit dem Beisatz „Das ist ja schon fast ein Kunstwerk!“ geziert wird, stellt meist ein unterrichtskonformes Produkt dar, dessen Individualität leider oft nur den Grad der Angepasstheit des jeweiligen Kindes spiegelt und damit seine Tauglichkeit für ein Unterrichtssystem, in dem Nachplappern und Nachexerzieren zu den wichtigsten Tugenden zählt. Derartig angepasste und eventuell mit technischem Know-How aufgehübschte Erzeugnisse waren nie das Ziel des Projekts „Kleine Bücher“.In der Freinet-Pädagogik gehören das Produzieren und Veröffentlichen von eigenen Texten zu den wichtigen Bestandteilen schulischer Aktivität. Beides ist sehr viel mehr als ein kleiner Schritt im geschützten Raum, denn dabei geht es um Mut und Entscheidung, um Ausdauer und Gewissenhaftigkeit sowie manchmal auch nur um den verblüffenden „großen Wurf“, der eine Situation oder Geschichte blitzlichtartig so treffend festhält, dass man sprachlos davor stehen bleibt, um zu staunen - wenn man denn bereit ist, sich darauf einzulassen.

  18. The Oskar Klein Memorial Lectures

    CERN Document Server

    1991-01-01

    The Oskar Klein Memorial Lectures, instituted in 1988 and supported by the Royal Swedish Academy of Sciences through its Nobel Committee for Physics, are given at Stockholm University in Sweden, where Oskar Klein was professor in Theoretical Physics 1930-1962.Volume 1 contains the 1988 lectures on "Symmetry and Physics" and "From the Bethe-Hulthén Hypothesis to the Yang-Baxter Equation," given by C N Yang, Nobel Prize winner (1957) and professor at the State University of New York at Stony Brook. The 1989 lectures on "Beyond the Standard Models," referring to models for cosmology and elementar

  19. Kaks Mari Vaalas / Eha Komissarov

    Index Scriptorium Estoniae

    Komissarov, Eha, 1947-

    1999-01-01

    9. nov.-st galeriis 'Vaal' Mari Roosvaldi maalinäitus 'Persoon'; 10. nov.-st galerii keldrisaalis Mari Kurismaa 'Matemaatika ja metafüüsika'. Mari Roosvaldi kollaazhides on ühendatud maal ja foto.

  20. Kaks Mari Vaalas / Eha Komissarov

    Index Scriptorium Estoniae

    Komissarov, Eha, 1947-

    1999-01-01

    9. nov.-st galeriis 'Vaal' Mari Roosvaldi maalinäitus 'Persoon'; 10. nov.-st galerii keldrisaalis Mari Kurismaa 'Matemaatika ja metafüüsika'. Mari Roosvaldi kollaazhides on ühendatud maal ja foto.

  1. Electroweak Kaluza-Klein Dark Matter

    OpenAIRE

    Flacke, Thomas; Kang, Dong Woo; Kong, Kyoungchul; Mohlabeng, Gopolang; Park, Seong Chan

    2017-01-01

    In models with universal extra dimensions (UED), the lightest Kaluza-Klein excitation of neutral electroweak gauge bosons is a stable, weakly interacting massive particle and thus is a candidate for dark matter thanks to Kaluza-Klein parity. We examine concrete model realizations of such dark matter in the context of non-minimal UED extensions. The boundary localized kinetic terms for the electroweak gauge bosons lead to a non-trivial mixing among the first Kaluza-Klein excitations of the ${\\...

  2. Generalized Klein-Nishina formula

    CERN Document Server

    Krajewska, K; Kamiński, J Z

    2015-01-01

    The generalized Klein-Nishina formula for Compton scattering of charged particles by a finite train of pulses is derived in the framework of quantum electrodynamics. The formula also applies to classical Thomson scattering provided that frequencies of generated radiation are smaller that the cut-off frequency. The validity of the formula for incident pulses of different durations is illustrated by numerical examples. The positions of the well-resolved Compton peaks, with the clear labeling by integer orders, opens up the possibility of the precise diagnostics of properties of relativistically intense, short laser pulses. This includes their peak intensity, the carrier-envelope phase, and their polarization properties.

  3. The massive Kaluza-Klein monopole

    NARCIS (Netherlands)

    Bergshoeff, E; Eyras, E; Lozano, Y

    1998-01-01

    We construct the (bosonic) effective worldvolume action of an M-theory Kaluza-Klein monopole in a background given by the bosonic sector of eleven-dimensional massive supergravity, i.e, a "massive Kaluza-Klein monopole". As a consistency check we show that the direct dimensional reduction along the

  4. Klein Topological Field Theories from Group Representations

    Directory of Open Access Journals (Sweden)

    Sergey A. Loktev

    2011-07-01

    Full Text Available We show that any complex (respectively real representation of finite group naturally generates a open-closed (respectively Klein topological field theory over complex numbers. We relate the 1-point correlator for the projective plane in this theory with the Frobenius-Schur indicator on the representation. We relate any complex simple Klein TFT to a real division ring.

  5. Extended Klein edges in graphene.

    Science.gov (United States)

    He, Kuang; Robertson, Alex W; Lee, Sungwoo; Yoon, Euijoon; Lee, Gun-Do; Warner, Jamie H

    2014-12-23

    Graphene has three experimentally confirmed periodic edge terminations, zigzag, reconstructed 5-7, and arm-chair. Theory predicts a fourth periodic edge of graphene called the extended Klein (EK) edge, which consists of a series of single C atoms protruding from a zigzag edge. Here, we confirm the existence of EK edges in both graphene nanoribbons and on the edge of bulk graphene using atomic resolution imaging by aberration-corrected transmission electron microscopy. The formation of the EK edge stems from sputtering and reconstruction of the zigzag edge. Density functional theory reveals minimal energy for EK edge reconstruction and bond distortion both in and out of plane, supporting our TEM observations. The EK edge can now be included as the fourth member of observed periodic edge structures in graphene.

  6. Calvin Klein Underwear新推STEEL系列

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Calvin Klein Underwear--向以时尚、性感及细致见称,深受潮流人士爱戴。今年为庆祝Calvin Klein Underwear创立25周年,品牌将于秋季推出全新STEEL系列。为隆重其事.更诚邀被两度提名奥斯卡金像奖最佳男配角的知名演员DJimon Hounsou狄哲文为Calvin Klein Underwear Steel全球广告形象代言。

  7. Kleine-Levin syndrome: a review

    Directory of Open Access Journals (Sweden)

    Guilleminault C

    2014-01-01

    Full Text Available Mitchell G Miglis, Christian Guilleminault Stanford University Sleep Medicine Division, Stanford Outpatient Medical Center, Redwood City, CA, USA Abstract: Kleine-Levin syndrome is a recurrent hypersomnia associated with symptoms of hyperphagia, hypersexuality, and cognitive impairment. This article reviews the current available research and describes common clinical symptoms, differential diagnosis, and acceptable workup and treatment. Although deficits have traditionally been thought to resolve between episodes, functional imaging studies and long-term neuropsychological testing in select patients have recently challenged this notion. This may suggest that Kleine-Levin syndrome is not as benign as previously considered. Keywords: Kleine-Levin syndrome, hypersomnia, adolescent sleep disorder, hypersexuality

  8. Oskar Klein and the fifth dimension

    CERN Document Server

    Ravndal, Finn

    2013-01-01

    After a short biographical summary of the scientific life of Oskar Klein, a more detailed and hopefully didactic presentation of his derivation of the relativistic Klein-Gordon wave equation is given. It was a result coming out of his unification of electromagnetism and gravitation based on Einstein's general theory of relativity in a five-dimensional spacetime. This idea had previously been explored by Kaluza, but Klein made it more acceptable by suggesting that the extra dimension could be compactified and therefore remain unobservable when it is small enough.

  9. Avangardistid Moskvas / Mari Sobolev

    Index Scriptorium Estoniae

    Sobolev, Mari, 1968-

    2000-01-01

    Valdek Alberi ja Taave Tuutma videoinstallatsioonist "Think different" näitusel "Salon 2000" Moskva Kunstnike Keskmajas 16.-26. III. Kuraator Mari Sobolev. Eesti väljapaneku vastukajast ja Jüri Arrakust, kelle maalid olid näitusel "Balti meistrid", ajalehes "Kommersant". Moskva kunstinäitustest.

  10. Avangardistid Moskvas / Mari Sobolev

    Index Scriptorium Estoniae

    Sobolev, Mari, 1968-

    2000-01-01

    Valdek Alberi ja Taave Tuutma videoinstallatsioonist "Think different" näitusel "Salon 2000" Moskva Kunstnike Keskmajas 16.-26. III. Kuraator Mari Sobolev. Eesti väljapaneku vastukajast ja Jüri Arrakust, kelle maalid olid näitusel "Balti meistrid", ajalehes "Kommersant". Moskva kunstinäitustest.

  11. MARI mini-manual

    Science.gov (United States)

    Bennington, S. M.; Eccleston, R. S.

    1994-09-01

    The MARI spectrometer is funded by the Japanese Ministry of Education, Culture and Science (Monbusho) as part of the UK-Japan collaboration in neutron scattering. MARI is a direct geometry chopper spectrometer. It uses a Fermi chopper to monochromatic the incident neutron beam to give incident energies in the range 10 to 2000 meV. It is very similar in design to its sister machine HET, but with a detector bank that continuously covers the angular range from 3 to 135 degrees, MARI is able to map large regions of Q-E space in a single measurement. At present about 600 of the full complement of 1000 detectors are installed. All are 10 bar (3)He gas proportional counters and all come from the same manufacturer, this means that their efficiency and background are almost the same. The beam size at the sample position is 50 by 50 mm, but motorized jaws in the Fermi chopper pit and in the sample tank can be used to reduce this size. Chapter headings are the following: Introduction; The hardware on MARI; Controlling the Instrument; Data Analysis and Visualization; Appendices.

  12. Klassika & ekskremendid / Mari Sobolev

    Index Scriptorium Estoniae

    Sobolev, Mari, 1968-

    2002-01-01

    20.-21. aprillil toimus Pärnus 8. Fideo- ja Vilmifestival alapealkirjaga "Eksperimendid ja klassika". Peakorraldaja Rael Artel. Rami Raski filmist "Legowitz 1999" (soome rühmitus Vivid), läti filmist "Love, death & television", Concordia ülikooli ("Ülemus") ja Academia Grata (portreefilmid Asta Isakist, Andrus Joonasest jm.) programmist, Kadriann Kibuse ja Liina Paakspuu filmist "Urban Obsessions", Mirja-Mari Smidti ja Allan Tõnissoo videost, Marianne Männi koomiksitest kataloogis

  13. Klassika & ekskremendid / Mari Sobolev

    Index Scriptorium Estoniae

    Sobolev, Mari, 1968-

    2002-01-01

    20.-21. aprillil toimus Pärnus 8. Fideo- ja Vilmifestival alapealkirjaga "Eksperimendid ja klassika". Peakorraldaja Rael Artel. Rami Raski filmist "Legowitz 1999" (soome rühmitus Vivid), läti filmist "Love, death & television", Concordia ülikooli ("Ülemus") ja Academia Grata (portreefilmid Asta Isakist, Andrus Joonasest jm.) programmist, Kadriann Kibuse ja Liina Paakspuu filmist "Urban Obsessions", Mirja-Mari Smidti ja Allan Tõnissoo videost, Marianne Männi koomiksitest kataloogis

  14. Hyperellipticity and Systoles of Klein Surfaces

    CERN Document Server

    Katz, Mikhail G

    2012-01-01

    Given a hyperelliptic Klein surface, we construct companion Klein bottles, extending our technique of companion tori already exploited by the authors in the genus 2 case. Bavard's short loops on such companion surfaces are studied in relation to the original surface so to improve a systolic inequality of Gromov's. A basic idea is to use length bounds for loops on a companion Klein bottle, and then analyze how curves transplant to the original nonorientable surface. We exploit the real structure on the orientable double cover by applying the coarea inequality to the distance function from the real locus. Of particular interest is the case of Dyck's surface. We also exploit an optimal systolic bound for the M\\"obius band, due to Blatter.

  15. Phases of Kaluza-Klein black holes

    DEFF Research Database (Denmark)

    Elvang, Henriette; Obers, Niels; Harmark, Troels

    2004-01-01

    We review the latest progress in understanding the phase structure of static and neutral Kaluza-Klein black holes, i.e. static and neutral solutions of pure gravity with an event horizon and with asymptotics Md × S1, Md being d-dimensional Minkowski space.......We review the latest progress in understanding the phase structure of static and neutral Kaluza-Klein black holes, i.e. static and neutral solutions of pure gravity with an event horizon and with asymptotics Md × S1, Md being d-dimensional Minkowski space....

  16. Phases of Kaluza-Klein black holes

    DEFF Research Database (Denmark)

    Elvang, Henriette; Obers, Niels; Harmark, Troels

    2004-01-01

    We review the latest progress in understanding the phase structure of static and neutral Kaluza-Klein black holes, i.e. static and neutral solutions of pure gravity with an event horizon and with asymptotics Md × S1, Md being d-dimensional Minkowski space.......We review the latest progress in understanding the phase structure of static and neutral Kaluza-Klein black holes, i.e. static and neutral solutions of pure gravity with an event horizon and with asymptotics Md × S1, Md being d-dimensional Minkowski space....

  17. Melanie Klein on mourning: Its relation to pastoral care.

    Science.gov (United States)

    Hart, C W

    1991-09-01

    This paper connects the work of Melanie Klein on mourning to the pastor's work with the grief sufferer. Klein holds that mourning is an illness of manic depressive character rooted in infantile development. Klein's description of manic defenses in the face of loss has adult behavioral analogues with which the pastor must deal to bring mourning to resolution.

  18. Robert Bresson, Mariano Barroso, Paskaljevich, Mary Harron, David Trueba, Lars von Trier, Liv Ullmann, Zhang Yimou

    OpenAIRE

    La madriguera

    2000-01-01

    La madriguera (2000). Robert Bresson, Mariano Barroso, Paskaljevich, Mary Harron, David Trueba, Lars von Trier, Liv Ullmann, Zhang Yimou. Ediciones de intervención cultural S.L. http://hdl.handle.net/10251/41911. 80 80 33

  19. A Krein Quantization Approach to Klein Paradox

    CERN Document Server

    Payandeh, Farrin; Fathi, Mohsen; Moghaddam, Zahra Gh

    2013-01-01

    In this paper we first introduce the famous Klein paradox. Afterwards by proposing the Krein quantization approach and taking the negative modes into account, we will show that the expected and exact current densities, could be achieved without confronting any paradox.

  20. Kleine bijenkastkever aangetroffen in Italië

    NARCIS (Netherlands)

    Cornelissen, B.; Pelgrim, W.

    2014-01-01

    Voor de tweede keer in 10 jaar heeft de kleine bijenkastkever (Aethina tumida) voet aan de grond gekregen in Europa. Een eerste uitbraak in Portugal in 2004 werd snel ingedamd, maar een nieuwe uitbraak in het zuiden van Italië lijkt van permanente aard.

  1. Electroweak Kaluza-Klein Dark Matter

    Energy Technology Data Exchange (ETDEWEB)

    Flacke, Thomas [IBS, Daejeon; Kang, Dong Woo [Sungkyunkwan U.; Kong, Kyoungchul [Pittsburgh U.; Mohlabeng, Gopolang [U. Kansas, Lawrence; Park, Seong Chan [Korea Inst. Advanced Study, Seoul

    2017-02-09

    In models with universal extra dimensions (UED), the lightest Kaluza-Klein excitation of neutral electroweak gauge bosons is a stable, weakly interacting massive particle and thus is a candidate for dark matter thanks to Kaluza-Klein parity. We examine concrete model realizations of such dark matter in the context of non-minimal UED extensions. The boundary localized kinetic terms for the electroweak gauge bosons lead to a non-trivial mixing among the first Kaluza-Klein excitations of the ${\\rm SU}(2)_W$ and ${\\rm U}(1)_Y$ gauge bosons and the resultant low energy phenomenology is rich. We investigate implications of various experiments including low energy electroweak precision measurements, direct and indirect detection of dark matter particles and direct collider searches at the LHC. Notably, we show that the electroweak Kaluza-Klein dark matter can be as heavy as 2.4 TeV, which is significantly higher than $1.3$ TeV as is indicated as an upper bound in the minimal UED model.

  2. Kleine-Levin syndrome: a review

    OpenAIRE

    Guilleminault C; Miglis MG

    2014-01-01

    Mitchell G Miglis, Christian Guilleminault Stanford University Sleep Medicine Division, Stanford Outpatient Medical Center, Redwood City, CA, USA Abstract: Kleine-Levin syndrome is a recurrent hypersomnia associated with symptoms of hyperphagia, hypersexuality, and cognitive impairment. This article reviews the current available research and describes common clinical symptoms, differential diagnosis, and acceptable workup and treatment. Although deficits have traditionally been thought to re...

  3. AN ELECTRICAL HAIL MARY.

    Science.gov (United States)

    Neubert, David

    2016-05-01

    Double sequential defibrillation is currently being employed in a number of EMS systems across the United States, including Wake County, N.C.; Fort Worth, Texas; and New Orleans. Even though there isn't a large body of literature surrounding this technique, it's been demonstrated successful in the electrophysiology lab, ED and prehospital settings. Since access to procainamide--another treatment for refractory v fib--is limited, this may be the only available option when faced with a patient who's failed standard ACLS defibrillation and medication administration. It's an intervention that has little chance to do harm, and it may represent the "hail Mary" pass to a successful ROSC touchdown.

  4. Mary, dogma, and psychoanalysis.

    Science.gov (United States)

    Todd, E H

    1985-06-01

    Why does Mary hold her prominent place in Catholic theology to the extent that five specific dogmas have developed around her? Psychoanalytic theory suggests dogma arises out of the psychic needs of people and psychic needs of people are expressed in dogma. The early views of Erich Fromm, a disciple of Freud, are presented to demonstrate that Marian dogma arose from the psychic needs of the people. The views of both Catholic and Protestant thinkers are presented, as well as theological and psychiatric views.

  5. On the Stability of Squashed Kaluza-Klein Black Holes

    OpenAIRE

    Kimura, Masashi; Murata, Keiju; Ishihara, Hideki; Soda, Jiro

    2007-01-01

    The stability of squashed Kaluza-Klein black holes is studied. The squashed Kaluza-Klein black hole looks like five dimensional black hole in the vicinity of horizon and four dimensional Minkowski spacetime with a circle at infinity. In this sense, squashed Kaluza-Klein black holes can be regarded as black holes in the Kaluza-Klein spacetimes. Using the symmetry of squashed Kaluza-Klein black holes, $SU(2)\\times U(1)\\simeq U(2)$, we obtain master equations for a part of the metric perturbatio...

  6. On Source of Mary's Tragedy

    Institute of Scientific and Technical Information of China (English)

    胡杰

    2016-01-01

    Long Day's Journey into Night is a great work of American dramatist Eugene O'Neill. As the only female protagonist fully portrayed in the play, Mary's tragedy generated a hot debate. In this thesis, through detailed analysis, it is found that Mary is the victim of male-dominated society and men are the source of her tragedy.

  7. Topology change from Kaluza-Klein dimensions

    CERN Document Server

    Ionicioiu, R

    1997-01-01

    In this letter we show that in a Kaluza-Klein framework we can have arbitrary topology change between the macroscopic (i.e. noncompactified) spacelike 3-hypersurfaces. This is achieved by using the compactified dimensions as a catalyser for topology change. In the case of odd-dimensional spacetimes (such as the 11-dimensional M-theory) this is always possible. In the even-dimensional case, a sufficient condition is the existence of a closed, odd-dimensional manifold as a factor (such as S^1, S^3) in the Kaluza-Klein sector. Since one of the most common manifolds used for compactification is the torus T^k = S^1 \\times ... \\times S^1, in this case we can again induce an arbitrary topology change on the 3-hypersurfaces.

  8. Phases of Kaluza-Klein Black Holes

    DEFF Research Database (Denmark)

    Harmark, Troels; Obers, N. A.

    2005-01-01

    We review the latest progress in understanding the phase structure of static and neutral Kaluza-Klein black holes, i.e. static and neutral solutions of pure gravity with an event horizon that asymptote to a d-dimensional Minkowski-space times a circle. We start by reviewing the (mu,n) phase diagram...... and the split-up of the phase structure into solutions with an internal SO(d-1) symmetry and solutions with Kaluza-Klein bubbles. We then discuss the uniform black string, non-uniform black string and localized black hole phases, and how those three phases are connected, involving issues such as classical...... instability and horizon-topology changing transitions. Finally, we review the bubble-black hole sequences, their place in the phase structure and interesting aspects such as the continuously infinite non-uniqueness of solutions for a given mass and relative tension....

  9. On q-n-gonal Klein Surfaces

    Institute of Scientific and Technical Information of China (English)

    B. ESTRADA; R. A. HIDALGO; E.MARTINEZ

    2007-01-01

    We consider proper Klein surfaces X of algebraic genus p≥2, having an automorphismφ of prime order n with quotient space X/〈φ〉 of algebraic genus q. These Klein surfaces axe calledq-n-gonal surfaces and they axe n-sheeted covers of surfaces of algebraic genus q. In this paper weextend the results of the already studied cases n ≤3 to this more general situation. Given p≥2, weobtain, for each prime n, the (admissible) values q for which there exists a q-n-gonal surface of algebraicgenus p. Furthermore, for each p and for each admissible q, it is possible to check all topological typesof q-n-gonal surfaces with algebraic genus p. Several examples are given: q-pentagonal surfaces andq-n-gonal bordered surfaces with topological genus g = 0,1.

  10. Klein, Ferenczi and the clinical diary.

    Science.gov (United States)

    Hernandez-Halton, Isabel

    2015-03-01

    The aim of this article is to revisit Ferenczi's Clinical Diary (1932) to investigate the influence he had on Melanie Klein's work. It starts from the position that insufficient recognition has been given to Ferenczi's contribution to Klein's body of work and her professional development. Her analysis with Ferenczi lasted 5 years, a relatively long analysis for the period. It explores his influence in three specific areas: the importance of raw and early emotion in the maternal bond, the importance of freedom and authenticity in the analytic relationship, and finally the use of transference and countertransference feelings. Ferenczi's ill-fated experiment with mutual analysis will be discussed as it opened up a route to explore the analytic relationship, with important consequences for the future development of psychoanalysis.

  11. Robotic Software Integration Using MARIE

    Directory of Open Access Journals (Sweden)

    Dominic Letourneau Clement Raievsky

    2008-11-01

    Full Text Available This paper presents MARIE, a middleware framework oriented towards developing and integrating new and existing software for robotic systems. By using a generic communication framework, MARIE aims to create a flexible distributed component system that allows robotics developers to share software programs and algorithms, and design prototypes rapidly based on their own integration needs. The use of MARIE is illustrated with the design of a socially interactive autonomous mobile robot platform capable of map building, localization, navigation, tasks scheduling, sound source localization, tracking and separation, speech recognition and generation, visual tracking, message reading and graphical interaction using a touch screen interface.

  12. Robotic Software Integration Using MARIE

    Directory of Open Access Journals (Sweden)

    Carle Côté

    2006-03-01

    Full Text Available This paper presents MARIE, a middleware framework oriented towards developing and integrating new and existing software for robotic systems. By using a generic communication framework, MARIE aims to create a flexible distributed component system that allows robotics developers to share software programs and algorithms, and design prototypes rapidly based on their own integration needs. The use of MARIE is illustrated with the design of a socially interactive autonomous mobile robot platform capable of map building, localization, navigation, tasks scheduling, sound source localization, tracking and separation, speech recognition and generation, visual tracking, message reading and graphical interaction using a touch screen interface.

  13. Kaluza–Klein theory for teleparallel gravity

    Energy Technology Data Exchange (ETDEWEB)

    Geng, Chao-Qiang, E-mail: geng@phys.nthu.edu.tw [Chongqing University of Posts and Telecommunications, Chongqing, 400065 (China); Department of Physics, National Tsing Hua University, Hsinchu 300, Taiwan (China); Physics Division, National Center for Theoretical Sciences, Hsinchu 300, Taiwan (China); Lai, Chang, E-mail: laichang@cqupt.edu.cn [Chongqing University of Posts and Telecommunications, Chongqing, 400065 (China); Luo, Ling-Wei, E-mail: d9622508@oz.nthu.edu.tw [Department of Physics, National Tsing Hua University, Hsinchu 300, Taiwan (China); Tseng, Huan-Hsin, E-mail: d943335@oz.nthu.edu.tw [Department of Physics, National Tsing Hua University, Hsinchu 300, Taiwan (China)

    2014-10-07

    We study teleparallel gravity in the original Kaluza–Klein (KK) scenario. Our calculation of the KK reduction of teleparallel gravity indicates that the 5-dimensional torsion scalar {sup (5)}T generates the non-Brans–Dicke type effective Lagrangian in 4-dimension due to an additional coupling between the derivative of the scalar field and torsion, but the result is equivalent to that in general relativity. We also discuss the cosmological behavior in the FLRW universe based on the effective teleparallel gravity.

  14. Quarkonium spectroscopy by Klein-Gordon equation

    CERN Document Server

    Haghighat, M; Dadkhah, A

    2000-01-01

    A model is proposed to obtain the q q spectra by using a generalized Klein-Gordon equation for a two-body system. A variety of different potentials are coupled to the mass term of the generalized equation. The eigenvalues and the corresponding mass spectra are evaluated by using numerical and analytical methods. The resulting spectra match dosely with experimental data. The obtained values are also compared with those of models such as quasipotential equation (Q PE).

  15. Cosmological applications in Kaluza-Klein theory

    Institute of Scientific and Technical Information of China (English)

    M. I. Wanas; Gamal G. L. Nashed; A. A. Nowaya

    2012-01-01

    The field equations of Kaluza-Klein (KK) theory have been applied in the domain of cosmology.These equations are solved for a flat universe by taking the gravitational and the cosmological constants as a function of time t.We use Taylor's expansion of cosmological function,△(t),up to the first order of the time t.The cosmological parameters are calculated and some cosmological problems are discussed.

  16. Cosmological applications in Kaluza-Klein theory

    CERN Document Server

    Wanas, M I; Nowaya, A A

    2011-01-01

    The field equations of Kaluza-Klein (KK) theory have been applied in the domain of cosmology. These equations are solved for a flat universe by taking the gravitational and the cosmological constants as a function of time t. We use Taylor's expansion of cosmological function, $\\Lambda(t)$, up to the first order of the time $t$. The cosmological parameters are calculated and some cosmological problems are discussed.

  17. Klein-Gordon and Dirac gyroscopes

    Energy Technology Data Exchange (ETDEWEB)

    SadurnI, E [Instituto de Ciencias Fisicas, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos (Mexico)], E-mail: sadurni@fis.unam.mx

    2009-01-09

    The formulation of a rigid body in relativistic quantum mechanics is studied. Departing from an alternate approach at the relativistic classical level, the corresponding Klein-Gordon and Dirac operators for the rigid body are obtained in covariant form. The resulting wave equations are shown to be consistent, by construction, with earlier definitions of a relativistic rigid body by Aldinger et al (1983 Phys. Rev. D 28 3020). Wavefunctions and spectra for both cases are obtained explicitly, including the Dirac gyroscope with asymmetries.

  18. Klein Paradox in the Pilot Wave Interpretation

    OpenAIRE

    Dodaro, John F.

    2013-01-01

    The de Broglie-Bohm pilot wave interpretation of quantum mechanics is shown to provide a consistent explanation for a single relativistic particle (more accurately, a single particle process since pair production is addressed). This is accomplished by incorporating the Feynman-Stueckelberg interpretation of anti-matter. The lack of conserved probability and existence of negative energy solutions is studied through this interpretation. We discuss the resolution of Klein's original paradox thro...

  19. Victor Hugo, Marie Tudor

    OpenAIRE

    Sabourin, Lise

    2016-01-01

    Dans la collection de poche qui rend aisément accessibles les grandes pièces du répertoire français, Clélia Anfray donne, avec une introduction (pp. 7-42), une notice sur la genèse, la rédaction et la parution, un historique des représentations, une chronologie, des indications bibliographiques et des notes, le texte du drame consacré par Hugo à cette «reine qui soit une femme. Grande comme une reine, vraie comme une femme» qu’il veut voir en Marie Tudor («Préface», p. 47). La documentation h...

  20. Oliivipuude triloogia - mõnus suvine võrkkiige-lugemine / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari

    2007-01-01

    Tutvustus: Drinkwater, Carol. Oliiviistandus / tlk. Laine Hone. Tallinn : Varrak, 2004 ; Drinkwater, Carol. Oliivisaak / tlk. Eve-Reet Tammet. Tallinn : Varrak, 2997 ; Drinkwater, Carol. Oliivihooaeg / tlk. Lane Hone ja Karin Rita. Tallinn : Varrak, 2006

  1. Mati Hint - sünge keeleteadlane ja pessimistlik ühiskonnategelane / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari, 1979-

    2007-01-01

    11. septembril peeti Tallinna Ülikoolis seminari, mis oli pühendatud Mati Hindi 70. sünnipäevale. Ettekannetega esinesid ülikoolikaaslased, sõbrad ja kolleegid Rein Veidemann, Haldur Õim, Martin Ehala, Mats Traat, Tapani Lehtinen, Jaan Kaplinski

  2. Vene tüdruk saksa koolist - Eesti visiitkaart / Anastasija Minitš ; intervjueerinud Mari Klein

    Index Scriptorium Estoniae

    Minitš, Anastasija

    2015-01-01

    Intervjuu Tallinna Saksa Gümnaasiumi abituriendi Anastasia Minitšiga, kes möödunud aastal võitis Varssavis rahvusvahelise õpilaste saksakeelse väitluskonkursi ning tänavu Eestis Maxima talendikonkursi humanitaartalendi stipendiumi

  3. Mängukonkursi toredaim töö tuli Tondilt / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari, 1979-

    2015-01-01

    Goethe instituudi korraldatud koolilaste mängukonkursi võidutööks tunnistati Tondi põhikoolist saabunud üleelusuurune kassikuju, kelle saba ja vurrud õpetavad kassi kõhule kirjutatud riimitud teksti abil sõlme tegema, paelu siduma, patsi punuma või muul moel sõrmeosavust arendama

  4. Oliivipuude triloogia - mõnus suvine võrkkiige-lugemine / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari

    2007-01-01

    Tutvustus: Drinkwater, Carol. Oliiviistandus / tlk. Laine Hone. Tallinn : Varrak, 2004 ; Drinkwater, Carol. Oliivisaak / tlk. Eve-Reet Tammet. Tallinn : Varrak, 2997 ; Drinkwater, Carol. Oliivihooaeg / tlk. Lane Hone ja Karin Rita. Tallinn : Varrak, 2006

  5. Mati Hint - sünge keeleteadlane ja pessimistlik ühiskonnategelane / Mari Klein

    Index Scriptorium Estoniae

    Klein, Mari, 1979-

    2007-01-01

    11. septembril peeti Tallinna Ülikoolis seminari, mis oli pühendatud Mati Hindi 70. sünnipäevale. Ettekannetega esinesid ülikoolikaaslased, sõbrad ja kolleegid Rein Veidemann, Haldur Õim, Martin Ehala, Mats Traat, Tapani Lehtinen, Jaan Kaplinski

  6. Vene tüdruk saksa koolist - Eesti visiitkaart / Anastasija Minitš ; intervjueerinud Mari Klein

    Index Scriptorium Estoniae

    Minitš, Anastasija

    2015-01-01

    Intervjuu Tallinna Saksa Gümnaasiumi abituriendi Anastasia Minitšiga, kes möödunud aastal võitis Varssavis rahvusvahelise õpilaste saksakeelse väitluskonkursi ning tänavu Eestis Maxima talendikonkursi humanitaartalendi stipendiumi

  7. Primary mental expression: freud, klein, and beyond.

    Science.gov (United States)

    Robbins, Michael

    2008-03-01

    Freud formulated the primary process model, describing mental activity that creates the illusion of an actual experience in lieu of reflective thought, at the very start of his career. In this, his initial formulation of unconscious mental activity, he was attempting to account for the nature of dreaming, by inference for the mind of infancy and, more speculatively, for adult psychosis. He never revised the model in light of his later formulations of the structural model and the death instinct, nor did he elaborate on his speculation that it could serve as a model for psychosis, and there has been little subsequent effort to employ the model outside the context of dreaming. A small number of analysts, including Klein, Bion, and Matte-Blanco, have constructed theories of psychosis in idiosyncratic conceptual languages that seem to be describing phenomena similar to those from which Freud constructed his model. Although Klein's model of positions, which has become the most widely accepted theory of psychosis, is generally considered a fundamental departure from Freud, both accounts have remarkable similarity and both tend to confuse primary mental expression with mature thought and normal infancy with psychosis. Contributions by cognitive-developmental psychologists including Werner and Piaget suggest ways to clarify some of the confusion and to supplement and amplify Freud's and Klein's description of some of the salient features of primary mental expression. Findings from neuroimaging studies of dreaming and of schizophrenia support the proposition that primary mental activity is a qualitatively distinctive form of mental expression.

  8. Rotating cylindrically symmetric Kaluza-Klein fluid model

    Indian Academy of Sciences (India)

    Ramesh Tikekar; L K Patel

    2000-09-01

    Kaluza-Klein field equations for stationary cylindrically symmetric fluid models in standard Einstein theory are formulated and a set of physically viable solutions is reported. This set is believed to be the first such Kaluza-Klein solutions and it includes the Kaluza-Klein counterpart of Davidson’s solution describing spacetime of a perfect fluid in rigid rotation about a regular axis.

  9. Adrian Stokes and the portrait of Melanie Klein.

    Science.gov (United States)

    Sayers, Janet

    2015-08-01

    This paper focuses on the offer by the art writer Adrian Stokes to commission and pay for a portrait of the psychoanalyst Melanie Klein by the artist William Coldstream. It details some of the precursors of this offer in Stokes's preceding involvement first with Klein and then with Coldstream; her response to this offer; and its outcome and aftermath in Stokes's subsequent writing about Klein and Coldstream. Copyright © 2015 Institute of Psychoanalysis.

  10. Time-Periodic Einstein--Klein--Gordon Bifurcations of Kerr

    CERN Document Server

    Chodosh, Otis

    2015-01-01

    We construct one-parameter families of solutions to the Einstein--Klein--Gordon equations bifurcating off the Kerr solution such that the underlying family of spacetimes are each an asymptotically flat, stationary, axisymmetric, black hole spacetime, and such that the corresponding scalar fields are non-zero and time-periodic. An immediate corollary is that for these Klein--Gordon masses, the Kerr family is not asymptotically stable as a solution to the Einstein--Klein--Gordon equations.

  11. Klein geometries, parabolic geometries and differential equations of finite type

    CERN Document Server

    Abadoglu, Ender

    2009-01-01

    We define the infinitesimal and geometric orders of an effective Klein geometry G/H. Using these concepts, we prove i) For any integer m>1, there exists an effective Klein geometry G/H of infinitesimal order m such that G/H is a projective variety (Corollary 9). ii) An effective Klein geometry G/H of geometric order M defines a differential equation of order M+1 on G/H whose global solution space is G (Proposition 18).

  12. On some developments in the Nonsymmetric Kaluza-Klein Theory

    Energy Technology Data Exchange (ETDEWEB)

    Kalinowski, M.W. [Warsaw University, Faculty of Physics, Warsaw (Poland); Pracownia Bioinformatyki, Instytut Medycyny Doswiadczalnej i Klinicznej PAN, Warszawa (Poland)

    2014-03-15

    We consider a condition for charge confinement and gravito-electromagnetic wave solutions in nonsymmetric Kaluza-Klein theory. We consider also the influence of the cosmological constant on a static, spherically symmetric solution. We remind the reader of some fundamentals of nonsymmetric Kaluza-Klein theory and the geometrical background behind the theory. Simultaneously we make some remarks concerning a misunderstanding connected to several notions of Kaluza-Klein Theory, Einstein Unified Field Theory, geometrization and unification of physical interactions. We reconsider the Dirac field in nonsymmetric Kaluza-Klein theory. (orig.)

  13. On some developments in the Nonsymmetric Kaluza-Klein Theory

    CERN Document Server

    Kalinowski, M W

    2014-01-01

    We consider a condition for a charge confinement and gravito-electromagnetic wave solutions in the Nonsymmetric Kaluza-Klein Theory.We consider also an influence of a cosmological constant on a static,spherically symmetric solution.We remind to the reader some fudamentals of the Nonsymmetric Kaluza-Klein Theory and a geometrcal background behind the theory.Simultaneously we give some remarks concerning misunderstanding connected to several notions of the Nonsymmetric Kaluza-Klein Theory,Einstein Unified Field Theory,geometrization and unification of physical interactions .We reconsider Dirac field in the Nonsymmetric Kaluza-Klein Theory.

  14. Klein-Gordon oscillators in noncommutative phase space

    Institute of Scientific and Technical Information of China (English)

    WANG Jian-Hua; LI Kang; Dulat Sayipjamal

    2008-01-01

    We study the Klein-Gordon oscillators in non-commutative (NC) phase space.We find that the Klein-Gordon oscillators in NC space and NC phase-space have a similar behaviour to the dynamics of a particle in commutative space moving in a uniform magnetic field.By solving the Klein-Gordon equation in NC phase space,we obtain the energy levels of the Klein-Gordon oscillators,where the additional terms related to the space-space and momentum-momentum non-commutativity are given explicitly.

  15. Kaluza–Klein theory for teleparallel gravity

    Directory of Open Access Journals (Sweden)

    Chao-Qiang Geng

    2014-10-01

    Full Text Available We study teleparallel gravity in the original Kaluza–Klein (KK scenario. Our calculation of the KK reduction of teleparallel gravity indicates that the 5-dimensional torsion scalar T(5 generates the non-Brans–Dicke type effective Lagrangian in 4-dimension due to an additional coupling between the derivative of the scalar field and torsion, but the result is equivalent to that in general relativity. We also discuss the cosmological behavior in the FLRW universe based on the effective teleparallel gravity.

  16. Kaluza-Klein theory for teleparallel gravity

    CERN Document Server

    Geng, Chao-Qiang; Luo, Ling-Wei; Tseng, Huan-Hsin

    2014-01-01

    We study teleparallel gravity in the \\emph{original} Kaluza-Klein (KK) scenario. Our calculation of the KK reduction of teleparallel gravity indicates that the 5-dimensional torsion scalar $^{(5)}T$ generates the non-Brans-Dicke type effective Lagrangian in 4-dimension due to an additional coupling between the derivative of the scalar field and torsion, but the result is equivalent to that in general relativity. We also discuss the cosmological behavior in the FLRW universe based on the effective teleparallel gravity.

  17. The Jacobian of a Nonorientable Klein Surface

    Indian Academy of Sciences (India)

    Pablo Arés-Gastesi; Indranil Biswas

    2003-05-01

    Using divisors, an analog of the Jacobian for a compact connected nonorientable Klein surface is constructed. The Jacobian is identified with the dual of the space of all harmonic real one-forms on quotiented by the torsion-free part of the first integral homology of . Denote by the double cover of given by orientation. The Jacobian of is identified with the space of all degree zero holomorphic line bundles over with the property that is isomorphic to $^*\\overline{L}$, where is the involution of .

  18. Thermodynamics in Kaluza-Klein Universe

    CERN Document Server

    Sharif, M

    2014-01-01

    This paper is devoted to check the validity of laws of thermodynamics for Kaluza-Klein universe in the state of thermal equilibrium, composed of dark matter and dark energy. The generalized holographic dark energy and generalized Ricci dark energy models are considered here. It is proved that the first and generalized second law of thermodynamics are valid on the apparent horizon for both of these models. Further, we take a horizon of radius $L$ with modified holographic or Ricci dark energy. We conclude that these models do not obey the first and generalized second law of thermodynamics on the horizon of fixed radius $L$ for a specific range of model parameters.

  19. Quakonium spectroscopy by Klein-Gordon equation

    Directory of Open Access Journals (Sweden)

    M. Haghighat B Mirza

    2000-06-01

    Full Text Available   A model is proposed to obtain the qq spectra by using a generalized Klein-Gordon equation for a two-body system. A variety of different potentials are coupled to the mass term of the generalized equation. The eigenvalues and the corresponding mass spectra are evaluated by using numerical and analytical methods. The resulting spectra match dosely with the experimental data. The obtained values are also compared with those of models such as quasipotential equation (QPE.

  20. Once Again About the Klein Paradox

    CERN Document Server

    Kevlishvili, N; Nadareishvili, T P

    2003-01-01

    After a short survey of the Klein Paradox in 3-dimensional relativistic equations, there is a detailed consideration of Dirac modified equation, which follows by one particle overweighting. It is shown, that the spin-orbital coupling is excluded in this equation as a result of pseudospin symmetry. That is why the separation of variables and reduction to radial equation is possible with standard methods in momentum space. The kernel of obtained radial equation differs from the kernel of spinless Salpeter equation in bounded, regular factor. That is why the equation has confinement type solutions.

  1. Multistate Aquatic Resources Information System (MARIS)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — MARIS is an internet-based information sharing network that allows multiple states to provide a common set of variables via a single web interface. MARIS is not a...

  2. Intervjuu Toomas Korbiga / Toomas Korb ; interv. Maris Takk

    Index Scriptorium Estoniae

    Korb, Toomas

    2006-01-01

    Eesti Sisearhitektide Liidu publitsistikapreemia nominentideks olid Eesti Kunstiakadeemia sisearhitektuuri kateedri aastaraamatu koostajad Toivo Raidmets ja Toomas Korb. Perioodi 2004-2005 kajastavast aastaraamatust. Edaspidi on plaanis aastaraamatut hakata välja andma kolme aasta tagant. T. Korbist, tema tehtud tööd. T. Raidmetsast, tema tähtsamad tööd. Ill.: 6 värv. vaadet, fotod sisearhitektidest

  3. Väikelinna filmipidu / Margit Vremmert ; interv. Mari Laaniste

    Index Scriptorium Estoniae

    Vremmert, Margit

    2006-01-01

    Locarno filmifestalist, kus võistles ka Eesti, Läti ja Sloveenia koostööfilm "Koer, lennuk ja laulupidu" ("Kilnieks/The Hostage") : režissöör Laila Pakalnina. Kuldse Leopardi võitis Šveitsi - Saksamaa koostööfilm "Preili" ("Das Fräulein"), režissöör Andrea Staka

  4. Moskvas harrastatakse hasartset "lavastajahukkamist" / Mindaugas Karbauskis ; interv. Maris Johannes

    Index Scriptorium Estoniae

    Karbauskis, Mindaugas

    2008-01-01

    Vabakutselise Leedu lavastaja Mindaugas Karbauskisega, kes töötab praegu Moskvas. Tema lavastusest "Lugu õnnelikust Moskvast" Tabakovi teateris Moskvas, mis osales teatrifestivalil Kuldne mask ja mida sai näha ka Eesti publik

  5. Väikelinna filmipidu / Margit Vremmert ; interv. Mari Laaniste

    Index Scriptorium Estoniae

    Vremmert, Margit

    2006-01-01

    Locarno filmifestalist, kus võistles ka Eesti, Läti ja Sloveenia koostööfilm "Koer, lennuk ja laulupidu" ("Kilnieks/The Hostage") : režissöör Laila Pakalnina. Kuldse Leopardi võitis Šveitsi - Saksamaa koostööfilm "Preili" ("Das Fräulein"), režissöör Andrea Staka

  6. Ideoloog non grata? / Al Paldrok ; interv. Mari Sobolev

    Index Scriptorium Estoniae

    Paldrok, Al

    1999-01-01

    Academia Non Grata üks asutajaid Al Paldrok oma Pärnusse mineku põhjustest, mõtteid kunstist, kuulsusest, suhtumisest kuulsusesse Academia Non Gratas. Tauno Kangrost ja tema Kalevipoja kujust, Peeter Allikust. Suhtumine kontseptuaalsesse kunsti ja installatsioonidesse Eestis 1980-ndate lõpul.

  7. Intervjuu Toomas Korbiga / Toomas Korb ; interv. Maris Takk

    Index Scriptorium Estoniae

    Korb, Toomas

    2006-01-01

    Eesti Sisearhitektide Liidu publitsistikapreemia nominentideks olid Eesti Kunstiakadeemia sisearhitektuuri kateedri aastaraamatu koostajad Toivo Raidmets ja Toomas Korb. Perioodi 2004-2005 kajastavast aastaraamatust. Edaspidi on plaanis aastaraamatut hakata välja andma kolme aasta tagant. T. Korbist, tema tehtud tööd. T. Raidmetsast, tema tähtsamad tööd. Ill.: 6 värv. vaadet, fotod sisearhitektidest

  8. Ideoloog non grata? / Al Paldrok ; interv. Mari Sobolev

    Index Scriptorium Estoniae

    Paldrok, Al

    1999-01-01

    Academia Non Grata üks asutajaid Al Paldrok oma Pärnusse mineku põhjustest, mõtteid kunstist, kuulsusest, suhtumisest kuulsusesse Academia Non Gratas. Tauno Kangrost ja tema Kalevipoja kujust, Peeter Allikust. Suhtumine kontseptuaalsesse kunsti ja installatsioonidesse Eestis 1980-ndate lõpul.

  9. Armas, kergelt boheemlaslik KVIFF / Marianne Kõrver ; interv. Mari Laaniste

    Index Scriptorium Estoniae

    Kõrver, Marianne, 1980-

    2006-01-01

    Lõppes 41. Karlovy Vary filmifestival. Festivali FICCI (rahvusvahelise filmiühingute liidu) žürii liikme muljeid. Žürii poolt auhinnatud Norra filmist "Reprise" (režissöör Joachim Trier). Ka soomlase Aku Louhimiehe filmist "Härmas linn". Lisatud auhinnatute nimekiri

  10. Moskvas harrastatakse hasartset "lavastajahukkamist" / Mindaugas Karbauskis ; interv. Maris Johannes

    Index Scriptorium Estoniae

    Karbauskis, Mindaugas

    2008-01-01

    Vabakutselise Leedu lavastaja Mindaugas Karbauskisega, kes töötab praegu Moskvas. Tema lavastusest "Lugu õnnelikust Moskvast" Tabakovi teateris Moskvas, mis osales teatrifestivalil Kuldne mask ja mida sai näha ka Eesti publik

  11. Mary Shelley: Teaching and Learning through "Frankenstein"

    Science.gov (United States)

    Girard, Theresa M.

    2009-01-01

    In the writing of "Frankenstein", Mary Shelley was able to change the course of women's learning, forever. Her life started from an elite standpoint as the child of Mary Wollstonecraft and William Godwin. As such, she was destined to grow to be a major influence in the world. Mary Shelley's formative years were spent with her father and his many…

  12. THE PSYCHOANALYTIC CONTRIBUTIONS OF MELITTA SCHMIDEBERG KLEIN. MORE THAN MELANIE KLEIN'S REBEL DAUGHTER.

    Science.gov (United States)

    Cassullo, Gabriele

    2016-03-01

    Compared to the impact of the work of Melanie Klein on the history of psychoanalysis, the contributions of her daughter, Melitta Schmideberg, passed almost unnoticed. At present, Schmideberg is solely remembered for having harshly attacked her mother at the start of the Controversial Discussions of the British Psycho-Analytical Society and for having coined the fitting expression "stable instability" in order to describe borderline and asocial personality disorders. However, the author discusses how the early groundbreaking discoveries of Klein with regards to primitive anxieties were the result of the joint work and thinking of Melanie and Melitta. Moreover, he argues that the conflict between the two, along with the subsequent polarization of their views, did not facilitate the development of psychoanalysis, neither did it help the analytic community to recognize the value of Melitta's contributions to psychoanalysis.

  13. The ego according to Klein: return to Freud and beyond.

    Science.gov (United States)

    Blass, Rachel B

    2012-02-01

    This paper explores fundamental dimensions of Melanie Klein's concept of the ego through a detailed study of the writings of Klein and her early colleagues (Paula Heimann, Susan Isaacs and Joan Riviere). The study examines three central issues: (a) the basic theoretical framework for Klein's conceptualization of the ego, and specifically how her conceptualization builds on Freud's structural and dual instinct models; (b) the processes involved in the development of the ego and its capacities (including the development from id to ego and from ego to superego); and (c) the view of the ego as an object of phantasy. Through this examination, the study demonstrates that Klein's conceptualization of the ego is firmly grounded both in Freud's formulations about the ego and in his theoretical and metapsychological approach to thinking about the ego. This counters the prevalent view that Klein was only focused on clinical understandings, unconcerned with theory and fuzzy in her abstract thinking. More specifically, it counters the view that Klein did not really have a concept of the ego in any well-structured sense of the term (Britton, 2003; Hinshelwood, 1994; Segal, 2001). The study considers the sources of these misconceived views. Finally, it argues that discarding such views allows us to appreciate better the richness of Klein's thinking, her theoretical affinities to Freud, and the role of theory in the development and justification of psychoanalysis.

  14. [An unpublished contribution of Melanie Klein "On Reassurance"].

    Science.gov (United States)

    Frank, Claudia; Klein, Melanie

    2005-01-01

    Melanie Klein's unpublished paper on reassurance is presented in German translation. The author shows that it was a contribution to Glover's investigation on psychoanalytic technique in the 1930s. The paper is discussed against the background of the technical discussions conducted in London at that time (e. g. M. Schmideberg, J. Strachey) and of Klein's relevant publications. Although Klein consistently considered "correct" interpretation to be the most effective means of reassurance, she occasionally also accepted a non-interpreting approach. In this respect the paper presented here goes further than any other of her writings.

  15. Melanie Klein and countertransference: a note on some archival material.

    Science.gov (United States)

    Hinshelwood, R D

    2008-01-01

    Five pages of notes were found in the Melanie Klein Archives at the Wellcome Library that concern her views on countertransference in 1953. Because of the paucity of references to countertransference in Klein's published writings these Notes fill in out knowledge. Her views were provoked by the work her students were doing in their experimental analyses of schizophrenic patients. Apocryphal stories suggest that Klein remained aligned with Freud's view of countertransference as simply interference. The Notes confirm that, whilst there is some truth to that, she did have a more sophisticated and nuanced view of the unconscious relations between analyst and analysand.

  16. Kleine-Levin syndrome as a neuropsychiatric presentation: A case ...

    African Journals Online (AJOL)

    2014-07-02

    Jul 2, 2014 ... Kleine-Levin syndrome (KLS) is considered an excep- tionally rare ... Africa (SA), and illustrates diagnostic difficulties in its presentation. ... again with an acute onset of hypersomnia ... include: upper respiratory tract infections,.

  17. Approximate Solutions of Klein-Gordon Equation with Kratzer Potential

    Directory of Open Access Journals (Sweden)

    H. Hassanabadi

    2011-01-01

    Full Text Available Approximate solutions of the D-dimensional Klein-Gordon equation are obtained for the scalar and vector general Kratzer potential for any l by using the ansatz method. The energy behavior is numerically discussed.

  18. The conflict and process theory of Melanie Klein.

    Science.gov (United States)

    Kavaler-Adler, S

    1993-09-01

    This article depicts the theory of Melanie Klein in both its conflict and process dimensions. In addition, it outlines Klein's strategic place in psychoanalytic history and in psychoanalytic theory formation. Her major contributions are seen in light of their clinical imperatives, and aspects of her metapsychology that seem negligible are differentiated from these clinical imperatives. Klein's role as a dialectical fulcrum between drive and object relations theories is explicated. Within the conflict theory, drive derivatives of sex and aggression are reformulated as object-related passions of love and hate. The process dimensions of Klein's theory are outlined in terms of dialectical increments of depressive position process as it alternates with regressive paranoid-schizoid-position mental phenomenology. The mourning process as a developmental process is particularly high-lighted in terms of self-integrative progression within the working through of the depressive position.

  19. Galactic entropy in extended Kaluza-Klein cosmology

    Science.gov (United States)

    Yanar, Hilmi; Salti, Mustafa; Aydogdu, Oktay; Acikgoz, Irfan; Yasar, Erol

    2016-02-01

    We use a Kaluza-Klein model with variable cosmological and gravitational terms to discuss the nature of galactic entropy function. For this purpose, we assume a universe filled with dark fluid and consider five-dimensional (5D) field equations using the Gamma law equation. We mainly discuss the validity of the first and generalized second laws of galactic thermodynamics for viable Kaluza-Klein models.

  20. Charcot-Marie-Tooth disease.

    LENUS (Irish Health Repository)

    Reilly, Mary M

    2011-03-01

    Charcot-Marie-Tooth (CMT) disease is the commonest inherited neuromuscular disorder affecting at least 1 in 2,500. Over the last two decades, there have been rapid advances in understanding the molecular basis for many forms of CMT with more than 30 causative genes now described. This has made obtaining an accurate genetic diagnosis possible but at times challenging for clinicians. This review aims to provide a simple, pragmatic approach to diagnosing CMT from a clinician\\'s perspective.

  1. Mary Rudenberg, Music Therapist Pioneer

    Directory of Open Access Journals (Sweden)

    Christine Neugebauer

    2010-03-01

    Full Text Available It was during my training when I came to understand and appreciate the knowledge base and experience that Mary Rudenberg has contributed to the field of music therapy. Medical music therapy was still in its infancy and the music therapy internship program at the University of Texas Medical Branch in Galveston, Texas was one of a few internships in the nation offering music therapy training in a medical setting.

  2. Kaluza-Klein relics from warped reheating

    CERN Document Server

    Berndsen, Aaron; Stoica, Horace

    2007-01-01

    It has been suggested that after brane-antibrane inflation in a Klebanov-Strassler (KS) warped throat, metastable Kaluza-Klein (KK) excitations can be formed due to nearly-conserved angular momenta along isometric directions in the throat. If sufficiently long-lived, these relics could conflict with big bang nucleosynthesis or baryogenesis by dominating the energy density of the universe. We make a detailed estimate of the decay rate of such relics using the low energy effective action of type IIB string theory compactified on the throat geometry, with attention to powers of the warp factor. We find that it is necessary to turn on SUSY-breaking deformations of the KS background in order to ensure that the most dangerous relics will decay. The decay rate is found to be much larger than the naive guess based on the dimension of the operators which break the angular isometries of the throat. For an inflationary warp factor of order w ~ 10^{-4}, we obtain the bound M_{3/2} > 10^8 GeV on the scale of SUSY breaking...

  3. Kaluza-Klein gravitons at LHC2

    Science.gov (United States)

    Dillon, Barry M.; Sanz, Veronica

    2017-08-01

    In this work we study constraints from new searches for heavy particles at the LHC on the allowed masses and couplings of a Kaluza-Klein (KK) graviton in a holographic composite Higgs model. Keeping new electroweak states heavy such that electroweak precision tests are satisfied, we control the mass of the lightest KK graviton using a brane kinetic term. With this we study KK graviton masses from 0.5-3 TeV. In our analysis we also employ little Randall-Sundrum (RS) models, characterized by a lower UV scale in the five-dimensional model which in turn implies modified couplings to massless bulk fields. Viewing this scenario as a strongly coupled four-dimensional theory with a composite Higgs boson, the KK graviton is interpreted as a composite spin-2 state and the varying UV scale corresponds to a varying intermediate scale between the cutoff of the low-energy effective theory and the Planck scale. We find that KK gravitons with masses in the range [500, 3000] GeV are compatible with current collider constraints, where the most promising channels for detecting these states are the diphoton and Z Z channels. A detection is more likely in the little RS models, in which the dual gauge theory has a larger number of colors than in traditional RS models.

  4. Melanie Klein's letters addressed to Marcelle Spira (1955-1960).

    Science.gov (United States)

    Quinodoz, Jean-Michel

    2009-12-01

    Between 1955 and 1960, Melanie Klein wrote some 45 hitherto unpublished letters to Marcelle Spira, the Swiss psychoanalyst living at that time in Geneva. In 2006, after Spira's death, these letters were deposited with the Raymond de Saussure Psychoanalysis Centre in Geneva. They are the only known letters that Klein addressed to her psychoanalyst colleagues. Several topics are mentioned in them: (1) the meetings between the two women in Geneva and London; (2) Spira's contribution to Boulanger's translation into French of The Psychoanalysis of Children, which Klein herself carefully revised; (3) the papers that Klein was at that time working on, including Envy and Gratitude; (4) Spira's own work; (5) the difficulties that Spira, a Kleinian psychoanalyst who trained in Buenos Aires, was encountering in her attempt to be admitted to the Swiss Psychoanalytical Society; and (6) a few items of personal and family news. In addition to the invaluable historical information that these letters provide, they offer us a very moving epistolary self-portrait of Melanie Klein, enabling us to discover her personality in the final years of her life - she died in September 1960, just two months after writing her last letter to Spira.

  5. Näitused / Mari Sobolev

    Index Scriptorium Estoniae

    Sobolev, Mari, 1968-

    1998-01-01

    Rotermanni soolaladu. "Elektrokardiogramm" (tegevuskunsti üritus); Vaal-galerii. Antoni T̉pies "Litograafiaid aastatest 1973-1995"; Mari Kadanik, Eero Barndõk, Rain Ader "Pildid" (maalid); Paldiski Põhikool. "Niemenlautta ja Hugo Simbergi fotod" (soome kunstniku fotode koopiad, pildistatud enne 1915. a.; Kullo lastegalerii. Neli uut näitust.(lastekunst); Arhitektuurimuuseum. Arnold Matteus - Tartu linna arhitekt (juubelinäitus), Alvar Aalto "Kolm objekti Eestis"; Linnagalerii Tallinnas. "Valge" (ruumi- ja moekunsti näitus); Sammas-galerii. Jüri Jegorow "Insect" (arvutigraafika); Endla Teatri palmisaal. "Muzik in der Kunst" (Tallinna kunstitudengite näitus); Eesti Rahvusraamatukogu. Õie Kütt "Uued ja vanad ehted"

  6. [Review] Mary Toft's Rabbit Tale

    OpenAIRE

    Jones, Emrys

    2013-01-01

    Originally broadcast in April 2011 and aired again by BBC Radio 4 this November, Mary Toft’s Rabbit Tale is a radio drama retelling the story of its titular fraudster’s brief notoriety. With a high-profile cast – including singer Will Young as Toft’s husband and Rupert Graves as man-midwife, John Howard – the play explores a number of issues related to the alleged rabbit births of 1726 and their impact on public discourse of the time.

  7. Näitused / Mari Sobolev

    Index Scriptorium Estoniae

    Sobolev, Mari, 1968-

    1998-01-01

    Rotermanni soolaladu. "Elektrokardiogramm" (tegevuskunsti üritus); Vaal-galerii. Antoni T̉pies "Litograafiaid aastatest 1973-1995"; Mari Kadanik, Eero Barndõk, Rain Ader "Pildid" (maalid); Paldiski Põhikool. "Niemenlautta ja Hugo Simbergi fotod" (soome kunstniku fotode koopiad, pildistatud enne 1915. a.; Kullo lastegalerii. Neli uut näitust.(lastekunst); Arhitektuurimuuseum. Arnold Matteus - Tartu linna arhitekt (juubelinäitus), Alvar Aalto "Kolm objekti Eestis"; Linnagalerii Tallinnas. "Valge" (ruumi- ja moekunsti näitus); Sammas-galerii. Jüri Jegorow "Insect" (arvutigraafika); Endla Teatri palmisaal. "Muzik in der Kunst" (Tallinna kunstitudengite näitus); Eesti Rahvusraamatukogu. Õie Kütt "Uued ja vanad ehted"

  8. Scheuthauer-Marie-Sainton syndrome

    Directory of Open Access Journals (Sweden)

    Vikas Elias Kuruvila

    2012-01-01

    Full Text Available Scheuthauer-Marie-Sainton syndrome also known as Cleidocranial dysplasia (CCD is an autosomal dominant disorder characteristically presented with multiple supernumerary teeth; partial or complete absence of the clavicles; and open sagittal sutures and fontanelles. This condition was first reported by Meckel in 1760. There is also evidence that it existed in the prehistoric man. More than 1,000 cases have been reported in the medical literature regarding this syndrome. A case of a 35-year-male of CCD with multiple supernumerary teeth is being reported. The diagnostic and management aspects of this syndrome are discussed.

  9. Klein tunneling in driven-dissipative photonic graphene

    Science.gov (United States)

    Ozawa, Tomoki; Amo, Alberto; Bloch, Jacqueline; Carusotto, Iacopo

    2017-07-01

    We theoretically investigate Klein tunneling processes in photonic artificial graphene. Klein tunneling is a phenomenon in which a particle with Dirac dispersion going through a potential step shows a characteristic angle- and energy-dependent transmission. We consider a generic photonic system consisting of a honeycomb-shaped array of sites with losses, illuminated by coherent monochromatic light. We show how the transmission and reflection coefficients can be obtained from the steady-state field profile of the driven-dissipative system. Despite the presence of photonic losses, we recover the main scattering features predicted by the general theory of Klein tunneling. Signatures of negative refraction and the orientation dependence of the intervalley scattering are also highlighted. Our results will stimulate the experimental study of intricate transport phenomena using driven-dissipative photonic simulators.

  10. Kaluza-Klein thresholds and regularization (in)dependence

    Energy Technology Data Exchange (ETDEWEB)

    Kubo, Jisuke; Terao, Haruhiko; Zoupanos, George

    2000-05-15

    We present a method to control the regularization scheme dependence in the running of couplings in Kaluza-Klein theories. Specifically we consider the scalar theory in five dimensions, assuming that one dimension is compactified, and we study various regularization schemes in order to analyze concretely the regularization scheme dependence of the Kaluza-Klein threshold effects. We find that in one-loop order, although the {beta}-functions are different for the different schemes, the net difference in the running of the coupling among the different schemes is very small for the entire range of energies. Our results have been extended to include more than one radius, and the gauge coupling unification is re-examined. Strings are also used as a regulator. We obtain a particular regularization scheme of the effective field theory which can accurately describe the string Kaluza-Klein threshold effects.

  11. Klein and Conformal Superspaces, Split Algebras and Spinor Orbits

    CERN Document Server

    Fioresi, Rita; Marrani, Alessio

    2016-01-01

    We discuss $\\mathcal{N}=1$ Klein and Klein-Conformal superspaces in $D=(2,2)$ space-time dimensions, realizing them in terms of their functor of points over the split composition algebra $\\mathbb{C}_{s}$. We exploit the observation that certain split form of orthogonal groups can be realized in terms of matrix groups over split composition algebras; this leads to a natural interpretation of the the sections of the spinor bundle in the critical split dimensions $D=4$, $6$ and $10$ as $\\mathbb{C}_{s}^{2}$, $\\mathbb{H}_{s}^{2}$ and $\\mathbb{O}_{s}^{2}$, respectively. Within this approach, we also analyze the non-trivial spinor orbit stratification that is relevant in our construction since it affects the Klein-Conformal superspace structure.

  12. Charged rotating dilaton black holes with Kaluza-Klein asymptotics

    Science.gov (United States)

    Knoll, Christian; Nedkova, Petya

    2016-03-01

    We construct a class of stationary and axisymmetric solutions to the five-dimensional Einstein-Maxwell-dilaton gravity, which describe configurations of charged rotating black objects with Kaluza-Klein asymptotics. The solutions are constructed by uplifting a vacuum seed solution to six dimensions, performing a boost and a subsequent circle reduction. We investigate the physical properties of the charged solutions and obtain their general relations to the properties of the vacuum seed. We also derive the gyromagnetic ratio and the Smarr-like relations. As particular cases, we study three solutions, which describe a charged rotating black string, a charged rotating black ring on Kaluza-Klein bubbles, and a superposition of two black holes and a Kaluza-Klein bubble.

  13. A new look at the theory of Melanie Klein.

    Science.gov (United States)

    Stein, R

    1990-01-01

    This paper tried to show that Melanie Klein's theory can very profitably be viewed as a descriptive theory of strong emotions rather than an instinct or developmental theory. Furthermore, since in Klein's thinking feelings 'create' objects, the primacy of feelings in this theory is central. The paper contains a short chronological study of Klein's formulations of psychic phenomena in terms of affects. It is also maintained that the paranoid-schizoid and the depressive positions are constellations of affects and of reactions to them; that psychic development is essentially in terms of the capacity to tolerate feelings, and that the basic conflict in mental life is between feelings of love and hate and associated feelings. Such a view solves many of the conceptual difficulties of Kleinian theory and in addition promises rewarding insights into the world of feelings.

  14. Colour Symbols in Mari Songs

    Directory of Open Access Journals (Sweden)

    Natalia Glukhova

    2016-06-01

    Full Text Available This article presents a system of colour symbols in Mari folk songs based on the results of a multifold investigation. The research was carried out with the help of a complex technique applied to 2100 songs from different song collections. Mari colour symbols have never before been the object of research. The process of investigation included several steps. The most important of these was the semantic analysis that helped to discern 2000 mentions of four main spectre colours as well as white, black, silver, and golden. Quantitative data evaluation singled out a dominant group by a dichotomous method, applying the principle of simple majority employed in mathematical statistics. The same technique divided the other colour symbols into complementary, auxiliary, and insignificant groups. The results of an investigation into ethnic symbology are also shown graphically. The main reconstructed meanings of colour in the analysed songs denote such emotions as joy, wonder, astonishment, grief, melancholy, some aesthetic ideals, ethical vices, as well as people’s character and appearance.

  15. Considerations on the hyperbolic complex Klein-Gordon equation

    CERN Document Server

    Ulrych, S

    2010-01-01

    The article summarizes and consolidates investigations on hyperbolic complex numbers with respect to the Klein-Gordon equation for fermions and bosons. The hyperbolic complex numbers are applied in the sense that complex extensions of groups and algebras are performed not with the complex unit, but with the product of complex and hyperbolic unit. The modified complexification is the key ingredient for the theory. The Klein-Gordon equation is represented in this framework in the form of the first invariant of the Poincar\\'e group, the mass operator, in order to emphasize its geometric origin. The possibility of new interactions arising from hyperbolic complex gauge transformations is discussed.

  16. Calvin Klein:就是这么简单

    Institute of Scientific and Technical Information of China (English)

    金艳

    2007-01-01

    中国的消费者想必都不会对 Calvin Klein(卡尔文·克莱恩)这个品牌感到陌生。印有醒目 CK 标志的 T 恤衫和牛仔裤系列,早在上世纪90年代起便开始在年轻一族中流行。Calvin Klein 不仅是我国消费者最熟悉的美国服饰品牌之一,也是世界知名的一线时装品牌。

  17. An Adolescent with Kleine-levin Syndrome: A Case Report

    Directory of Open Access Journals (Sweden)

    Pezhman Ghaem-Maghamy

    2007-08-01

    Full Text Available Kleine-levin syndrome is characterized as a periodic hypersomnia crisis as well as dietary and variable significant psychic symptoms. This report describes the finding on an evaluation of a 15- year- old girl with KLS. She had amnesia to her episodes. All episodes were correlated with menstrual period.Polysomnographic finding of this patient was normal with 5 sleep cycles in sleep architecture and sleep efficiency of 99%. Decreasing in stage I, increasing of stage III and IV and decreasing in REM sleep was notable. Dextroamphetamin was given to the patient in order to decrease sleepiness.Kleine-levin syndrome should be considered in patients with periodic hypersomnia.

  18. Boosted Black Holes on Kaluza-Klein Bubbles

    CERN Document Server

    Iguchi, Hideo; Tomizawa, Shinya

    2007-01-01

    We construct an exact stationary solution of black hole -- bubble sequence in the five dimensional Kaluza-Klein theory by using solitonic solution generating techniques. The solution describes two boosted black holes with topology S^3 on a Kaluza-Klein bubble and has a linear momentum component in the compactified direction. The ADM mass and the linear momentum depend on the two boosted velocity parameters of black holes. In the effective four dimensional theory, the solution has an electric charge which is proportional to the linear momentum. The solution includes the static solution found by Elvang and Horowitz and a limit of single boosted black string.

  19. Rotating Black Holes on Kaluza-Klein Bubbles

    CERN Document Server

    Tomizawa, S; Mishima, T; Iguchi, Hideo; Mishima, Takashi; Tomizawa, Shinya

    2007-01-01

    Using the solitonic solution generating techniques, we generate a new exact solution which describes a pair of rotating black holes on a Kaluza-Klein bubble as a vacuum solution in the five-dimensional Kaluza-Klein theory. We also investigate the properties of this solution. Two black holes with topology S^3 are rotating along the same direction and the bubble plays a role in holding two black holes. In static case, it coincides with the solution found by Elvang and Horowitz.

  20. Klein-Gordon and Dirac Equations with Thermodynamic Quantities

    Science.gov (United States)

    Arda, Altuğ; Tezcan, Cevdet; Sever, Ramazan

    2016-03-01

    We study the thermodynamic quantities such as the Helmholtz free energy, the mean energy and the specific heat for both the Klein-Gordon, and Dirac equations. Our analyze includes two main subsections: (1) statistical functions for the Klein-Gordon equation with a linear potential having Lorentz vector, and Lorentz scalar parts (2) thermodynamic functions for the Dirac equation with a Lorentz scalar, inverse-linear potential by assuming that the scalar potential field is strong ( A ≫ 1). We restrict ourselves to the case where only the positive part of the spectrum gives a contribution to the sum in partition function. We give the analytical results for high temperatures.

  1. Affetto e pensiero nel modello Klein-Bion

    Directory of Open Access Journals (Sweden)

    Marco Innamorati

    2010-01-01

    Full Text Available Affect and Thought in the Klein-Bion Model - This paper investigates the development of the psychoanalytic theory of affect according to the Klein/Bion approach, with special regard to the relationship between affect and thought which has strategic importance in the complex picture in post-war Anglo-Saxon psychoanalysis. Klein’s contributions on affect are discussed and confronted with the other elements of the psychological world: representations, drives, objects and positions. The second part of the paper presents and discusses Bion’s theory of “emotional experiences”, in which a primordial identity between thought and feelings generates every form of knowledge.

  2. Some technical implications of Klein's concept of 'premature ego development'.

    Science.gov (United States)

    Mitrani, Judith L

    2007-08-01

    In this paper, the author revisits the problem of 'premature ego development' first introduced by Melanie Klein in 1930. She also highlights several developments in post-Kleinian thinking since the publication of that paper, which can be seen as offshoots of or complements to Klein's work. The author proposes a link between this category of precocious development and the absence of the experience of what Bion termed the 'containing object.' She puts forward several technical considerations relevant to analytic work with patients who suffer as a result of early developmental failures and presents various clinical vignettes in order to demonstrate the ways in which these considerations take shape in the analytic setting.

  3. From Taub-NUT to Kaluza-Klein magnetic monopole

    Science.gov (United States)

    Riazi, Nematollah; Hashemi, S. Sedigheh

    2016-03-01

    We present a Kaluza-Klein vacuum solution which closely resembles the Taub-NUT magnetic monopole and we investigate its physical properties as viewed from four space-time dimensions. We show that the Taub-NUT Kaluza-Klein vacuum solution in five dimensions is a static magnetic monopole. We find that the four dimensional matter properties do not obey the equation of state of radiation and there is no event horizon. A comparison with the available magnetic monopole solutions and the issue of vanishing and negative mass are discussed.

  4. Experimental Physical Sciences Vistas: MaRIE (draft)

    Energy Technology Data Exchange (ETDEWEB)

    Shlachter, Jack [Los Alamos National Laboratory

    2010-09-08

    To achieve breakthrough scientific discoveries in the 21st century, a convergence and integration of world-leading experimental facilities and capabilities with theory, modeling, and simulation is necessary. In this issue of Experimental Physical Sciences Vistas, I am excited to present our plans for Los Alamos National Laboratory's future flagship experimental facility, MaRIE (Matter-Radiation Interactions in Extremes). MaRIE is a facility that will provide transformational understanding of matter in extreme conditions required to reduce or resolve key weapons performance uncertainties, develop the materials needed for advanced energy systems, and transform our ability to create materials by design. Our unique role in materials science starting with the Manhattan Project has positioned us well to develop a contemporary materials strategy pushing the frontiers of controlled functionality - the design and tailoring of a material for the unique demands of a specific application. Controlled functionality requires improvement in understanding of the structure and properties of materials in order to synthesize and process materials with unique characteristics. In the nuclear weapons program today, improving data and models to increase confidence in the stockpile can take years from concept to new knowledge. Our goal with MaRIE is to accelerate this process by enhancing predictive capability - the ability to compute a priori the observables of an experiment or test and pertinent confidence intervals using verified and validated simulation tools. It is a science-based approach that includes the use of advanced experimental tools, theoretical models, and multi-physics codes, simultaneously dealing with multiple aspects of physical operation of a system that are needed to develop an increasingly mature predictive capability. This same approach is needed to accelerate improvements to other systems such as nuclear reactors. MaRIE will be valuable to many national

  5. Mary Priestley interviewed by Leslie Bunt

    Directory of Open Access Journals (Sweden)

    Leslie Bunt

    2004-07-01

    Full Text Available I interviewed Mary Priestley at her London flat in May 2004. Mary is a well-known figure throughout the world of music therapy. At the Ninth World Congress, held in Washington in 1999, her work in Analytical Music Therapy was celebrated as one of the five universally acknowledged approaches in music therapy. Before training as a music therapist Mary also worked as a writer, artist, illustrator and secretary. Born in 1925, she was the daughter of the English playwright and author J.B. Priestley and Jane Lewis who became his second wife.

  6. Digitization of the Mary Hamilton Papers

    Directory of Open Access Journals (Sweden)

    Gardner Anne-Christine

    2017-03-01

    Full Text Available Held at The John Rylands Library, Manchester, the Mary Hamilton Papers are a valuable, but still largely untapped resource for linguistic, cultural and literary studies focussing on the late eighteenth century. In her diaries Lady Mary Hamilton (1756-1816 documents daily life and friendships with intellectual figures of the time, for instance Horace Walpole and members of the Bluestocking circle, which included Elizabeth Montagu and Frances Burney. The archive also contains letters written to Lady Mary Hamilton by her family and other members of her social network.

  7. Jean-Marie Dufour 1937-2007

    CERN Multimedia

    2007-01-01

    Jean-Marie Dufour, who was head of the CERN Legal Service from 1974 until his retirement in 2001, passed away on 8 July. Following his arrival at CERN in 1966 during the crucial phase of expansion of the Laboratory’s site, Jean-Marie Dufour ensured that CERN’s rules were applied while taking part in essential stages of the Organization’s development. With his fine mind and erudition, Jean-Marie Dufour, a staunch European devoted to the CERN cause, has left his mark on the Legal Service. The Service will publish a tribute to him in a forthcoming issue of the Bulletin.

  8. Marie Curie during ORT4

    Science.gov (United States)

    2003-01-01

    Marie Curie rover drives down the rear ramp during Operational Readiness Test (ORT) 4.Pathfinder, a low-cost Discovery mission, is the first of a new fleet of spacecraft that are planned to explore Mars over thenext ten years. Mars Global Surveyor, already en route, arrives at Mars on September 11 to begin a two year orbital reconnaissance of the planet's composition, topography, and climate. Additional orbiters and landers will follow every 26 months.The Jet Propulsion Laboratory, Pasadena, CA, developed and manages the Mars Pathfinder mission for NASA's Office of Space Science, Washington, D.C. JPL is an operating division of the California Institute of Technology (Caltech). The Imager for Mars Pathfinder (IMP) was developed by the University of Arizona Lunar and Planetary Laboratory under contract to JPL. Peter Smith is the Principal Investigator.

  9. Marie Curie during ORT6

    Science.gov (United States)

    2003-01-01

    Marie Curie sits on the lander petal prior to deployment during the pre launch Operations Readiness Test (ORT) 6.Pathfinder, a low-cost Discovery mission, is the first of a new fleet of spacecraft that are planned to explore Mars over thenext ten years. Mars Global Surveyor, already en route, arrives at Mars on September 11 to begin a two year orbital reconnaissance of the planet's composition, topography, and climate. Additional orbiters and landers will follow every 26 months.The Jet Propulsion Laboratory, Pasadena, CA, developed and manages the Mars Pathfinder mission for NASA's Office of Space Science, Washington, D.C. JPL is an operating division of the California Institute of Technology (Caltech). The Imager for Mars Pathfinder (IMP) was developed by the University of Arizona Lunar and Planetary Laboratory under contract to JPL. Peter Smith is the Principal Investigator.

  10. Biesbosch: microverontreinigingen met macro-effecten op kleine zoogdieren?

    NARCIS (Netherlands)

    Brink, van den N.W.; Bosveld, A.T.C.; Bie, de P.A.F.; Jong, de J.

    2000-01-01

    Plannen om een deel van de Biesbosch opnieuw in te richten kunnen effecten hebben voor sedimentatie-processen. Om inzicht te krijgen in de risico's van dit soort ingrepen is Alterra een onderzoek gestart naar effecten van verontreiniging op kleine zoogdieren in de Biesbosch

  11. Kaluza-Klein monopoles and gauged sigma-models

    NARCIS (Netherlands)

    Bergshoeff, E; Janssen, B; Ortin, T; Alvarez-Gaumé, L.

    1997-01-01

    We propose an effective action for the eleven-dimensional (bosonic) Kaluza-Klein monopole solution. The construction of the action requires that the background fields admit an Abelian isometry group. The corresponding sigma-model is gauged with respect to this isometry. The gauged sigma-model is the

  12. Estimating the recreational value of freshwater inflows into the Klein ...

    African Journals Online (AJOL)

    2009-12-14

    Dec 14, 2009 ... It was deduced that in 2006 the marginal recreational value of freshwater inflow into the Klein Estuary was ... properties of and processes occurring in and around estuaries ..... ise that it is possible to infer people's preferences for ecosystem .... up the user population was identified using GIS data as well.

  13. Kaluza-Klein Monopoles and Gauged Sigma Models

    NARCIS (Netherlands)

    Bergshoeff, E.A.

    1998-01-01

    We review some aspects of branes. In particular, we discuss the worldvolume theory describing the dynamics of the Kaluza-Klein monopole which turns out to be a gauged sigma model. We also briefly review some recent applications of gauged sigma models to the worldvolume description of massive branes,

  14. Fermion dynamics in the Kaluza-Klein monopole geometry

    NARCIS (Netherlands)

    Bais, F.A.; Batenburg, P.

    1984-01-01

    The behaviour of charged particles in the Kaluza-Klein monopole geometry is studied. A discussion of the five-dimensional geodesics is followed by an analysis of the corresponding Dirac equation. A main observation is that a charged particle cannot reach the core of the pole, in contrast with the co

  15. Tunneling of Dirac Particles from Kaluza-Klein Black Hole

    Institute of Scientific and Technical Information of China (English)

    ZENG Xiao-Xiong; LI Qiang

    2009-01-01

    Applying the fermions tunneling method, proposed by Kerner and Mann recently, we discuss the tunneling characteristics of Dirac particles from the stationary Kaluza-Klein black hole. To choose Gamma matrix conveniently and avoid the ergosphere dragging effect, we perform it in the dragging coordinate frame. The result shows that Hawking temperature in this case also can be reproduced by the general Dirac equation.

  16. Kaluza-Klein monopole and 5-brane effective actions

    NARCIS (Netherlands)

    Eyras, E; Lozano, Y

    2000-01-01

    We review the construction of the Kaluza-Klein monopole of the Type IIA theory in the most general case of a massive background, as well as its relation via T-duality with the Type IIB NS-5-brane. This last effective action is shown to be related by S-duality to the D5-brane effective action. [GRAPH

  17. Kaluza-Klein theory and Aharonov-Bohm effect

    Energy Technology Data Exchange (ETDEWEB)

    Ferrari, J.A.; Griego, J.

    1986-11-11

    Recently Bocchieri et al. have shown that the Aharonov-Bohm effect appears to be in contradiction with the laws of quantum mechanics. The present paper provided an alternative (non-quantum-mechanical) explanation of the Aharonov-Bohm effect by using only De Broglie's undulatory hypothesis and the five-dimensional Kaluza-Klein theory.

  18. [Kleine Levin Syndrome: more than just periodic hypersomnia

    NARCIS (Netherlands)

    Pillen, S.; Vandenbussche, N.L.; Fronczek, R.; Duijn, J. van; Lammers, G.J.; Overeem, S.

    2016-01-01

    BACKGROUND: Kleine Levin Syndrome (KLS) is a rare disease with periodic hypersomnia as its main feature. Hyperphagia and hypersexuality are also described as classical symptoms, although quite recently it has become clear that the full triad is absent in the majority of patients. CASE DESCRIPTION: A

  19. Classification of Lagrangian Fibrations over a Klein Bottle

    CERN Document Server

    Sepe, D

    2009-01-01

    This paper completes the classification of regular Lagrangian fibratiopns over compact surfaces. \\cite{misha} classifies regular Lagrangian fibrations over $\\mathbb{T}^2$. The main theorem in \\cite{hirsch} is used in order to classify integral affine structures on the Klein bottle $K^2$ and, hence, regular Lagrangian fibrations over this space.

  20. Chromatic Enumeration for Singular Maps on the Klein Bottle

    Institute of Scientific and Technical Information of China (English)

    李赵祥; 刘彦佩

    2002-01-01

    A map is singular if each edge is on the same face on a surface (i.e.,it has only one face on a surface).In this paper we present the chromatic enumeration for rooted singular maps on the Klein bottle.

  1. Breather compactons in nonlinear Klein-Gordon systems.

    Science.gov (United States)

    Dinda, P T; Remoissenet, M

    1999-11-01

    We demonstrate the existence of a localized breathing mode with a compact support, i.e., a stationary breather compacton, in a nonlinear Klein-Gordon system. This breather compacton results from a delicate balance between the harmonicity of the substrate potential and the total nonlinearity induced by the substrate potential and the coupling forces between adjacent lattice sites.

  2. A Search on the Klein-Gordon Equation

    Institute of Scientific and Technical Information of China (English)

    B. G(o)nül

    2006-01-01

    @@ The s-wave Klein-Gordon equation for the bound states is separated in two parts to see clearly the relativistic contributions to the solution in the non-relativistic limit. The reliability of the model is discussed with two examples chosen specifically.

  3. Fermion dynamics in the Kaluza-Klein monopole geometry

    NARCIS (Netherlands)

    Bais, F.A.; Batenburg, P.

    1984-01-01

    The behaviour of charged particles in the Kaluza-Klein monopole geometry is studied. A discussion of the five-dimensional geodesics is followed by an analysis of the corresponding Dirac equation. A main observation is that a charged particle cannot reach the core of the pole, in contrast with the co

  4. Massive Kaluza-Klein theories and their spontaneously broken symmetries

    Energy Technology Data Exchange (ETDEWEB)

    Hohm, O.

    2006-07-15

    In this thesis we investigate the effective actions for massive Kaluza-Klein states, focusing on the massive modes of spin-3/2 and spin-2 fields. To this end we determine the spontaneously broken gauge symmetries associated to these 'higher-spin' states and construct the unbroken phase of the Kaluza-Klein theory. We show that for the particular background AdS{sub 3} x S{sup 3} x S{sup 3} a consistent coupling of the first massive spin-3/2 multiplet requires an enhancement of local supersymmetry, which in turn will be partially broken in the Kaluza-Klein vacuum. The corresponding action is constructed as a gauged maximal supergravity in D=3. Subsequently, the symmetries underlying an infinite tower of massive spin-2 states are analyzed in case of a Kaluza-Klein compactification of four-dimensional gravity to D=3. It is shown that the resulting gravity-spin-2 theory is given by a Chern-Simons action of an affine algebra and also allows a geometrical interpretation in terms of 'algebra-valued' differential geometry. The global symmetry group is determined, which contains an affine extension of the Ehlers group. We show that the broken phase can in turn be constructed via gauging a certain subgroup of the global symmetry group. Finally, deformations of the Kaluza-Klein theory on AdS{sub 3} x S{sup 3} x S{sup 3} and the corresponding symmetry breakings are analyzed as possible applications for the AdS/CFT correspondence. (Orig.)

  5. Radium, Marie Curie and modern science.

    Science.gov (United States)

    Langevin-Joliot, H

    1998-11-01

    In 1898, the discovery of two new elements, polonium and radium, reawakened interest in the topic of uranic rays discovered 2 years before by H. Becquerel. Radioactivity, a name coined by Marie Curie, became a major research field for decades. The contrasting personalities of Pierre Curie, already a first-rank physicist, and of the young Marie Curie-Sklodowska as they undertook their common work are described. It is shown how a well-chosen quantitative method and a systematic approach combining physics and chemistry led to the discovery within less than 1 year. The special role of radium and the determination of its atomic weight by Marie Curie followed by her long-term program for accumulating pure radium salts are emphasized. The first woman with a full professorship at a French University, Marie Curie created and managed the Radium Institute.

  6. Radikaalsus muuseumi kaitsva teki all / Mari Sobolev

    Index Scriptorium Estoniae

    Sobolev, Mari, 1968-

    2004-01-01

    Rotermanni soolalaos avatud Marco (Marko) Laimre isiknäituse "Küsimused ja vastused" puhul 13. IV toimunud konverentsist. Johannes Saare, Eha Komissarovi, Hanno Soansi, Anders Härmi ja Mari Sobolevi ettekannetest

  7. The Framing of Calvin Klein: A Frame Analysis of Media Discourse about the August 1995 Calvin Klein Jeans Advertising Campaign.

    Science.gov (United States)

    Tucker, Lauren R.

    1998-01-01

    Deconstructs the "kiddie porn" media frame used by the industry and mainstream media to characterize Klein's ad campaign. Extends scholarship on the construction of youth in the media, showing how the kiddie-porn frame produces and reproduces common-sense beliefs about the nature of youth. Suggests a metadiscourse encompassing the…

  8. Kleine-levin syndrome: clinical course, polysomnography and multiple sleep latency test. Case report

    Directory of Open Access Journals (Sweden)

    REIMÃO RUBENS

    1998-01-01

    Full Text Available A case of Kleine-Levin syndrome, with chronic severe periodic hypersomnia is described in a 17-year-old female. The first episode started when she was 15 years old. The episodes were characterized by periodic hypersomnia accompanied by hyperphagia, lasting 5 days, and repeating at 28 to 60 day intervals. The severity of hypersomnia prevented her from attending school activities. Outside the hypersomnia periods, she was asymptomatic. EEG, brain computerized tomography and brain nuclear magnetic resonance were normal; all-night polysomnography, Multiple Sleep Latency Test (MSLT and Epworth Sleepiness Scale (ESS were within normal limits. During the period of hypersomnolence, polysomnography showed short sleep latency and short REM latency. MSLT mean sleep latency was 1.8 min; and REM period was present in one subtest; the ESS was markedly elevated.

  9. Seitse raamatut ühtmoodi loodusest, kuid kõik erinevad / Ulvar Käärt, Mari Klein

    Index Scriptorium Estoniae

    Käärt, Ulvar, 1982-

    2009-01-01

    Arvustus: Järva, Jaanus. Looduse aasta. Tallinn : Varrak, 2008; Järva, Jaanus. Raba : vaikuses ja varjus. Tallinn : Pegasus, 2008; Savisaar, Remo. Loodus kutsub. Tallinn : Varrak, 2008; Relve, Hendrik. Eesti looduse vägi. Tallinn : Koolibri, 2008; Tartes, Urmas, Põder, Jaak. Legendiloomad. Tallinn : Varrak, 2008; Eesti maastikud. Tallinn : Tänapäev, 2008; Veedla, Peep. Lindudega sõbraks / pildid joonistanud Triinu Ootsing. Tallinn : Berit Grupp, 2008

  10. Seitse raamatut ühtmoodi loodusest, kuid kõik erinevad / Ulvar Käärt, Mari Klein

    Index Scriptorium Estoniae

    Käärt, Ulvar, 1982-

    2009-01-01

    Arvustus: Järva, Jaanus. Looduse aasta. Tallinn : Varrak, 2008; Järva, Jaanus. Raba : vaikuses ja varjus. Tallinn : Pegasus, 2008; Savisaar, Remo. Loodus kutsub. Tallinn : Varrak, 2008; Relve, Hendrik. Eesti looduse vägi. Tallinn : Koolibri, 2008; Tartes, Urmas, Põder, Jaak. Legendiloomad. Tallinn : Varrak, 2008; Eesti maastikud. Tallinn : Tänapäev, 2008; Veedla, Peep. Lindudega sõbraks / pildid joonistanud Triinu Ootsing. Tallinn : Berit Grupp, 2008

  11. Mari e-raamatukogu / Tatjana Verina ; vene keelest tõlkinud Ene Riet

    Index Scriptorium Estoniae

    Verina, Tatjana

    2011-01-01

    Mari e-raamatukogu loomise aluseks on Mari-Eli Vabariigi etnokultuuriliste ja rahvusvaheliste suhete arendamise projekt, hetkel on elektroonilises raamatukogus 52 täistekstilist teavikut Tšavaini nimelise Mari Rahvusraamatukogu haruldaste raamatute kogust

  12. Mari e-raamatukogu / Tatjana Verina ; vene keelest tõlkinud Ene Riet

    Index Scriptorium Estoniae

    Verina, Tatjana

    2011-01-01

    Mari e-raamatukogu loomise aluseks on Mari-Eli Vabariigi etnokultuuriliste ja rahvusvaheliste suhete arendamise projekt, hetkel on elektroonilises raamatukogus 52 täistekstilist teavikut Tšavaini nimelise Mari Rahvusraamatukogu haruldaste raamatute kogust

  13. Reassessing the clinical affinity between Melanie Klein and D.W. Winnicott (1935-51): Klein's unpublished "Notes on baby" in historical context.

    Science.gov (United States)

    Aguayo, Joseph

    2002-10-01

    The author investigates the clinical affinity between Klein and Winnicott (1935-46) asa way to historically situate Winnicott 's later criticism of Klein's 'temperamental' inability to understand the impact of the environment on the infant's development. By setting out Klein s theories at the time when Winnicott began supervision with her in 1935, a context is established for the analysis of an unpublished 1937 manuscript by Klein ('Notes on baby'). The author argues that this direct and extensive infant observation demonstrates Klein's sensitivity to the familial environment. While Winnicott as a paediatrician showed enthusiasm for Klein s ideas, he also demonstrated a difference of opinion in emphasising the maternal environment of provision after his wartime evacuation experiences with London children. The factors leading to their mutual distancing are outlined as follows: (1) the post-Controversial Discussion atmosphere of the British Psycho-Analytical Society in 1944. The new non-aligned psychoanalytic 'middle group' allowed Winnicott to take a pick and choose attitude towards available analytic theories; (2) Winnicott us new clinical practices and theory differed from Klein 's, leading to a widening gap between 1946 and 1951. Winnicott's new theory and practice simultaneously represented his technical marginalisation of Klein s emphasis on the direct analysis of the patient s destructiveness by the time he delivered the 'Transitional objects' paper in 1951.

  14. An intrinsic hyperboloid approach for Einstein Klein-Gordon equations

    CERN Document Server

    Wang, Qian

    2016-01-01

    In [7] Klainerman introduced the hyperboloidal method to prove the global existence results for nonlinear Klein-Gordon equations by using commuting vector fields. In this paper, we extend the hyperboloidal method from Minkowski space to Lorentzian spacetimes. This approach is developed in [14] for proving, under the maximal foliation gauge, the global nonlinear stability of Minkowski space for Einstein equations with massive scalar fields, which states that, the sufficiently small data in a compact domain, surrounded by a Schwarzschild metric, leads to a unique, globally hyperbolic, smooth and geodesically complete solution to the Einstein Klein-Gordon system. In this paper, we set up the geometric framework of the intrinsic hyperboloid approach in the curved spacetime. By performing a thorough geometric comparison between the radial normal vector field induced by the intrinsic hyperboloids and the canonical $\\p_r$, we manage to control the hyperboloids when they are close to their asymptote, which is a light...

  15. Kaluza-Klein Reduction of a Quadratic Curvature Model

    CERN Document Server

    Baskal, S

    2010-01-01

    Palatini variational principle is implemented on a five dimensional quadratic curvature gravity model, rendering two sets of equations which can be interpreted as the field equations and the stress-energy tensor. Unification of gravity with electromagnetism and the scalar dilaton field is achieved through the Kaluza-Klein dimensional reduction mechanism. The reduced curvature invariant, field equations and the stress-energy tensor in four dimensional spacetime are obtained. The structure of the interactions among the constituent fields is exhibited in detail. It is shown that the Lorentz force naturally emerges from the reduced field equations and the equations of the standard Kaluza-Klein theory is demonstrated to be intrinsically contained in this model.

  16. A relevância de Klein hoje

    Directory of Open Access Journals (Sweden)

    Yve-Alain Bois

    2010-01-01

    Full Text Available Para se aproximar do trabalho de Yves Klein, o autor reproduz alguns argumentos de Theodor Adorno sobre a música de Wagner, formulados em dois momentos - em 1937-1938, sob a experiência do fascismo, e em 1963, com 30 anos de "distância". No primeiro texto, Adorno mostrava, na obra de Wagner, os aspectos que traíam a gestação do fascismo. No segundo reconhecia que, com o novo momento histórico, outras camadas vinham à baila naquela obra; ela havia mudado, e a posição de Adorno em relação a ela tornava-se "ambivalente". Partindo do paralelismo com Wagner, Bois revisita o trabalho de Klein buscando revelar, em seus ardis e encenações, para além da simples adesão aos expedientes da indústria cultural, uma espetacularização do próprio espetáculo, que acaba por esvaziá-lo.In order to approach the work of Yves Klein, the author recalls the arguments of Theodor Adorno in regard to the music of Richard Wagner, presented in two different texts - the first written in 1937-1938, under the experience of fascism, and the other in 1963, with a "distance" of 30 years. In the first text, Adorno highlighted, in the work of Wagner, the aspects that betrayed the birth of fascism. In the second one he recognized that, along with the new historical moment, other layers emerged in Wagner's work; it had changed, and Adorno's position toward it became "ambivalent". Starting with a parallelism with Wagner, Bois reexamines the work of Yves Klein, trying to reveal, in his use of staging and artifice, beyond the mere acceptance of the expedients of the culture industry, a spectacularization of spectacle itself, that ends up by deflating it.

  17. Conformal anomaly and compactification of Kaluza--Klein models

    Energy Technology Data Exchange (ETDEWEB)

    Vasilevich, D.V.; Shtykov, N.N.

    1988-10-01

    An O (d)-invariant regularization of d-dimensional Kaluza--Klein models with scalar and fermion fields is proposed. The regularization preserves the power divergences and does not give inverse powers of the cutoff parameter in the conformal anomaly. The one-loop corrections to the trace of the energy--momentum tensor are calculated for internal spaces S/sup 2/, S/sup 4/, and S/sup 6/.

  18. Topology change in Kaluza-Klein and superstring theories

    Energy Technology Data Exchange (ETDEWEB)

    Tipler, F.J.

    1985-12-19

    It is shown that topology change - for instance, true dynamical compactification - cannot occur in classical Kaluza-Klein and superstring theories without causality violation either in the form of a breakdown in predictability (a failure of global hyperbolicity), or in the form of closed timelike curves. This implies that if causality holds, then any toplogical distinction between the spacetime and internal dimensions either has to be present ab initio, or else must arise in the quantum gravity regime. (orig.).

  19. Topology change in Kaluza-Klein and superstring theories

    Science.gov (United States)

    Tipler, Frank J.

    1985-12-01

    It is shown that topology change-for instance, true dynamical compactification - cannot occur in classical Kaluza-Klein and superstring theories without causality violation either in the form of a breakdown in predictability (a failure of global hyperbolicity), or in the form of closed timelike curves. This implies that if causality holds, then any topological distinction between the spacetime and internal dimensions either has to be present ab initio, or else must arise in the quantum gravity regime. Permanent address.

  20. Global solution for coupled nonlinear Klein-Gordon system

    Institute of Scientific and Technical Information of China (English)

    GAN Zai-hui; ZHANG Jian

    2007-01-01

    The global solution for a coupled nonlinear Klein-Gordon system in twodimensional space was studied.First,a sharp threshold of blowup and global existenoe for the system was obtained by constructing a type of cross-constrained variational problem and establishing so-called cross-invariant manifolds of the evolution flow.Then the result of how small the initial data for which the solution exists globally was proved by using the scaling argument.

  1. Newton-Cartan, Galileo-Maxwell and Kaluza-Klein

    CERN Document Server

    Bleeken, Dieter Van den

    2015-01-01

    We study Kaluza-Klein reduction in Newton-Cartan gravity. In particular we show that dimensional reduction and the nonrelativistic limit commute. The resulting theory contains Galilean electromagnetism and a nonrelativistic scalar. It provides the first example of back-reacted couplings of scalar and vector matter to Newton-Cartan gravity. This back-reaction is interesting as it sources the spatial Ricci curvature, providing an example where nonrelativistic gravity is more than just a Newtonian potential.

  2. Towards Kaluza-Klein Dark Matter on nilmanifolds

    Science.gov (United States)

    Andriot, David; Cacciapaglia, Giacomo; Deandrea, Aldo; Deutschmann, Nicolas; Tsimpis, Dimitrios

    2016-06-01

    We present a first study of the field spectrum on a class of negatively-curved compact spaces: nilmanifolds or twisted tori. This is a case where analytical results can be obtained, allowing to check numerical methods. We focus on the Kaluza-Klein expansion of a scalar field. The results are then applied to a toy model where a natural Dark Matter candidate arises as a stable massive state of the bulk scalar.

  3. A Dark Energy Model in Kaluza-Klein Cosmology

    Science.gov (United States)

    Mukhopadhyay, Utpal; Chakraborty, Ipsita; Ray, Saibal; Usmani, A. A.

    2016-01-01

    We study a dynamic Λ model with varying gravitational constant G under the Kaluza-Klein cosmology. Physical features and the limitations of the present model have been explored and discussed. Solutions are found mostly in accordance with the observed features of the accelerating universe. Interestingly, signature flipping of the deceleration parameter is noticed and the present age of the Universe is also attainable under certain stringent conditions. We find that the time variation of gravitational constant is not permitted without vintage Λ.

  4. A Dark Energy Model in Kaluza-Klein Cosmology

    CERN Document Server

    Mukhopadhyay, Utpal; Ray, Saibal; Usmani, A A

    2014-01-01

    We study a dynamic $\\Lambda$ model with varying gravitational constant $G$ under the Kaluza-Klein cosmology. Physical features and the limitations of the present model have been explored and discussed. Solutions are found mostly in accordance with the observed features of the accelerating universe. Interestingly, signature flipping of the deceleration parameter is noticed and the present age of the Universe is also attainable under certain stringent conditions. We find that the time variation of gravitational constant is not permitted without vintage $\\Lambda$.

  5. MONOSEMPTOMATİK KLEINE-LEVIN SENDROMU: Bir Olgu Sunumu*

    OpenAIRE

    KARADENİZ, Derya; ERDEM, Enis; GÜRDAL, Ayça; PELİN, Zerrin; Öztürk, Levent; Kaynak, Hakan

    2014-01-01

    Background.- Kleine-Levin syndrome is characterized by recurring episodes of hypersomnia, mental disturbances and abnormal behaviour including hyperphagia and hypersexuality. The episodes start suddenly generally after a mild viral infection, mild head injury or sometimes after a psychological stress. They last few days to several weeks and end abruptly. Between the episodes, there is no sleep disturbance and patients are physically and mentally normal. Patients sleep as long as 18 to 20 hour...

  6. The torus and the Klein Bottle amplitude of permutation orbifolds

    CERN Document Server

    Kadar, Z

    2000-01-01

    The torus and the Klein bottle amplitude coefficients are computed in permutation orbifolds of RCFT-s in terms of the same quantities in the original theory and the twist group. An explicit expression is presented for the number of self conjugate primaries in the orbifold as a polynomial of the total number of primaries and the number of self conjugate ones in the parent theory. The formulae in the $Z_2$ orbifold illustrate the general results.

  7. Constraints on cosmic superstrings from Kaluza-Klein emission.

    Science.gov (United States)

    Dufaux, Jean-François

    2012-07-01

    Cosmic superstrings interact generically with a tower of light and/or strongly coupled Kaluza-Klein (KK) modes associated with the geometry of the internal space. We study the production of KK particles by cosmic superstring loops, and show that it is constrained by big bang nucleosynthesis. We study the resulting constraints in the parameter space of the underlying string theory model and highlight their complementarity with the regions that can be probed by current and upcoming gravitational wave experiments.

  8. Kaluza-Klein Theory without Extra Dimensions: Curved Clifford Space

    CERN Document Server

    Pavsic, M

    2005-01-01

    A theory in which 16-dimensional curved Clifford space (C-space) provides realization of Kaluza-Klein theory is investigated. No extra dimensions of spacetime are needed: "extra dimensions" are in C-space. It is shown that the covariant Dirac equation in C-space contains Yang-Mills fields of the U(1)xSU(2)xSU(3) group as parts of the generalized spin connection of the C-space.

  9. Numerical Solution of Radial Biquaternion Klein-Gordon Equation

    Directory of Open Access Journals (Sweden)

    Christianto V.

    2008-01-01

    Full Text Available In the preceding article we argue that biquaternionic extension of Klein-Gordon equation has solution containing imaginary part, which differs appreciably from known solution of KGE. In the present article we present numerical/computer solution of radial biquaternionic KGE (radialBQKGE; which differs appreciably from conventional Yukawa potential. Further observation is of course recommended in order to refute or verify this proposition.

  10. Newton-Cartan, Galileo-Maxwell and Kaluza-Klein

    Science.gov (United States)

    Van den Bleeken, Dieter; Yunus, Çağin

    2016-07-01

    We study Kaluza-Klein reduction in Newton-Cartan gravity. In particular we show that dimensional reduction and the nonrelativistic limit commute. The resulting theory contains Galilean electromagnetism and a nonrelativistic scalar. It provides the first example of back-reacted couplings of scalar and vector matter to Newton-Cartan gravity. This back-reaction is interesting as it sources the spatial Ricci curvature, providing an example where nonrelativistic gravity is more than just a Newtonian potential.

  11. Stability of some Kaluza-Klein cosmological models

    Energy Technology Data Exchange (ETDEWEB)

    Barrow, J.D.; Stein-Schabes, J.

    1986-02-06

    The stability is examined of some exact Kaluza-Klein cosmological solutions that possess static extra dimensions and standard Friedman behaviour for the remaining three spatial dimensions. It is shown that even when the extra dimensions are asymptotically static they produce a deviation from Friedman behaviour in the observable three spatial dimensions. A similar effect is found for models with anisotropically expanding three-spaces. (orig.).

  12. Gauged diffeomorphisms and hidden symmetries in Kaluza-Klein theories

    Energy Technology Data Exchange (ETDEWEB)

    Hohm, Olaf [Spinoza Institute and Institute for Theoretical Physics, Leuvenlaan 4, 3584 CE Utrecht (Netherlands)

    2007-06-07

    We analyse the symmetries that are realized on the massive Kaluza-Klein modes in generic D-dimensional backgrounds with three non-compact directions. For this, we construct the unbroken phase given by the decompactification limit, in which the higher Kaluza-Klein modes are massless. The latter admits an infinite-dimensional extension of the three-dimensional diffeomorphism group as local symmetry and, moreover, a current algebra associated with SL(D-2,R) together with the diffeomorphism algebra of the internal manifold as global symmetries. It is shown that the 'broken phase' can be reconstructed by gauging a certain subgroup of the global symmetries. This deforms the three-dimensional diffeomorphisms to a gauged version, and it is shown that they can be governed by a Chern-Simons theory, which unifies the spin-2 modes with the Kaluza-Klein vectors. This provides a reformulation of D-dimensional Einstein gravity, in which the physical degrees of freedom are described by the scalars of a gauged nonlinear {sigma}-model based on SL(D-2,R)/SO(D-2), while the metric appears in a purely topological Chern-Simons form.

  13. Proper time and conformal problem in Kaluza-Klein theory

    CERN Document Server

    Minguzzi, E

    2015-01-01

    In the traditional Kaluza-Klein theory, the cylinder condition and the constancy of the extra-dimensional radius (scalar field) imply that timelike geodesics on the 5-dimensional bundle project to solutions of the Lorentz force equation on spacetime. This property is lost for non constant scalar fields, in fact there appear new terms that have been interpreted mainly as new forces or as due to a variable inertial mass and/or charge. Here we prove that the additional terms can be removed if we assume that charged particles are coupled with the same spacetime conformal structure of neutral particles but through a different conformal factor. As a consequence, in Kaluza-Klein theory the proper time of the charged particle might depend on the charge-to-mass ratio and the scalar field. Then we show that the compatibility between the equation of the projected geodesic and the classical limit of the Klein-Gordon equation fixes unambiguously the conformal factor of the coupling metric solving the `conformal ambiguity ...

  14. Reduced thalamic and pontine connectivity in Kleine-Levin syndrome

    Directory of Open Access Journals (Sweden)

    Maria eEngström

    2014-04-01

    Full Text Available The Kleine-Levin syndrome is a rare sleep disorder, characterized by exceptionally long sleep episodes. The neuropathology of the syndrome is unknown and treatment is often inadequate. The aim of the study was to improve understanding of the underlying neuropathology, related to cerebral networks, in Kleine-Levin syndrome during sleep episodes. One patient with Kleine-Levin syndrome and congenital nystagmus, was investigated by resting state functional Magnetic Resonance Imaging during both asymptomatic and hypersomnic periods. Fourteen healthy subjects were also investigated as control samples. Functional connectivity was assessed from seed regions of interest in the thalamus and the dorsal pons. Thalamic connectivity was normal in the asymptomatic patient whereas the connectivity between the brain stem, including dorsal pons, and the thalamus was diminished during hypersomnia. These results suggest that the patient’s nystagmus and hypersomnia might have their pathological origin in adjacent dorsal pontine regions. This finding provides additional knowledge of the cerebral networks involved in the neuropathology of this disabling disorder. Furthermore, these findings regarding a rare syndrome have broad implications and results could be of interest to researchers and clinicians in the whole field of sleep medicine.

  15. From the Coxeter graph to the Klein graph

    CERN Document Server

    Dejter, Italo J

    2010-01-01

    We show that the 56-vertex Klein cubic graph $\\G'=F_{056}B$ (so denoted in the Foster census) can be obtained from the 28-vertex Coxeter graph $\\G=F_{028}A$ by 'zipping' adequately the squares of the 24 7-cycles of $\\G$ endowed with an orientation obtained by considering $\\G$ as a $\\mathcal C$-ultrahomogeneous digraph, where $\\mathcal C$ is the set of oriented 7-cycles $\\vec{C}_7$ and $2$-paths $\\vec{P}_3$, that tightly fasten those $\\vec{C}_7$ in $\\G$. In the process, it is seen that $\\G'$ is a ${\\mathcal C}'$-ultrahomogeneous graph, where ${\\mathcal C}'$ is the set of 7-cycles $C_7$ and $1$-paths $P_2$, that tightly fasten those $C_7$ in $\\G'$; this yields an embedding of $\\G'$ into a 3-torus $T_3$, which forms the Klein map of Coxeter notation $(7,3)_8$. The dual graph of $\\G'$ in $T_3$ is the distance regular Klein quartic graph, with corresponding dual map of Coxeter notation $(3,7)_8$.

  16. interval functions

    Directory of Open Access Journals (Sweden)

    J. A. Chatfield

    1978-01-01

    Full Text Available Suppose N is a Banach space of norm |•| and R is the set of real numbers. All integrals used are of the subdivision-refinement type. The main theorem [Theorem 3] gives a representation of TH where H is a function from R×R to N such that H(p+,p+, H(p,p+, H(p−,p−, and H(p−,p each exist for each p and T is a bounded linear operator on the space of all such functions H. In particular we show that TH=(I∫abfHdα+∑i=1∞[H(xi−1,xi−1+−H(xi−1+,xi−1+]β(xi−1+∑i=1∞[H(xi−,xi−H(xi−,xi−]Θ(xi−1,xiwhere each of α, β, and Θ depend only on T, α is of bounded variation, β and Θ are 0 except at a countable number of points, fH is a function from R to N depending on H and {xi}i=1∞ denotes the points P in [a,b]. for which [H(p,p+−H(p+,p+]≠0 or [H(p−,p−H(p−,p−]≠0. We also define an interior interval function integral and give a relationship between it and the standard interval function integral.

  17. CHARCOT-MARIE-TOOTH DISEASE

    Directory of Open Access Journals (Sweden)

    Lea Leonardis

    2003-09-01

    Full Text Available Background. Charcot-Marie-Tooth (CMT disease is a common inherited disorder of the peripheral nervous system. In our paper, different types of CMT are described with their typical clinical pictures, electrophysiological signs and molecular genetic studies. CMT is classified as demyelinative and axonal type and distal motor neuronopathy.Conclusions. CMT can be of autosomal dominant, recessive and X-linked inheritance. The most frequent form of CMT is the result of the dominantly inherited duplication of chromosome 17p11.2 and is marked as CMT1A. The same group involves also rare patients with point mutation in the peripheral myelin protein-22 gene. CMT1B is associated with point mutations in protein zero gene. CMT1C is linked to chromosome 16p13.1–12.3. Patients with point mutations in early growth response 2 gene (EGR2 are included in group CMT1D. The disease can be also inhereted X-linked (CMTX with the mutations in connexin-32 gene. In autosomal recessive inherited demyelinating polyneuropathies (CMT4, mutations are found in the myotubularin-related protein-2 (CMT4B, N-myc downstream-regulated gene 1 (CMT4D, EGR2 (CMT4E, and in the periaksin (CMT4F genes. In axonal inherited neuropathy, mutations are found in KIF1beta (CMT2A and in light neurofilament (CMT2E genes, other forms map to different chromosomal loci (CMT2B, CMT2D, CMT2F. Some suggestions for the diagnostic procedures of patients with CMT are given.

  18. Meet EPA Scientist Marie O'Shea, Ph.D.

    Science.gov (United States)

    EPA Scientist Dr. Marie O'Shea is Region 2's Liaison to the Agency's Office of Research and Development (ORD). Marie has a background in research on urban watershed management, focused on characterizing and controlling nutrients in stormwater runoff.

  19. On the Klein-Gordon oscillator subject to a Coulomb-type potential

    Science.gov (United States)

    Bakke, K.; Furtado, C.

    2015-04-01

    By introducing the scalar potential as modification in the mass term of the Klein-Gordon equation, the influence of a Coulomb-type potential on the Klein-Gordon oscillator is investigated. Relativistic bound states solutions are achieved to both attractive and repulsive Coulomb-type potentials and the arising of a quantum effect characterized by the dependence of angular frequency of the Klein-Gordon oscillator on the quantum numbers of the system is shown.

  20. Precise and Efficient Retrieval of Captioned Images: The MARIE Project.

    Science.gov (United States)

    Rowe, Neil C.

    1999-01-01

    The MARIE project explores knowledge-based information retrieval of captioned images of the kind found in picture libraries and on the Internet. MARIE's five-part approach exploits the idea that images are easier to understand with context, especially descriptive text near them, but it also does image analysis. Experiments show MARIE prototypes…

  1. Mary Shelly and Her "Hideous Progeny"

    Institute of Scientific and Technical Information of China (English)

    谌英

    2011-01-01

    Mary Shelly's representative work Frankenstein has spawned innumerable interpretations since its first publication in 1818.This thesis explores Mary Shelly's motivation of creating the monster.Mary Shelly's "hideous progeny" to some degree is her "shadow"

  2. MaRIE Undulator & XFEL Systems

    Energy Technology Data Exchange (ETDEWEB)

    Nguyen, Dinh Cong [Los Alamos National Laboratory; Marksteiner, Quinn R. [Los Alamos National Laboratory; Anisimov, Petr Mikhaylovich [Los Alamos National Laboratory; Buechler, Cynthia Eileen [Los Alamos National Laboratory

    2015-03-23

    The 22 slides in this presentation treat the subject under the following headings: MaRIE XFEL Performance Parameters, Input Electron Beam Parameters, Undulator Design, Genesis Simulations, Risks, and Summary It is concluded that time-dependent Genesis simulations show the MaRIE XFEL can deliver the number of photons within the required bandwidth, provided a number of assumptions are met; the highest risks are associated with the electron beam driving the XFEL undulator; and risks associated with the undulator and/or distributed seeding technique may be evaluated or retired by performing early validation experiments.

  3. Classroom Instruction: The Influences of Marie Clay

    Science.gov (United States)

    McNaughton, Stuart

    2014-01-01

    Marie Clay's body of work has influenced classroom instruction in direct and indirect ways, through large overarching themes in our pedagogical content knowledge as well as specific smart practices. This paper focuses on her the contributions to our thinking about instruction which come from two broad theoretical concepts; emergent literacy…

  4. Visions of Mary Wollstonecraft: Implications for Education.

    Science.gov (United States)

    Manus, Alice L.

    This paper discusses the educational and social philosophy of Mary Wollstonecraft, an English writer of the 18th century. Her works included "Vindication of the Rights of Man," and her best know work, "Vindication of the Rights of Woman" which was published in 1792 and consisted of the first sustained argument for female…

  5. Early Onset Charcot-Marie-Tooth Disease

    Directory of Open Access Journals (Sweden)

    J Gordon Millichap

    2005-06-01

    Full Text Available The clinical signs and genetic analysis of early-onset Charcot-Marie-Tooth disease (CMT in a 2-year-old boy and members of his family are reported from the Academic Medical Center, Amsterdam, and Sophia Children’s Hospital, Rotterdam, the Netherlands.

  6. Mari Trentinjan : Muzhtshina jejo smerti / Bernard Lavillier

    Index Scriptorium Estoniae

    Lavillier, Bernard

    2003-01-01

    Prantsuse näitlejanna Marie Trintignant'iga (41) suri 1. augustil Prantsusmaal oma elukaaslase, ansambli "Noir Desire" liidri Bertrand Cantat' poolt Vilniuses talle tekitatud trauma tagajärjel. Näitlejanna eludraama. Järgneb 5. jaan. 2004, lk. 16-18 : ill

  7. Bon appetite! / Mari-Liis Rebane

    Index Scriptorium Estoniae

    Rebane, Mari-Liis

    2009-01-01

    Pimedate Ööde 13. filmifestivali alafestivali Animated Dreams täispikki animafilme: Austraalia "Mary ja Max" (režissöör Elliot, Adam), Rootsi-Taani-Norra "Metropia" (režissöör Tarik Saleh), Iisraeli-Austraalia "9,99 dollarit" (režissöör Tatia Rosenthal)

  8. Mary Elizabeth Hickox Mandels, 90, bioenergy leader

    Directory of Open Access Journals (Sweden)

    Eveleigh Douglas E

    2009-09-01

    Full Text Available Abstract Mary E H Mandels, who spearheaded the US Army's national bioconversion studies for four decades and was an early proponent of conversion of waste biomass to readily bioconvertible sugars for the production of chemicals and transportation fuels such as ethanol, died 17 February 2008 at Natick, MA, USA. She was 90.

  9. Bon appetite! / Mari-Liis Rebane

    Index Scriptorium Estoniae

    Rebane, Mari-Liis

    2009-01-01

    Pimedate Ööde 13. filmifestivali alafestivali Animated Dreams täispikki animafilme: Austraalia "Mary ja Max" (režissöör Elliot, Adam), Rootsi-Taani-Norra "Metropia" (režissöör Tarik Saleh), Iisraeli-Austraalia "9,99 dollarit" (režissöör Tatia Rosenthal)

  10. Calvin Klein Home“枕边话事件”

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    <正>艺术家Jonathan Horowitz和Art Production Fund合作的回顾展"Jonathan Horowitz:And/Or."被纽约时报称为"一次精明而脆弱的回顾",包括由Yvonne Force Villareal和Doreen Remen共同创立的非盈利组织Art Production Fund的作品"枕边话事件"(Pillow Talk Cases)。由Calvin Klein Home捐赠的一系列白色

  11. The second-order Klein-Gordon field equation

    OpenAIRE

    Gomes, D.; E. Capelas De Oliveira

    2004-01-01

    We introduce and discuss the generalized Klein-Gordon second-order partial differential equation in the Robertson-Walker space-time, using the Casimir second-order invariant operator written in hyperspherical coordinates. The de Sitter and anti-de Sitter space-times are recovered by means of a convenient choice of the parameter associated to the space-time curvature. As an application, we discuss a few properties of the solutions. We also discuss the case where we have positive frequency expo...

  12. The world in eleven dimensions a tribute to Oskar Klein

    CERN Document Server

    Duff, Michael J

    2001-01-01

    Current attempts to find a unified theory that would reconcile Einstein's General Relativity and Quantum Mechanics, and explain all known physical phenomena, invoke the Kaluza-Klein idea of extra spacetime dimensions. The best candidate is M-theory, which lives in eleven dimensions, the maximum allowed by supersymmetry of the elementary particles. We give a non-technical account. An Appendix provides an updated version of Edwin A. Abbott's 1884 satire {\\it Flatland: A Romance of Many Dimensions}. Entitled {\\it Flatland, Modulo 8}, it describes the adventures of a superstring theorist, A. Square, who inhabits a ten-dimensional world and is initially reluctant to accept the existence of an eleventh dimension.

  13. Wormhole in 5D Kaluza-Klein cosmology

    Science.gov (United States)

    Biswas, Gargi; Modak, B.

    2017-03-01

    We present wormhole as a solution of Euclidean field equations as well as the solution of the Wheeler-deWitt (WD) equation satisfying Hawking-Page wormhole boundary conditions in (4 + 1)-dimensional Kaluza-Klein cosmology. The wormholes are considered in the cases of pure gravity, minimally coupled scalar (imaginary) field and with a positive cosmological constant assuming dynamical extra-dimensional space. In above cases, wormholes are allowed both from Euclidean field equations and WD equation. The dimensional reduction is possible.

  14. From Taub-NUT to Kaluza-Klein magnetic monopole

    CERN Document Server

    Riazi, Nematollah

    2016-01-01

    We present a Kaluza-Klien vacuum solution which closely resembles the Taub-NUT magnetic monopole and we investigate its physical properties as viewed from four space-time dimensions. We show that the Taub-NUT Kaluza-Klein vacuum solution in five dimensions is a static magnetic monopole. We find that the four dimensional matter properties do not obey the equation of state of radiation and there is no event horizon. A comparison with the available magnetic monopole solutions and the issue of vanishing and negative mass are discussed.

  15. A new method to solve the damped nonlinear Klein-Gordon equation

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    This paper discusses a damped nonlinear Klein-Gordon equation in the reproducing kernel space and provides a new method for solving the damped nonlinear Klein-Gordon equation based on the reproducing kernel space.Two numerical examples are given for illustrating the feasibility and accuracy of the method.

  16. Antiparticle in the Light of Einstein-Podolsky-Rosen Paradox and Klein Paradox

    Institute of Scientific and Technical Information of China (English)

    NI Guang-Jiong; GUAN Hong; ZHOU Wei-Min; YAN Jun

    2000-01-01

    The original version of Einstein-Podolsky-Rosen paradox and the Klein paradox of Klein-Gordon equation are discussed to show the necessity of existence of antiparticle with its wave function being fixed unambiguously. No concept of "hole" is needed.

  17. Dynamical fermion masses under the influence of Kaluza-Klein fermions in extra dimensions

    OpenAIRE

    Abe, Hiroyuki; Miguchi, Hironori; Muta, Taizo

    2000-01-01

    The dynamical fermion mass generation in the 4-dimensional brane is discussed in a model with 5-dimensional Kaluza-Klein fermions in interaction with 4-dimensional fermions. It is found that the dynamical fermion masses are generated beyond the critical radius of the compactified extra dimensional space and may be made small compared with masses of the Kaluza-Klein modes.

  18. Dynamical fermion masses under the influence of Kaluza-Klein fermions in extra dimensions

    CERN Document Server

    Abe, H; Muta, T; Abe, Hiroyuki; Miguchi, Hironori; Muta, Taizo

    2000-01-01

    The dynamical fermion mass generation in the 4-dimensional brane is discussedin a model with 5-dimensional Kaluza-Klein fermions in interaction with4-dimensional fermions. It is found that the dynamical fermion masses aregenerated beyond the critical radius of the compactified extra dimensionalspace and may be made small compared with masses of the Kaluza-Klein modes.

  19. A T-duality approach to the gravitational wave and the Kaluza-Klein monopole

    NARCIS (Netherlands)

    Janssen, B

    1999-01-01

    We present a world volume action for the gravitational wave and the (bosonic) N = 1 Heterotic Kaluza-Klein monopole solution. In the construction of the action we make use of the fact that the wave and the Kaluza-Klein monopole are T-dual to the fundamental string and the solitonic five-brane, and w

  20. Klein : üleilmastumiseks pole kütust / Naomi Klein ; interv. Nathan Gardels, tõlk. Külli-Riin Tigasson

    Index Scriptorium Estoniae

    Klein, Naomi

    2008-01-01

    Energia kallinemise ja veokulude suurenemisega aeglustub globaliseerumine, Hiina muutub tarbimiskapitalismi omaksvõtuga sarnasemaks läänega ning lääs sarnaneb üha enam Hiinaga seoses kodanike vabaduse ohverdamisega jälgimistegevusele

  1. Klein : üleilmastumiseks pole kütust / Naomi Klein ; interv. Nathan Gardels, tõlk. Külli-Riin Tigasson

    Index Scriptorium Estoniae

    Klein, Naomi

    2008-01-01

    Energia kallinemise ja veokulude suurenemisega aeglustub globaliseerumine, Hiina muutub tarbimiskapitalismi omaksvõtuga sarnasemaks läänega ning lääs sarnaneb üha enam Hiinaga seoses kodanike vabaduse ohverdamisega jälgimistegevusele

  2. Numerical computation of travelling breathers in Klein Gordon chains

    Science.gov (United States)

    Sire, Yannick; James, Guillaume

    2005-05-01

    We numerically study the existence of travelling breathers in Klein-Gordon chains, which consist of one-dimensional networks of nonlinear oscillators in an anharmonic on-site potential, linearly coupled to their nearest neighbors. Travelling breathers are spatially localized solutions having the property of being exactly translated by p sites along the chain after a fixed propagation time T (these solutions generalize the concept of solitary waves for which p=1). In the case of even on-site potentials, the existence of small amplitude travelling breathers superposed on a small oscillatory tail has been proved recently [G. James, Y. Sire, Travelling breathers with exponentially small tails in a chain of nonlinear oscillators, Commun. Math. Phys., 2005, in press (available online at http://www.springerlink.com)], the tail being exponentially small with respect to the central oscillation size. In this paper, we compute these solutions numerically and continue them into the large amplitude regime for different types of even potentials. We find that Klein-Gordon chains can support highly localized travelling breather solutions superposed on an oscillatory tail. We provide examples where the tail can be made very small and is difficult to detect at the scale of central oscillations. In addition, we numerically observe the existence of these solutions in the case of non-even potentials.

  3. The classical tests in Kaluza-Klein gravity

    Science.gov (United States)

    Kalligas, D.; Wesson, P. S.; Everitt, C. W. F.

    1995-01-01

    The possible existence of extra dimensions to spacetime can be tested astrophysically using Kaluza-Klein theory, which is a natural extension of Einsteins's general relativity. In the simplest version of the theory, there is a standard class of five-dimensional solutions that are analogous to the four-dimensional Schwarzschild solution. However, even a small departure of the extra dimension from flatness affects the first or dominant part of the potential, making it possible to test for the existence of an extra dimension. Data from the solar system indicate that in our region of space the terms due to the fifth dimension are small (less than or equal to 0.1%) compared to those due to the usual for dimensions of spacetime. However, the parameters of Kaluza-Klein theory are not universal constants and can vary from place to place depending on local physics. Hence other astrophysical systems may serve as better laboratories for investigating the possible existence of extra dimensions.

  4. Some developments from the work of Melanie Klein.

    Science.gov (United States)

    Spillius, E B

    1983-01-01

    This paper discusses four areas of work in which several followers of Melanie Klein in Britain have developed some of the discoveries and ideas she initiated. First, extension of her concept of projective identification is briefly described, with emphasis on Bion's and Rosenfeld's stress on its communicative as well as its pathological aspects. Second, the extension of Klein's ideas about the epistemophilic instinct, on symbolism, and about projective identification is described in the work of Segal, Bion, Money-Kyrle, and Bick on the development of the capacity to think. Third, certain developments in Kleinian technique are described, with emphasis on the use of the concept of projective identification in analysing transference, and on the analysis of acting out in the transference, a trend contributed to by many Kleinian analysts but perhaps most closely associated with Betty Joseph. Finally, continued refinements in the analysis of the death instinct are briefly described, together with discussion of the changes these refinements have led to in ideas about the organization and relations of parts of the self and internal objects.

  5. Mary Somerville and the world of science

    CERN Document Server

    Chapman, Allan

    2015-01-01

    Mary Somerville (1780-1872), after whom Somerville College Oxford was named, was the first woman scientist to win an international reputation entirely in her own right, rather than through association with a scientific brother or father. She was active in astronomy, one of the most demanding areas of science of the day, and flourished in the unique British tradition of Grand Amateurs, who paid their own way and were not affiliated with any academic institution. Mary Somerville was to science what Jane Austen was to literature and Frances Trollope to travel writing. Allan Chapman’s vivid account brings to light the story of an exceptional woman, whose achievements in a field dominated by men deserve to be very widely known.

  6. Jean-Marie Dufour 1937-2007

    CERN Multimedia

    2007-01-01

    Picture taken by Rudiger Voss in the Legal Service LibraryJean-Marie Dufour, CERN Legal Advisor from 1974 until his retirement in 2001, passed away on 8 July. For us, his colleagues in the Legal Service, Jean-Marie was a tutor and a reference, who passed on to us his passion for the practice of law in an intergovernmental organisation. As a boss, his abiding managerial quality was his unstinting loyalty to his collaborators. Jean-Marie joined CERN in 1966 and for the next 35 years was to be the guardian of the Laboratory’s rules. This was his view of the Organization: "...I have discovered [at CERN] a fascinating universe driven by two forces: science and Europe; a world of physicists and engineers who, encouraged by the States of Europe, run a remarkable Laboratory, where Europeans have achieved reconciliation and restored the grand tradition of European physics, attracting physicists from around the world; a Laboratory that transcends not only the fro...

  7. Women who Worked with Marie Curie.

    Science.gov (United States)

    Pigeard-Micault, Natalie

    2015-06-01

    Marie Curie directed a research laboratory for 28 years. Between 1906 and 1934, forty five women worked under her guidance. Some were, and are, well-known in their own countries as their first woman full professor such as Ellen Gleditsch or Margaret von Wrangel, but for twenty eight of them, who were often French, nothing has ever been written. The strong presence of women in Marie Curie's laboratory has often been highlighted and has been considered as an exception, and the result of deliberate choice. Of course, these women did not choose this workplace by accident. They knew its director was a woman, a laureate of one, and after 1911, two Nobel Prizes, who was leading a well-equipped laboratory with an important radioactive source. But how did Marie Curie selected her collaborators among the many applications she received? Was her choice influenced by gender? A prosopographical research based on genealogical researches and new sources explains this presence contextually and sheds light on several questions : where did these women come from, what were their social and geographic origins, did they occupy any specific cultural or technical area inside Curie's lab, what future did they have after the laboratory? Through their lives, we can question the existence, or not, of a one profile of the female researcher in scientific areas in France.

  8. Mary Katrantzou 真实之美

    Institute of Scientific and Technical Information of China (English)

    2016-01-01

    3月27日,Mary Katrantzou时装发布会将在751D·PARK第一车间举行。Mary Katrantzou的主题发布围绕奢华的代名词展开,意在寻找过滤奢华之后的美丽;一件源于艺术或设计的作品如果过于真实,女性是无法穿戴的。前几季主要基于香水瓶,艺术内饰和的艺术实体,例如花田,日常物品,古董邮票,风景的设计系列以及最近的鞋子系列,均以印花图案为其审美核心。Mary Katrantzou在伦敦时装周2009春夏系列上首次展出了她的成衣系列,并得到了BFC公司和New Gen Scheme的支持。

  9. Mary Grant Seacole: the first nurse practitioner.

    Science.gov (United States)

    Messmer, P R; Parchment, Y

    1998-01-01

    Mary Grant Seacole was born in 1805, in Kingston, Jamaica, to a Jamaican doctress (medicine woman) and a Scottish naval officer. Later Seacole became a doctress, nursing British soldiers during epidemics of cholera, dysentery, and yellow fever in Jamaica, Cuba, and Panama. After refusals by both the British government and Florence Nightingale to be allowed to practice in Scutari, she financed her own way to the scene of the Crimean War and then established the British Hotel to serve both the comfort and medical needs of the wounded soldiers. At night, Seacole worked side by side with Nightingale at Scutari as a volunteer nurse. Seacole's fame grew proportionately after she was seen helping wounded soldiers on the battlefields even while the battles were still raging. Seacole died on May 14, 1881, in London. One hundred years later, many members of the London black community, a few members of the Nurses Association of Jamaica and the Friends of Mary Seacole marched to her grave, honoring her as one of the greatest women of all times. Mary Grant Seacole rose above the barriers of racial prejudice and demonstrated the determinism, compassion, and caring that have became the hallmark of nurse practitioners.

  10. Farewell Jean-Marie Good Luck Eva Welcome back Franz

    CERN Document Server

    2001-01-01

    At the farewell reception offered by the Director-General, Professor Luciano Maiani, on the occasion of Jean-Marie Dufour's retirement from CERN, three generations of CERN Legal Counsel met. From right to left: Jean-Marie Dufour, who retires on 30 November 2001, after 35 years of service. Eva-Maria Gröniger-Voss, who takes over from Jean-Marie Dufour on 1st December 2001. Ambassador Franz Schmid, CERN Legal Counsel from 1971 to 1974.

  11. Braneworld effective action An alternative to Kaluza-Klein reduction

    CERN Document Server

    Barvinsky, A O; Rathke, A; Kiefer, C; Barvinsky, Andrei; Kamenshchik, Alexander; Rathke, Andreas; Kiefer, Claus

    2003-01-01

    We construct the braneworld effective action in the two-brane Randall-Sundrum model in a setup alternative to Kaluza-Klein reduction: The action is written as a functional of the two metric and radion fields on the branes. In the low-energy spectrum of the model we find two - one massless and one massive - graviton modes, the mass of the massive mode diverging in the limit of merging branes. Our results confirm a recently proposed model of braneworld inflation with diverging branes. They also suggest the possibility of a new mechanism for a repulsive interbrane potential which can underlie the model of colliding "thick" branes in the Big Crunch/Big Bang transitions in cosmology. Mixing of the obtained massless and massive modes can be interpreted as radion-induced graviton oscillations potentially interesting for gravitational wave astronomy.

  12. Codes on the Klein quartic, ideals, and decoding

    DEFF Research Database (Denmark)

    Hansen, Johan P.

    1987-01-01

    descriptions as left ideals in the group-algebra GF(2^{3})[G]. This description allows for easy decoding. For instance, in the case of the single error correcting code of length21and dimension16with minimal distance3. decoding is obtained by multiplication with an idempotent in the group algebra.......A sequence of codes with particular symmetries and with large rates compared to their minimal distances is constructed over the field GF(2^{3}). In the sequence there is, for instance, a code of length 21 and dimension10with minimal distance9, and a code of length21and dimension16with minimal...... distance3. The codes are constructed from algebraic geometry using the dictionary between coding theory and algebraic curves over finite fields established by Goppa. The curve used in the present work is the Klein quartic. This curve has the maximal number of rational points over GF(2^{3})allowed by Serre...

  13. Calvin Klein 把极简进行到底

    Institute of Scientific and Technical Information of China (English)

    吴子伊; 陈翔飞

    2006-01-01

    70年代建立的Calvin Klein,没有上百年的品牌历史,但是成功的广告战略和视觉营销体系,使品牌拥有与欧洲顶级品牌一样黄金的店铺位置和精美橱窗。对于海报里的裸体模特造型及挑逗表现,Calvin Klein本人认为是充满想象力和革新精神的,虽然在策划广告营销方案时,他没有预想到后来出现的众多争议,但是"把商品卖出去"的初衷与视觉营销的目的不谋而合。

  14. On Signature Transition and Compactification in Kaluza-Klein Cosmology

    CERN Document Server

    Darabi, F

    1999-01-01

    We consider an empty (4+1) dimensional Kaluza-Klein universe with a negative cosmological constant and a Robertson-Walker type metric. It is shown that the solutions to Einstein field equations have degenerate metric and exhibit transitioins from a Euclidean to a Lorentzian domain. We then suggest a mechanism, based on signature transition which leads to compactification of the internal space in the Lorentzian region as $a \\sim |\\Lambda|^{1/2}$. With the assumption of a very small value for the cosmological constant we find that the size of the universe $R$ and the internal scale factor $a$ would be related according to $Ra\\sim 1$ in the Lorentzian region. The corresponding Wheeler-DeWitt equation has exact solution in the mini-superspace giving rise to a quantum state which peaks in the vicinity of the classical solutions undergoing signature transition.

  15. Kaluza-Klein Structure Associated With Fat Brane

    CERN Document Server

    Hung, P Q; Hung, Pham Quang; Tran, Ngoc-Khanh

    2003-01-01

    It is known that the imposition of orbifold boundary conditions on background scalar field can give rise to a non-trivial vacuum expectation value (VEV) along extra dimensions, which in turn generates fat branes and associated unconventional Kaluza-Klein (KK) towers of fermions. We study the structure of these KK towers in the limit of one large extra dimension and show that normalizable (bound) states of massless and massive fermions can exist at both orbifold fixed points. Closer look however indicates that orbifold boundary conditions act to suppress at least half of bound KK modes, while periodic boundary conditions tend to drive the high-lying modes to the conventional structure. By investigating the scattering of fermions on branes, we analytically compute masses and wavefunctions of KK spectra in the presence of these boundary conditions up to one-loop level. Implication of KK-number non-conservation couplings on the Coulomb potential is also examined.

  16. Emergence of compact structures in a Klein-Gordon model.

    Science.gov (United States)

    Rosenau, Philip; Kashdan, Eugene

    2010-01-22

    The Klein-Gordon model (KG) phi=P{'}(|phi|)phi/|phi| is Lorenz invariant and has a finite wave speed, yet its localized modes, whether Q balls or vortices, suffer from the same fundamental flaw as all other solitons-they extend indefinitely. Using the KG model as a case study, we demonstrate that appending the site potential, P{a}(phi|), with a subquadratic part P(|phi|)=b{2}|phi|{1+delta}+P{a}(|phi|), 0

  17. Julia Kristeva: Das weibliche Genie – Melanie Klein. Gießen: Psychosozial-Verlag 2008

    Directory of Open Access Journals (Sweden)

    Lilli Gast

    2009-07-01

    Full Text Available Julia Kristeva widmet sich im zweiten Teil ihrer Trilogie über das weibliche Genie dem Leben und Werk von Melanie Klein, die mit ihren Arbeiten über die früheste Verfasstheit des Psychischen das psychoanalytische Denken für die Psychosen und den Wahn aufschloss und die Rolle des Mütterlichen im psychoanalytischen Diskurs neu definierte. In ihrer Auseinandersetzung mit Klein gelingt Kristeva nicht nur eine ausgesprochen gelungene Einführung in Kleins Denken, sondern auch eine Analyse weiblicher Intellektualität im 20. Jahrhundert. Zudem werden die Schnittstellen im Denken Kleins und Kristevas sichtbar.Julia Kristeva devotes this second installment of her trilogy on feminine genius to the life and work of Melanie Klein. Klein’s work on the early state of the psyche opened psychoanalytical thinking to psychoses, delusion, and the redefined the role of the motherly in psychoanalytical discourse. In her discussion of Klein, Kristeva provides not only a markedly insightful introduction to Klein’s thinking, but also an analysis of female intellectuality in the 20th century. Moreover, the reader clearly sees the interconnections between Klein and Kristeva’s thinking.

  18. Marie and Pierre Curie. Life in extremes; Marie and Pierre Curie. Leben in Extremen

    Energy Technology Data Exchange (ETDEWEB)

    Roethlein, Brigitte

    2008-07-01

    In Paris in 1894, two young physicists fall in love: Marie Sklodowska and Pierre Curie. They get married and make great contributions to science, research radioactivity and discover new chemical elements. The marriage of Marie and Pierre Curie is quite modern: They work together as equals, share their thoughts and pursue their plans together as partners. They share an absolute interest in science, a love of nature, and a sceptic attitude towards the sophisticated society of the Belle Epoque. They are together 24 hours a day with hardly ever any disagreement. Whenever one of them is ill - which is quite often because of the high level of radioactivity in their laboratory -, the other will nurse him or her. After only twelve years of mutual love, Pierre Curie dies. Marie raises their two daughters on her own and continues her research. In 1911, she will be the first scientist that ever gets a second Nobel Prize. (orig.) [German] Im Paris des Jahres 1894 verlieben sich zwei junge Physiker: Marie Sklodowska und Pierre Curie. Sie heiraten und leisten gemeinsam Grosses fuer die Wissenschaft, erforschen die Radioaktivitaet und entdecken neue chemische Elemente. Zusammen erhalten sie den Nobelpreis. Marie und Pierre Curie fuehren eine Ehe, die ihrer Zeit weit voraus ist: Sie arbeiten gleichberechtigt miteinander, teilen ihre Gedanken und verfolgen ihre Plaene gemeinsam. Beiden eigen ist die absolute wissenschaftliche Neugier, die Liebe zur Natur und die Skepsis gegenueber der mondaenen Gesellschaft der Belle Epoque. Fast jeden Tag sind sie rund um die Uhr zusammen, dabei gibt es selten Spannungen. Wenn einer von beiden gesundheitliche Probleme hat - und das haben sie wegen der radioaktiven Belastung im Labor oft - ist der andere fuer ihn da und pflegt ihn. Nach nur zwoelf gemeinsamen Jahren der Liebe und Arbeit stirbt Pierre Curie. Marie zieht ihre beiden Toechter alleine gross und fuehrt die Forschungen weiter. 1911 erhaelt sie als erster Mensch zum zweiten Mal den

  19. Kaluza-Klein reduction of relativistic fluids and their gravity duals

    CERN Document Server

    Di Dato, Adriana

    2013-01-01

    We study the hydrodynamics of relativistic fluids with several conserved global charges (i.e., several species of particles) by performing a Kaluza-Klein dimensional reduction of a neutral fluid on a N-torus. Via fluid/gravity correspondence, this allows us to describe the long-wavelength dynamics of black branes with several Kaluza-Klein charges. We obtain the equation of state and transport coefficients of the charged fluid directly from those of the higher-dimensional neutral fluid. We specialize these results for the fluids dual to Kaluza-Klein black branes.

  20. The origin of the logic of symbolic mathematics Edmund Husserl and Jacob Klein

    CERN Document Server

    Hopkins, Burt C

    2011-01-01

    Burt C. Hopkins presents the first in-depth study of the work of Edmund Husserl and Jacob Klein on the philosophical foundations of the logic of modern symbolic mathematics. Accounts of the philosophical origins of formalized concepts-especially mathematical concepts and the process of mathematical abstraction that generates them-have been paramount to the development of phenomenology. Both Husserl and Klein independently concluded that it is impossible to separate the historical origin of the thought that generates the basic concepts of mathematics from their philosophical meanings. Hopkins explores how Husserl and Klein arrived at their conclusion and its philosophical implications for the modern project of formalizing all knowledge.

  1. Vicious circles of punishment: a reading of Melanie Klein's Envy and gratitude.

    Science.gov (United States)

    Smith, Henry F

    2008-01-01

    Staged as a moral drama, Melanie Klein's Envy and Gratitude (1957) straddles two eras: one reflecting a simpler more concrete, historical method, and the other an approach of greater complexity, focused on the transferential moment. Embedded within the transference are the vicious circles of envy and punishment that are the hallmark of Klein's text. Punishment itself which is always punishment of both self and other, creates its own vicious circle, set in motion by a single act. In the sadomasochistic enactments that result, the moral force of Klein's categories fuels the countertransference. A detailed clinical hour is presented.

  2. Relativistic quantum effects of confining potentials on the Klein-Gordon oscillator

    Science.gov (United States)

    Vitória, R. L. L.; Bakke, K.

    2016-02-01

    The behaviour of the Klein-Gordon oscillator under the influence of linear and Coulomb-type potentials is investigated. The introduction of the scalar potentials is made by modifying the mass term of the Klein-Gordon equation, then, by searching for relativistic bound states, a particular quantum effect can be observed: a dependence of the angular frequency of the Klein-Gordon oscillator on the quantum numbers associated with the radial modes and the angular momentum. As an example, we analyse the angular frequency and the energy level associated with the ground state of the relativistic system.

  3. Julia Kristeva: Das weibliche Genie – Melanie Klein. Gießen: Psychosozial-Verlag 2008

    OpenAIRE

    Lilli Gast

    2009-01-01

    Julia Kristeva widmet sich im zweiten Teil ihrer Trilogie über das weibliche Genie dem Leben und Werk von Melanie Klein, die mit ihren Arbeiten über die früheste Verfasstheit des Psychischen das psychoanalytische Denken für die Psychosen und den Wahn aufschloss und die Rolle des Mütterlichen im psychoanalytischen Diskurs neu definierte. In ihrer Auseinandersetzung mit Klein gelingt Kristeva nicht nur eine ausgesprochen gelungene Einführung in Kleins Denken, sondern auch eine Analyse weibliche...

  4. Some Exact Solutions for a Klein Gordon Equation Algunas soluciones exactas para una ecuación de Klein Gordon

    Directory of Open Access Journals (Sweden)

    H H Ortíz Álvarez

    2012-12-01

    Full Text Available In solving practical problems in science and engineering arises as a direct consequence differential equations that explains the dynamics of the phenomena.Finding exact solutions to this equations provides importan informationabout the behavior of physical systems. The Lie symmetry method allows tofind invariant solutions under certain groups of transformations for differentialequations.This method not very well known and used is of great importance inthe scientific community. By this approach it was possible to find several exactinvariant solutions for the Klein Gordon Equation uxx − utt = k(u. A particularcase, The Kolmogorov equation uxx − utt = k1u + k2un was considered.These equations appear in the study of relativistic and quantum physics. Thegeneral solutions found, could be used for future explorations on the study forother specific K(u functions. En la solución de problemas prácticos de las ciencias y la ingeniería surgen como consecuencia directa ecuaciones diferenciales que dan razón de la dinámica de los fenómenos. El encontrar soluciones exactas a estas ecuaciones proporciona información importante sobre el comportamiento de sistemas físicos. El método de las simetrías de Lie permite encontrar soluciones invariantes bajo ciertos grupos de transformaciones para ecuaciones diferenciales. Mediante este método fue posible encontrar familias de soluciones exactas invariantes para la ecuación de Klein Gordon uxx- utt = k(u: En particular, se consideró la ecuación de Kolmogorov uxx - utt = k1u + k2u n. Estas ecuaciones aparecen en el estudio de la física relativista y cuántica. Las soluciones generales encontradas podrían emplearse en futuros desarrollos en el estudio para otro tipo de funciones k(u.

  5. Mari Martin - vahelüli looja ja kandja vahel / Mari Martin ; intervjueerinud Tanel Veenre

    Index Scriptorium Estoniae

    Martin, Mari, 1983-

    2009-01-01

    Kalamari Promotioni tegevjuht, Tartu Ülikoolis majandust õppiv Mari Martin oma esimestest sammudest moemaailmas, kaubamärkide ReUse RePublic (premeeriti noorte äriideede võistlusel "Ajujaht 2009" 175000 krooniga) ja Tallinn Dolls loomisest, eesti disaineritest, unistustest seoses eesti disainiga

  6. Mari Martin - vahelüli looja ja kandja vahel / Mari Martin ; intervjueerinud Tanel Veenre

    Index Scriptorium Estoniae

    Martin, Mari, 1983-

    2009-01-01

    Kalamari Promotioni tegevjuht, Tartu Ülikoolis majandust õppiv Mari Martin oma esimestest sammudest moemaailmas, kaubamärkide ReUse RePublic (premeeriti noorte äriideede võistlusel "Ajujaht 2009" 175000 krooniga) ja Tallinn Dolls loomisest, eesti disaineritest, unistustest seoses eesti disainiga

  7. Exact Solution of Klein-Gordon Equation by Asymptotic Iteration Method

    Institute of Scientific and Technical Information of China (English)

    Eser Ol(g)ar

    2008-01-01

    Using the asymptotic iteration method (AIM) we obtain the spectrum of the Klein-Gordon equation for some choices of scalar and vector potentials. In particular, it is shown that the AIM exactly reproduces the spectrum of some solvable potentials.

  8. ["Is it an animal inside? "Melanie Klein's unpublished Don Juan Paper (1939)].

    Science.gov (United States)

    Frank, Claudia

    2008-01-01

    Klein had been asked to contribute an article to the birthday number of the International Journal for Jones. The author outlines how she hurriedly wrote a text about Don Juan which, however, was rejected by the editor. Essential parts of it are presented in German translation. The manuscript is discussed in the context of Klein's published work as well as of the relevant contemporary literature. In Klein's view, Don Juan's genitality is determined by oral impulses and fears. By his manic acting out he attempts to ward off a depressive break-down. The paper ends with some reflections about why Klein--ontrary to her intention--failed to revise her manuscript for later publication.

  9. Spacetimes with a separable Klein-Gordon equation in higher dimensions

    CERN Document Server

    Kolar, Ivan

    2015-01-01

    We study spacetimes that lead to a separable Klein-Gordon equation in a general dimension. We introduce an ansatz for the metric in higher dimensions motivated by analogical work by Carter in four dimensions and find solutions of the Klein-Gordon equation. For such a metric we solve the Einstein equations and regain the Kerr-NUT-(A)dS spacetime as one of our results. Other solutions lead to the Einstein-K\\"ahler metric of a Euclidean signature. Next we investigate a warped geometry of two Klein-Gordon separable spaces with a properly chosen warped factor. We show that the resulting metric leads also to a separable Klein--Gordon equation and we find the corresponding solutions. Finally, we solve the Einstein equations for the warped geometry and obtain new solutions.

  10. Etienne Klein Les sciences à la conquête du temps

    CERN Multimedia

    Franco, Fabien

    2006-01-01

    Etienne Klein grouped some of his works to the subject of time. On the occasion of his participation to thr 16e Sciences Festival in Chamonix, he gives a part of its thoughts about this matter (3 pages)

  11. Exact solution of the Klein Gordon equation in the presence of a minimal length

    CERN Document Server

    Jana, T K

    2009-01-01

    We obtain exact solutions of the (1+1) dimensional Klein Gordon equation with linear vector and scalar potentials in the presence of a minimal length. Algebraic approach to the problem has also been studied.

  12. Pediatric Charcot-Marie-Tooth disease.

    Science.gov (United States)

    Jani-Acsadi, Agnes; Ounpuu, Sylvia; Pierz, Kristan; Acsadi, Gyula

    2015-06-01

    Heritable diseases of the peripheral nerves (Charcot-Marie-Tooth disease [CMT]) affect the motor units and sensory nerves, and they are among the most prevalent genetic conditions in the pediatric patient population. The typical clinical presentation includes distal muscle weakness and atrophy, but the severity and progression are largely variable. Improvements in supportive treatment have led to better preservation of patients' motor functions. More than 80 genes have been associated with CMT. These genetic discoveries, along with the developments of cellular and transgenic disease models, have allowed clinicians to better understand the disease mechanisms, which should lead to more specific treatments. Copyright © 2015 Elsevier Inc. All rights reserved.

  13. Gifts from Mary Ainsworth and John Bowlby.

    Science.gov (United States)

    Crittenden, Patricia M

    2017-07-01

    Attachment theory has developed over many decades - and continues to develop. Its roots lie in several seminal publications of John Bowlby (the basis of attachment theory) and Mary D. S. Ainsworth (the notion of individual differences in attachment). This paper identifies the prescient contributions of these early publications and two processes (a long-term dialogue and reflection on discrepancy) that underlay emergent theory. Because I was a student of Ainsworth when both attachment theory and individual differences in attachment organization were becoming better known, I offer some of my recollections of that period, suggesting how that period may have affected current work in attachment.

  14. Marie Curie's contribution to Medical Physics.

    Science.gov (United States)

    Jean-Claude, Rosenwald; Nüsslin, Fridtjof

    2013-09-01

    On occasion of its 50th anniversary, the International Organization for Medical Physics (IOMP) from now on is going to celebrate annually an International Day of Medical Physics for which the 7th November, the birthday of Marie Sklodowska Curie, a most exceptional character in science at all and a pioneer of medical physics, has been chosen. This article briefly outlines her outstanding personality, sketches her fundamental discovery of radioactivity and emphasizes the impact of her various achievements on the development of medical physics at large.

  15. Mari Koger : "Arhitekte on palju. Tuleb leida õige" / Gitte Hint

    Index Scriptorium Estoniae

    Hint, Gitte

    2003-01-01

    Mari Koger (sünd. 1973) kodu kujundamisest, planeerimisest, valgustusest, värvidest, suhtlemisest kliendiga. Mari Kogerist, loetletud tema tehtud ühiskondlike ruumide sisekujundused aastast 2002. M. Koger töötab Boom.ee OÜ-s. Ill.: M. Kogeri värv. portree

  16. Marie and Pierre Curie and radium: history, mystery, and discovery.

    Science.gov (United States)

    Mould, R F

    1999-09-01

    Commencing with Marie Curie's early life in Poland and the discovery of radium in the rue l'Homond "shed" in Paris in 1898, this paper includes some little known facts. It ends with some unusual uses of and claims for radium, and finally, because Medical Physics is an American journal, details are included of Marie Curie's two visits to the USA.

  17. Eisma sadamahoone = Eisma port building / Mari Kurismaa ; kommenteerinud Krista Aren

    Index Scriptorium Estoniae

    Kurismaa, Mari, 1956-

    2015-01-01

    Eluruumid Eisma sadamahoones (Eisma küla, Vihula vald, Lääne-Virumaa). Sisekujunduse autorid Mari Kurismaa, Indrek Allmann; arhitekt Indrek Allmann (AB Pluss). Eesti Sisearhitektide Liidu aastapreemia 2014/2015 parima kodu eest. Lühidalt Mari Kurismaast ja Indrek Allmannist

  18. Eisma sadamahoone = Eisma port building / Mari Kurismaa ; kommenteerinud Krista Aren

    Index Scriptorium Estoniae

    Kurismaa, Mari, 1956-

    2015-01-01

    Eluruumid Eisma sadamahoones (Eisma küla, Vihula vald, Lääne-Virumaa). Sisekujunduse autorid Mari Kurismaa, Indrek Allmann; arhitekt Indrek Allmann (AB Pluss). Eesti Sisearhitektide Liidu aastapreemia 2014/2015 parima kodu eest. Lühidalt Mari Kurismaast ja Indrek Allmannist

  19. Mari Koger : "Arhitekte on palju. Tuleb leida õige" / Gitte Hint

    Index Scriptorium Estoniae

    Hint, Gitte

    2003-01-01

    Mari Koger (sünd. 1973) kodu kujundamisest, planeerimisest, valgustusest, värvidest, suhtlemisest kliendiga. Mari Kogerist, loetletud tema tehtud ühiskondlike ruumide sisekujundused aastast 2002. M. Koger töötab Boom.ee OÜ-s. Ill.: M. Kogeri värv. portree

  20. 33 CFR 117.653 - St. Mary's Falls Canal.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false St. Mary's Falls Canal. 117.653 Section 117.653 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Michigan § 117.653 St. Mary's Falls Canal. The draw...

  1. On classical solutions of the relativistic Vlasov-Klein-Gordon system

    Directory of Open Access Journals (Sweden)

    Michael Kunzinger

    2005-01-01

    Full Text Available We consider a collisionless ensemble of classical particles coupled with a Klein-Gordon field. For the resulting nonlinear system of partial differential equations, the relativistic Vlasov-Klein-Gordon system, we prove local-in-time existence of classical solutions and a continuation criterion which says that a solution can blow up only if the particle momenta become large. We also show that classical solutions are global in time in the one-dimensional case.

  2. Global existence and asymptotic behavior of solutions for the coupled Klein-Gordon-Schrodinger equations

    Institute of Scientific and Technical Information of China (English)

    郭柏灵; 苗长兴

    1995-01-01

    The final value problem for the classical coupled Klein-Gordon-Schrodinger equations is studied in . This leads to the construction of the modified wave operator Ω, for certain scattered data. When initial functions belong to (Ω) which denotes the range domain of Ω, the global existence and asymptotic behavior of solutions of Cauchy problem tor the coupled Klein-Gordon-Schrodinger equations are proved.

  3. Dynamical fermion masses under the influence of Kaluza-Klein fermions in extradimensions

    OpenAIRE

    Abe, Hiroyuki; Miguchi, Hironori; Muta, Taizo

    2000-01-01

    The dynamical fermion mass generation in the 4-dimensional brane is discussed in a model with 5-dimensional Kaluza-Klein fermions in interaction with 4-dimensional fermions. It is found that the dynamical fermion masses are generated beyond the critical radius of the compactified extra dimensional space and may be made small compared with masses of the Kaluza-Klein modes. 04.50.th, 04.60.-m, 11.15.Pg, 11.30.Qc

  4. Ser bibliotecario, una profesión radical: una conferencia de Naomi Klein

    OpenAIRE

    Martin Valdunciel, M. Engracia

    2012-01-01

    This paper aims to spread, translated into Spanish, a lecture, given by a Canadian journalist Naomi Klein in Toronto, Canada, in 2003. Klein warns us the threat that the neoliberal policies of the World Trade Organization and the General Agreement on Trade in Services pose to the survival of public services, in particular, for libraries, public spaces, in contrast to the private areas, restricted to consumers. The aim of this work is to raise awareness of the situation and a critical debat...

  5. Klein Paradox for the Bosonic Equation in the Presence of Minimal Length

    Science.gov (United States)

    Falek, M.; Merad, M.; Moumni, M.

    2015-05-01

    We present an exact solution of the one-dimensional modified Klein Gordon and Duffin Kemmer Petiau (for spins 0 and 1) equations with a step potential in the presence of minimal length in the uncertainty relation, where the expressions of the new transmission and reflection coefficients are determined for all cases. As an application, the Klein paradox in the presence of minimal length is discussed for all equations.

  6. GLOBAL WELL-POSEDNESS FOR THE KLEIN-GORDON EQUATION BELOW THE ENERGY NORM

    Institute of Scientific and Technical Information of China (English)

    Miao Changxing; Zhang Bo; Fang Daoyuan

    2004-01-01

    We study global well-posedness below the energy norm of the Cauchy problem for the Klein-Gordon equation in Rn with n≥ 3. By means of Bourgain's method along with the endpoint Strichartz estimates of Keel and Tao, we prove the Hs-global well-posedness with s < 1 of the Cauchy problem for the Klein-Gordon equation. This we do by establishing a series of nonlinear a priori estimates in the setting of Besov spaces.

  7. Hartmann势的Klein-Gordon方程的束缚态解%Bound states solutions of the Klein-Gordon equation with Hartmann potential

    Institute of Scientific and Technical Information of China (English)

    陈子栋

    2005-01-01

    讨论了Hartmann型标量势与矢量势相等的条件下Klein-Gordon方程的束缚态解.对变量分离后的角向θ和径向r的Klein-Gordon方程应用级数解法.结果表明,径向波函数可用广义Laguerre多项式表示,角向波函数可用超几何函数表示,并给出了归一化的波函数.

  8. Roadmap to MaRIE March 2015

    Energy Technology Data Exchange (ETDEWEB)

    Barnes, Cris William [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

    2015-03-30

    Los Alamos National Laboratory’s proposed MaRIE facility is slated to introduce the world’s highest energy hard x-ray free electron laser (XFEL). As the light source for the Matter-Radiation Interactions in Extremes experimental facility (MaRIE), the 42-keV XFEL, with bursts of x-ray pulses at gigahertz repetition for studying fast dynamical processes, will help accelerate discovery and design of the advanced materials needed to meet 21st-century national security and energy security challenges. Yet the science of free-electron lasers has a long and distinguished history at Los Alamos National Laboratory (LANL), where for nearly four decades Los Alamos scientists have been performing research, design, development, and collaboration work in FEL science. The work at Los Alamos has evolved from low-gain amplifier and oscillator FEL development to highbrightness photoinjector development, and later, self-amplified spontaneous emission (SASE) and high-gain amplifier FEL development.

  9. Cosmic Super-Strings and Kaluza-Klein Modes

    CERN Document Server

    Dufaux, Jean-Francois

    2011-01-01

    Cosmic super-strings interact generically with a tower of relatively light and / or strongly coupled Kaluza-Klein (KK) modes associated with the geometry of the internal space. In this paper, we study the production of spin-2 KK particles by cusps on loops of cosmic F- and D-strings. We consider cosmic super-strings localized either at the bottom of a warped throat or in a flat internal space with large volume. The total energy emitted by cusps in KK modes is of the same order of magnitude in both cases, although the number of produced KK modes may differ significantly. The calculation lies within the regime of validity of the effective Nambu-Goto description, but the energy emitted in KK modes is comparable to the energy released in scalar and gauge fields by cusp annihilation on standard Abelian-Higgs cosmic strings. Nevertheless, KK emission by cosmic super-strings may have specific cosmological consequences. We show that it is constrained by the diffuse gamma ray background and by the photo-dissociation o...

  10. Cosmic Super-Strings and Kaluza-Klein Modes

    CERN Document Server

    Dufaux, Jean-Francois

    2012-01-01

    Cosmic super-strings interact generically with a tower of relatively light and/or strongly coupled Kaluza-Klein (KK) modes associated with the geometry of the internal space. In this paper, we study the production of spin-2 KK particles by cusps on loops of cosmic F- and D-strings. We consider cosmic super-strings localized either at the bottom of a warped throat or in a flat internal space with large volume. The total energy emitted by cusps in KK modes is comparable in both cases, although the number of produced KK modes may differ significantly. We then show that KK emission is constrained by the photo-dissociation of light elements and by observations of the diffuse gamma ray background. We study the resulting constraints on the parameter space of cosmic super-strings and highlight their complementarity with the regions that can be probed by current and upcoming gravitational wave experiments. KK modes are also expected to play an important role in the friction-dominated epoch of cosmic super-string evolu...

  11. Klein tunneling and supercollimation of pseudospin-1 photons

    CERN Document Server

    Fang, A; Louie, Steven G; Chan, C T

    2016-01-01

    Pseudospin plays a central role in many novel physical properties of graphene and other artificial systems which have pseudospins of 1/2. Here we show that in certain photonic crystals (PCs) exhibiting conical dispersions at k = 0, the eigenmodes near the "Dirac-like point" can be described by an effective spin-orbit Hamiltonian with a pseudospin of 1, treating wave propagations in the upper cone, the lower cone and a flat band (corresponding to zero refractive index) within a unified framework. The 3-component spinor gives rise to boundary conditions distinct from those of pseudospin-1/2, leading to new wave transport behaviors as manifested in Klein tunneling and supercollimation. For example, collimation can be realized more easily with pseudospin-1 than pseudospin-1/2. The special wave scattering properties of pseudospin-1 photons, coupled with the discovery that the effective photonic "potential" can be varied by a simple change of length scale, may offer new ways to control photon transport.

  12. Klein-Gordon-Wheeler-DeWitt-Schroedinger Equation

    CERN Document Server

    Pavsic, Matej

    2011-01-01

    We start from the Einstein-Hilbert action for the gravitational field in the presence of a point particle source, and cast the action into the corresponding phase space form. The dynamical variables of such a system satisfy the point particle mass shell constraint, the Hamilton and the momentum constraints of the canonical gravity. In the quantized theory, those constraints become operators that annihilate a state. A state can be represented by a wave functional $\\Psi$ that simultaneously satisfies the Klein-Gordon and the Wheeler-DeWitt-Schr\\"odinger equation. The latter equation, besides the term due to gravity, also contains the Schr\\"odinger like term, namely the derivative of $\\Psi$ with respect to time, that occurs because of the presence of the point particle. The particle's time coordinate, $X^0$, serves the role of time. Next, we generalize the system to $p$-branes, and find out that for a quantized spacetime filling brane there occurs an effective cosmological constant, proportional to the expectati...

  13. Kleine-Levin syndrome: Etiology, diagnosis, and treatment

    Directory of Open Access Journals (Sweden)

    Ramdurg Santosh

    2010-01-01

    Full Text Available Kleine-Levin syndrome (KLS is a rare sleep disorder mainly affecting teenage boys in which the main features are intermittent hypersomnolence, behavioral and cognitive disturbances, hyperphagia, and in some cases hypersexuality. Each episode is of brief duration varying from a week to 1-2 months and affected people are entirely asymptomatic between episodes. No definite cause has been identified, and no effective treatments are available even though illness is having well-defined clinical features. Multiple relapses occur every few weeks or months, and the condition may last for a decade or more before spontaneous resolution. In this study, PubMed was searched and appropriate articles were reviewed to highlight etiology, clinical features, and management of KLS. On the basis of this knowledge, practical information is offered to help clinicians about how to investigate a case of KLS, and what are the possible treatment modalities available currently for the treatment during an episode and interepisodic period for prophylaxis. Comprehensive research into the etiology, pathophysiology, investigation, and treatments are required to aid the development of disease-specific targeted therapies.

  14. Finite temperature Casimir effect in Kaluza-Klein spacetime

    Energy Technology Data Exchange (ETDEWEB)

    Teo, L.P. [Faculty of Information Technology, Multimedia University, Jalan Multimedia, Cyberjaya, 63100 Selangor Darul Ehsan (Malaysia)], E-mail: lpteo@mmu.edu.my

    2009-10-01

    In this article, we consider the finite temperature Casimir effect in Kaluza-Klein spacetime due the vacuum fluctuation of massless scalar field with Dirichlet boundary conditions. We consider the general case where the extra dimensions (internal space) can be any compact connected manifold or orbifold without boundaries. Using piston analysis, we show that the Casimir force is always attractive at any temperature, regardless of the geometry of the internal space. Moreover, the magnitude of the Casimir force increases as the size of the internal space increases and it reduces to the Casimir force in (3+1)-dimensional Minkowski spacetime when the size of the internal space shrinks to zero. In the other extreme where the internal space is large, the Casimir force can increase beyond all bound. Asymptotic behaviors of the Casimir force in the low and high temperature regimes are derived and it is observed that the magnitude of the Casimir force grows linearly with temperature in the high temperature regime.

  15. Thermodynamics, Euclidean Gravity and Kaluza-Klein Reduction

    CERN Document Server

    Fursaev, D V

    2001-01-01

    The aim of this paper is to find out a correspondence between one-loop effective action $W_E$ defined by means of path integral in Euclidean gravity and the free energy $F$ obtained by summation over the modes. The analysis is given for quantum fields on stationary space-times of a general form. For such problems a convenient procedure of a "Wick rotation" from Euclidean to Lorentzian theory becomes quite non-trivial implying transition from one real section of a complexified space-time manifold to another. We formulate conditions under which $F$ and $W_E$ can be connected and establish an explicit relation of these functionals. Our results are based on the Kaluza-Klein method which enables one to reduce the problem on a stationary space-time to equivalent problem on a static space-time in the presence of a gauge connection. As a by-product, we discover relation between the asymptotic heat-kernel coefficients of elliptic operators on a $D$ dimensional stationary space-times and the heat-kernel coefficients of...

  16. Teleparallel Conformal Invariant Models induced by Kaluza-Klein Reduction

    CERN Document Server

    Geng, Chao-Qiang

    2016-01-01

    We study the extensions of teleparallism in the Kaluza-Klein (KK) scenario by writing the analogous form to the torsion scalar $T_{\\text{NGR}}$ in terms of the corresponding antisymmetric tensors, given by $T_{\\text{NGR}} = a\\,T_{ijk} \\, T^{ijk} + b\\,T_{ijk} \\,T^{kji} + c\\,T^{j}{}_{ji} \\, T^{k}{}_{k}{}^{i}$, in the four-dimensional New General Relativity (NGR) with arbitrary coefficients $a$, $b$ and $c$. After the KK dimensional reduction, the Lagrangian in the Einstein-frame can be realized by taking $2a+b+c=0$ with the ghost-free condition $c\\leq0$ for the one-parameter family of teleparallelism. We demonstrate that the conformal invariant gravity models can be constructed by the requirement of $2a+b+4c=0$ or $2a+b=0$. In particular, this conformal gravity is described on the Weyl-Cartan geometry $Y_4$ with the ghost-free condition $c>0$. We also consider the weak field approximation and discuss the non-minimal coupled term of the scalar current and torsion vector. For the conformal invariant models with $...

  17. Direct Detection of Kaluza-Klein Particles in Neutrino Telescopes

    CERN Document Server

    Albuquerque, Ivone F M; Krenke, Christopher A; Nosratpour, Baran

    2008-01-01

    In theories with universal extra dimensions (UEDs), all standard model fields propagate in the bulk and the lightest state of the first Kaluza-Klein (KK) level can be made stable by imposing a Z2 parity. We consider a framework where the lightest KK particle (LKP) is a neutral, extremely weakly interacting particle such as the first KK excitation of the graviton, while the next-to-lightest KK particle (NLKP) is the first KK mode of a charged right-handed lepton. In such a scenario, due to its very small couplings to the LKP, the NLKP is long-lived. We investigate the production of these particles from the interaction of high energy neutrinos with nucleons in the Earth, and determine the rate of NLKP events in neutrino telescopes. Using the Waxman-Bahcall limit for the neutrino flux, we find that the rate can be as large as a few hundreds events a year for realistic values of the NLKP mass.

  18. Melanie Klein in Buenos Aires: beginnings and developments.

    Science.gov (United States)

    Etchegoyen, R Horacio; Zysman, Samuel

    2005-06-01

    In the first decades of the 20th century, Freud was known and quoted in Latin America by an elite of enlightened minds. In the 1940s a convergence took place in Buenos Aires of European exiles with local pioneers, and thus the Argentine Psychoanalytical Association was founded in 1942. Since then psychoanalysis has grown steadily and has spread into hospitals and universities, influencing culture at large. The socioeconomic situation of that time permitted this phenomenon to develop, to the astonishment of observers. In this paper the authors study the strong influence of Kleinian thought during the first 30 years of this development. The original works of local thinkers constitute the intellectual capital that sustains the idea of an 'Argentine psychoanalytic school'. During the 1970s, both society and psychoanalysis endured deep and complex changes. Lacan's teachings gained support and Klein's influence began to decline. At present the Buenos Aires Kleinians keep working, while their relationship with Lacanians and other schools is calmer. Respectful discussions became thus possible, oriented to strictly scientific differences.

  19. FRT Quantization Theory for the Nonsemisimple Cayley-Klein Groups

    CERN Document Server

    Gromov, N A; Kuratov, V V

    1997-01-01

    The quantization theory of the simple Lie groups and algebras was developed by Faddeev-Reshetikhin-Takhtadjan (FRT). In group theory there is a remarkable set of groups, namely the motion groups of n-dimensional spaces of constant curvature or the orthogonal Cayley-Klein (CK) groups. In some sense the CK groups are in the nearest neighborhood with the simple ones. The well known groups of physical interest such as Euclidean E(n), Poincare P(n), Galileian G(n) and other nonsemisimple groups are in the set of CK groups. But many standart algebraical costructions are not suitable for the nonsemisimple groups and algebras, in particular Killing form is degenerate, Cartan matrix do not exist. Nevertheless it is possible to describe and to quantize all CK groups and algebras, as it was made for the simple ones. The principal proposal is to consider CK groups as the groups over an associative algebra $D$ with nilpotent commutative generators and the corresponding quantum CK groups as the algebra of noncommutative fu...

  20. Moved by Mary: The power of pilgrimage in the modern world

    NARCIS (Netherlands)

    Hermkens, A.K.; Jansen, W.H.M.; Notermans, C.D.

    2009-01-01

    The Virgin Mary continues to attract devotees to her images and shrines. In Moved by Mary, anthropologists, geographers and historians explore how people and groups around the world identify and join with Mary in their struggle against social injustice, and how others mobilize Mary to impose ideas a

  1. Interval arithmetic in calculations

    Science.gov (United States)

    Bairbekova, Gaziza; Mazakov, Talgat; Djomartova, Sholpan; Nugmanova, Salima

    2016-10-01

    Interval arithmetic is the mathematical structure, which for real intervals defines operations analogous to ordinary arithmetic ones. This field of mathematics is also called interval analysis or interval calculations. The given math model is convenient for investigating various applied objects: the quantities, the approximate values of which are known; the quantities obtained during calculations, the values of which are not exact because of rounding errors; random quantities. As a whole, the idea of interval calculations is the use of intervals as basic data objects. In this paper, we considered the definition of interval mathematics, investigated its properties, proved a theorem, and showed the efficiency of the new interval arithmetic. Besides, we briefly reviewed the works devoted to interval analysis and observed basic tendencies of development of integral analysis and interval calculations.

  2. Rezension zu: Julia Kristeva: Das weibliche Genie – Melanie Klein. Gießen: Psychosozial-Verlag 2008

    Directory of Open Access Journals (Sweden)

    Lilli Gast

    2009-07-01

    Full Text Available Julia Kristeva widmet sich im zweiten Teil ihrer Trilogie über das weibliche Genie dem Leben und Werk von Melanie Klein, die mit ihren Arbeiten über die früheste Verfasstheit des Psychischen das psychoanalytische Denken für die Psychosen und den Wahn aufschloss und die Rolle des Mütterlichen im psychoanalytischen Diskurs neu definierte. In ihrer Auseinandersetzung mit Klein gelingt Kristeva nicht nur eine ausgesprochen gelungene Einführung in Kleins Denken, sondern auch eine Analyse weiblicher Intellektualität im 20. Jahrhundert. Zudem werden die Schnittstellen im Denken Kleins und Kristevas sichtbar.

  3. Diagnosis of Charcot-Marie-Tooth Disease

    Directory of Open Access Journals (Sweden)

    Isabel Banchs

    2009-01-01

    Full Text Available Charcot-Marie-Tooth (CMT disease or hereditary motor and sensory neuropathy (HMSN is a genetically heterogeneous group of conditions that affect the peripheral nervous system. The disease is characterized by degeneration or abnormal development of peripheral nerves and exhibits a range of patterns of genetic transmission. In the majority of cases, CMT first appears in infancy, and its manifestations include clumsiness of gait, predominantly distal muscular atrophy of the limbs, and deformity of the feet in the form of foot drop. It can be classified according to the pattern of transmission (autosomal dominant, autosomal recessive, or X linked, according to electrophysiological findings (demyelinating or axonal, or according to the causative mutant gene. The classification of CMT is complex and undergoes constant revision as new genes and mutations are discovered. In this paper, we review the most efficient diagnostic algorithms for the molecular diagnosis of CMT, which are based on clinical and electrophysiological data.

  4. Mary Wigman: the coreography of Carmina Burana

    Directory of Open Access Journals (Sweden)

    Elena Randi

    2012-11-01

    Full Text Available This essay analyses the choreography of Mary Wigman’s Carmina Burana (1955, music by Orff, whose substantial outline Randi can reconstruct primarily through the drawings, partially unpublished, Wigman made to write down the different passages of her dance score. Randi thinks that the characters must not be seen as realistic and that they are the projections of the Vagabond, whose quest is supposed to be the theme underlining the story. The theme of destiny – a destiny on which man has very little or no control – is dominant. The end of the choreography seems to clarify that the self’s quest consists in piétiner sur place: our actions are inevitably sucked under by a whirlpool (represented by the wheel of Fortune choreographically rendered by the figure of the circle and they are unable to bring any significant change. 

  5. Update on Charcot-Marie-Tooth Disease

    Science.gov (United States)

    Patzkó, Ágnes; Shy, Michael E.

    2011-01-01

    Charcot-Marie-Tooth disease (CMT) disease encompasses a genetically heterogeneous group of inherited neuropathies, also known as hereditary motor and sensory neuropathies. CMT results from mutations in more than 40 genes expressed in Schwann cells and neurons causing overlapping phenotypes. The classic CMT phenotype reflects length-dependent axonal degeneration characterized by distal sensory loss and weakness, deep tendon reflex abnormalities, and skeletal deformities. Recent articles have provided insight into the molecular pathogenesis of CMT, which, for the first time, suggest potential therapeutic targets. Although there are currently no effective medications for CMT, multiple clinical trials are ongoing or being planned. This review will focus on the underlying pathomechanisms and diagnostic approaches of CMT and discuss the emerging therapeutic strategies. PMID:21080241

  6. The life and legacy of Marie Curie.

    Science.gov (United States)

    Rockwell, Sara

    2003-01-01

    Marie Curie was a remarkable woman whose discoveries broke new ground in physics and chemistry and also opened the door for advances in engineering, biology, and medicine. She broke new ground for women in science: she was, for example, the first woman to receive a doctor of science degree in France, the first woman to win Nobel Prize, the first woman to lecture at the Sorbonne, the first person to win two Nobel Prizes, and the first Nobel Laureate whose child also won a Nobel Prize. Her life offers insights into the changing role of women in science and academia over the past century. It also offers examples of many ways in which scientists can, and should, work to improve the educational programs and career opportunities available to those who follow in their footsteps.

  7. Tallinna Kooli kroonika = Chronicle of the Tallinn school / interv. Andres Kurg, Mari Laanemets

    Index Scriptorium Estoniae

    2008-01-01

    Näitusel osalejad vastavad küsimustele: 1.Millised märksõnad seostuvad teil Tallinna Kooliga? 2. Milline teie enda töödest väljendab seda mentaliteeti kõige paremini? 3. Millist projekti/ehitist/teost Tallinna Kooli arhitektide töödest sellele lisaks peate ajastu manifestiks? 4. Millal ja kuidas formeerus Tallinna Kool ning millal ja mis asjaoludel teie sellega liitusite?

  8. Iga 20 km järel erateater / Harald Redmer, Frank Heuel ; interv. Mari Kolle

    Index Scriptorium Estoniae

    Redmer, Harald

    2002-01-01

    18.-21. veebr. viibisid Eestis külalised saksa erateatritest - näitleja ja produtsent H. Redmer teatrist phoenix 5 Münsterist ja teatri fringe-ensemble lavastaja ning kunstiline juht F. Heuel Bonnist

  9. Tallinna Kooli kroonika = Chronicle of the Tallinn school / interv. Andres Kurg, Mari Laanemets

    Index Scriptorium Estoniae

    2008-01-01

    Näitusel osalejad vastavad küsimustele: 1.Millised märksõnad seostuvad teil Tallinna Kooliga? 2. Milline teie enda töödest väljendab seda mentaliteeti kõige paremini? 3. Millist projekti/ehitist/teost Tallinna Kooli arhitektide töödest sellele lisaks peate ajastu manifestiks? 4. Millal ja kuidas formeerus Tallinna Kool ning millal ja mis asjaoludel teie sellega liitusite?

  10. "Kui lootust poleks, võiks ju kohe maha surra" / Marjane Satrapi ; interv. Mari Laaniste

    Index Scriptorium Estoniae

    Satrapi, Marjane, 1969-

    2008-01-01

    Iraani koomiksikunstnik Marjane Satrapi (sünd. 1969) räägib kultuuridevahelisest dialoogist, usufanatismist, oma elust ja tööst, autobiograafilisest koomiksiraamatust "Persepolis". Raamatu animafilmi-versioon esilinastus 2007. aastal Cannes'i filmifestivalil

  11. Veel kord Eesti kujundist / Ando Keskküla ; interv. Mari Laaniste

    Index Scriptorium Estoniae

    Keskküla, Ando, 1950-2008

    1998-01-01

    Lissaboni maailmanäituse Eesti ekspositsiooni kontseptsiooni autor selgitab oma nägemust. Erinevustest praeguse ja Sevilla ekspositsiooni vahel. Hinnangutest meie ekspositsioonile ja vastukajadest. Koostööd tegid elektroonikud-programmeerijad Kalle Tiismaa ja Toomas Vinter

  12. Iga 20 km järel erateater / Harald Redmer, Frank Heuel ; interv. Mari Kolle

    Index Scriptorium Estoniae

    Redmer, Harald

    2002-01-01

    18.-21. veebr. viibisid Eestis külalised saksa erateatritest - näitleja ja produtsent H. Redmer teatrist phoenix 5 Münsterist ja teatri fringe-ensemble lavastaja ning kunstiline juht F. Heuel Bonnist

  13. Symmetry analysis of the Klein-Gordon equation in Bianchi I spacetimes

    Science.gov (United States)

    Paliathanasis, A.; Tsamparlis, M.; Mustafa, M. T.

    2015-02-01

    In this work we perform the symmetry classification of the Klein-Gordon equation in Bianchi I spacetime. We apply a geometric method which relates the Lie symmetries of the Klein-Gordon equation with the conformal algebra of the underlying geometry. Furthermore, we prove that the Lie symmetries which follow from the conformal algebra are also Noether symmetries for the Klein-Gordon equation. We use these results in order to determine all the potentials in which the Klein-Gordon admits Lie and Noether symmetries. Due to the large number of cases and for easy reference the results are presented in the form of tables. For some of the potentials we use the Lie admitted symmetries to determine the corresponding invariant solution of the Klein-Gordon equation. Finally, we show that the results also solve the problem of classification of Lie/Noether point symmetries of the wave equation in Bianchi I spacetime and can be used for the determination of invariant solutions of the wave equation.

  14. Symmetry analysis of the Klein-Gordon equation in Bianchi I spacetimes

    CERN Document Server

    Paliathanasis, A; Mustafa, M T

    2014-01-01

    In this work we perform the symmetry classification of the Klein Gordon equation in Bianchi I spacetime. We apply a geometric method which relates the Lie symmetries of the Klein Gordon equation with the conformal algebra of the underlying geometry. Furthermore, we prove that the Lie symmetries which follow from the conformal algebra are also and Noether symmetries for the Klein Gordon equation. We use these resutls in order to determine all the potentials in which the Klein Gordon admits Lie and Noether symmetries. Due to the large number of cases and for easy reference the results are presented in the form of tables. For some of the potentials we use the Lie admitted symmetries to determine the corresponding invariant solution of the Klein Gordon equation. Finally, we show that the results also solve the problem of classification of Lie/Noether point symmetries of the wave equation in Bianchi I spacetime and can be used for the determination of invariant solutions of the wave equation.

  15. Angular Momentum-Free of the Entropy Relations for Rotating Kaluza-Klein Black Holes

    Science.gov (United States)

    Liu, Hang; Meng, Xin-he

    2017-02-01

    Based on a mathematical lemma related to the Vandermonde determinant and two theorems derived from the first law of black hole thermodynamics, we investigate the angular momentum independence of the entropy sum as well as the entropy product of general rotating Kaluza-Klein black holes in higher dimensions. We show that for both non-charged rotating Kaluza-Klein black holes and non-charged rotating Kaluza-Klein-AdS black holes, the angular momentum of the black holes will not be present in entropy sum relation in dimensions d≥4, while the independence of angular momentum of the entropy product holds provided that the black holes possess at least one zero rotation parameter a j = 0 in higher dimensions d≥5, which means that the cosmological constant does not affect the angular momentum-free property of entropy sum and entropy product under the circumstances that charge δ=0. For the reason that the entropy relations of charged rotating Kaluza-Klein black holes as well as the non-charged rotating Kaluza-Klein black holes in asymptotically flat spacetime act the same way, it is found that the charge has no effect in the angular momentum-independence of entropy sum and product in asymptotically flat spactime.

  16. A neurose obsessiva sob a ótica de Melanie Klein

    Directory of Open Access Journals (Sweden)

    Marcos Leandro Klipan

    2012-12-01

    Full Text Available Essa pesquisa aborda o tema 'neurose obsessiva' na obra de Melanie Klein. Assim, foi possível estudar um panorama histórico da construção do pensamento dessa autora - tendo em vista que seguimos um itinerário cronológico de seus textos - e, como consequência importante, obter uma dimensão epistemológica dessa construção. Isso porque a neurose obsessiva constitui-se como um destacado elemento organizador da obra de Klein, sobretudo nas décadas de 1920 e 1930, período que marcou o atendimento dos primeiros pacientes da autora que, em sua maioria, eram crianças que sofriam de neurose obsessiva.The obsessive neurosis from Melanie Klein's optic. This research focuses on obsessive neurosis in Melanie Klein's. Thus, it was also possible to study a historical broad view of the construction of this author's thought, having in mind that a chronological itinerary was followed, and, as an important consequence, an epistemological dimension of this construction was obtained. This was so because the obsessive neurosis constitutes an outstanding organizing element in Klein's work, mainly in the 1920's and 30's. This time was marked by the observation of the author's first patients, who were, in their majority, children suffering from obsessive neurosis.

  17. Melanie Klein and Repression: an examination of some unpublished Notes of 1934.

    Science.gov (United States)

    Hinshelwood, R D

    2006-01-01

    Fifteen pages of unpublished Notes were found in the Melanie Klein Archives dating from early 1934, a crucial moment in Klein's development. She was at this time, 1934, moving away from child analysis, whilst also rethinking and revising her allegiance to Karl Abraham's theory of the phases of libidinal development. These Notes, entitled "Early Repression Mechanism," show Klein struggling to develop what became her characteristic theories of the depressive position and the paranoid-schizoid position. Although these Notes are precursors of the paper Klein gave later to the IPA Congress in 1934, they also show the origins of the emphasis she and her followers eventually gave to "splitting" rather than repression. The Notes give us an insight into the way that she worked clinically at the time. We see Klein's confidence develop as she diverged from the classical theories and technique. Her ideas were based on close attention to the detail of her clinical material, rather than attacking theoretical problems directly. The Notes show her method of struggling to her own conclusions, and they offer us a chance to grasp the roots of the subsequent controversy over Kleinian thought.

  18. The origins of disquieting discoveries by Melanie Klein: the possible significance of the case of 'Erna'.

    Science.gov (United States)

    Frank, C; Weiss, H

    1996-12-01

    Using the example of the analysis of 6-year-old Erna, which extended over more than two years and was the longest treatment conducted by Melanie Klein in her Berlin years, the authors demonstrate the importance of her early child analyses for the development of some of her concepts and hence for a decisive advance in psychoanalysis itself. For this purpose they adduce unpublished original documents found among Klein's papers in London, which include autobiographical material, the text of her Würzburg lecture on her obsessional-neurotic little patient, handwritten session notes, and drawings by Erna herself. Although in the author's view Klein attempted to accommodate her findings within Freud's theoretical framework, her clinical experience of the psychic reality of the relational world of early oedipality eventually called for the introduction of new concepts. The combined parent figure, primary sadism, the paranoid-schizoid position, splitting, the relevance of the death drive to the superego, and later formulations on reparation, envy and gratitude are all shown to be foreshadowed in Klein's account of the treatment of Erna. After some retrospective considerations of Erna's analysis and a fleeting glimpse of Erna as an adult, the authors conclude by emphasising the significance of Klein's emigration to England for the subsequent flowering of her work.

  19. A bust of Marie Sklodowska Curie at CERN

    CERN Multimedia

    CERN PhotoLab

    1979-01-01

    The Polish Deputy Minister of Energy and Nuclear Power, J. Felicki, presented the Directors General with a bust of Mme Marie Sklodowska Curie on behalf of physicists of Poland (CERN Courier 19 (1979) 164).

  20. Mari Koger : seina sisse ehitatud akvaariumiga poissmehekodu / Gitte Hint

    Index Scriptorium Estoniae

    Hint, Gitte

    2003-01-01

    80-ruutmeetrine poissmehekorter Viimsi uues elamus. Elutoa ja vannitoa vahelises seinas paikneb kahelt poolt vaadeldav akvaarium. Magamistoa üks seintest on ehitatud vanadest tellistest. Sisearhitekt Mari Koger, tema kommentaarid. Ill.: plaan, 9 värv. vaadet

  1. Ämari baas sobib USA-le ja brittidele

    Index Scriptorium Estoniae

    2013-01-01

    Eelmisel nädalal Eestit külastanud USA ja Ühendkuningriigi sõjalised esindajad NATO juures kindralleitnandid David R. Hogg ja Christopher Harper kinnitasid, et on valmis oma lennukeid Ämari baasist opereerima

  2. Mary Carpenter: 19th Century English Correctional Education Hero.

    Science.gov (United States)

    Gehring, Thom; Bowers, Fredalene B.

    2003-01-01

    Describes Mary Carpenter's (1807-1877) work in prison reform and correctional education. Provides biographical information and selections from her writings. (Contains 11 references and a chronology of her work.) (JOW)

  3. Measuring Ankle Instability in Pediatric Charcot-Marie-Tooth Disease.

    Science.gov (United States)

    Mandarakas, Melissa; Hiller, Claire E; Rose, Kristy J; Burns, Joshua

    2013-11-01

    Children with Charcot-Marie-Tooth disease frequently suffer ankle sprain and experience chronic ankle instability; however, no pediatric self-reported measures of chronic ankle instability exist. The aim was to modify and validate the most reliable measure of chronic ankle instability in adults: the Cumberland Ankle Instability Tool. The Cumberland Ankle Instability Tool-Youth was tested for reliability, construct validity, and sensitivity to discriminate between 104 children aged 8 to 16 years: 31 children with Charcot-Marie-Tooth disease, 31 unaffected children with a history of ankle sprains, and 42 controls. Children with Charcot-Marie-Tooth disease had lower scores compared to unaffected children with a history of sprains (χ(2) = 15.10; P Charcot-Marie-Tooth disease.

  4. Mary Tyler Moore Helps Launch NIH MedlinePlus Magazine

    Science.gov (United States)

    ... Issues Mary Tyler Moore Helps Launch NIH MedlinePlus Magazine Past Issues / Winter 2007 Table of Contents For ... Javascript on. Among those attending the NIH MedlinePlus magazine launch on Capitol Hill were (l-r) NIH ...

  5. Deployment of Autonomous GPS Stations in Marie Byrd Land, Antartica

    Science.gov (United States)

    Donnellan, A.; Luyendyk, B.; Smith, M.; Dace, G.

    1999-01-01

    During the 1998-1999 Antarctic field season, we installed three autonomous GPS stations in Marie Byrd Land, West Antarctica to measure glacio-isostatic rebound and rates of spreading across the West Antartic Rift System.

  6. Anneli Remme soovitab : Kuninganna Mary elu ja surm / Anneli Remme

    Index Scriptorium Estoniae

    Remme, Anneli, 1968-

    2002-01-01

    Kontserdisarja "Hingemuusika" teist kontserti raamivad Henry Purcelli teosed, millest esimene on loodud kuninganna Mary sünnipäevaks, viimane matusetseremooniaks. Barokkansambli Corelli Consort esituses 26., 27., ja 28. apr. Viljandi, Tartu ja Tallinna kirikutes

  7. Marie Curie: In the Laboratory and on the Battlefield

    Science.gov (United States)

    Badash, Lawrence

    2003-07-01

    This year is the centennial of the Nobel Prize in Physics shared by Henri Becquerel and the Curies for their pioneering work on radioactivity. But Marie Curie's contribution to the medical use of x rays is not widely known.

  8. Raamatukogu esisele kerkib kevadel Marie Underi kuju / Andres Eilart

    Index Scriptorium Estoniae

    Eilart, Andres

    2009-01-01

    Skulptor Mati Karminil ja arhitekt Tiit Trummalil valmib valgest marmorist mälestusmärk Marie Underile. Kuju püstitatakse 2010. a. kevadel Eesti Rahvusraamatukogu ette. Alale on kavandatud ka veekaskaadid

  9. Anneli Remme soovitab : Kuninganna Mary elu ja surm / Anneli Remme

    Index Scriptorium Estoniae

    Remme, Anneli, 1968-

    2002-01-01

    Kontserdisarja "Hingemuusika" teist kontserti raamivad Henry Purcelli teosed, millest esimene on loodud kuninganna Mary sünnipäevaks, viimane matusetseremooniaks. Barokkansambli Corelli Consort esituses 26., 27., ja 28. apr. Viljandi, Tartu ja Tallinna kirikutes

  10. Marie Curie's Doctoral Thesis: Prelude to a Nobel Prize.

    Science.gov (United States)

    Wolke, Robert L.

    1988-01-01

    Traces the life and research techniques of Marie Curie's doctoral dissertation leading to the discovery and purification of radium from ore. Reexamines the discoveries of other scientists that helped lead to this separation. (ML)

  11. Anne-Marie Sargueil: ilu on kasulik / intervjueerinud Emilie Toomela

    Index Scriptorium Estoniae

    Sargueil, Anne-Marie

    2015-01-01

    Prantsuse Disainiinstituudi juht Anne-Marie Sargueil rääkis prantsuse ja skandinaavia disainist, prantslaste disainieelistustest, uutest suundadest disaini valdkonnas, Eesti Tarbekunsti- ja Disainimuuseumis avatud näitusest "20 prantsuse disainiikooni"

  12. Ämari baas sobib USA-le ja brittidele

    Index Scriptorium Estoniae

    2013-01-01

    Eelmisel nädalal Eestit külastanud USA ja Ühendkuningriigi sõjalised esindajad NATO juures kindralleitnandid David R. Hogg ja Christopher Harper kinnitasid, et on valmis oma lennukeid Ämari baasist opereerima

  13. Anne-Marie Sargueil: ilu on kasulik / intervjueerinud Emilie Toomela

    Index Scriptorium Estoniae

    Sargueil, Anne-Marie

    2015-01-01

    Prantsuse Disainiinstituudi juht Anne-Marie Sargueil rääkis prantsuse ja skandinaavia disainist, prantslaste disainieelistustest, uutest suundadest disaini valdkonnas, Eesti Tarbekunsti- ja Disainimuuseumis avatud näitusest "20 prantsuse disainiikooni"

  14. A jolly good call for Marie Curie Fellows

    CERN Multimedia

    2009-01-01

    A new funding opportunity to train young researchers has just been announced by the European Commission. One of the calls within FP7 Marie Curie Actions requests proposals for Initial Training Network (ITN) projects, with a deadline of 22 December 2009. Project proposals are strongly encouraged at CERN and authors can receive support and guidance from the Marie Curie Steering Group. Winnie Wong: "I wouldn’t have considered a PhD if I hadn’t been a Marie Curie fellow" Dan Savu: "It’s the best of both worlds: training plus working in an international organisation" ITN projects have one key aim: training. Academic and industrial partners work together to form a network to recruit and train Marie Curie Fellows. Fellows are young researchers (typically PhD-level) from any country who combine project-based research with tailor-made training programmes, ...

  15. Kaluza-Klein Masses and Couplings: Radiative Corrections to Tree-Level Relations

    CERN Document Server

    Bauman, Sky

    2011-01-01

    The most direct experimental signature of a compactified extra dimension is the appearance of towers of Kaluza-Klein particles obeying specific mass and coupling relations. However, such masses and couplings are subject to radiative corrections. In this paper, using techniques developed in previous work, we investigate the extent to which such radiative corrections deform the expected tree-level relations between Kaluza-Klein masses and couplings. As toy models for our analysis, we investigate a flat five-dimensional scalar \\lambda\\phi^4 model and a flat five-dimensional Yukawa model involving both scalars and fermions. In each case, we identify the conditions under which the tree-level relations are stable to one-loop order, and the situations in which radiative corrections modify the algebraic forms of these relations. Such corrections to Kaluza-Klein spectra therefore have the potential to distort the apparent geometry of a large extra dimension.

  16. What do Klein et al. tell us about test scores in Texas?

    Directory of Open Access Journals (Sweden)

    Laurence A. Toenjes

    2005-08-01

    Full Text Available A paper appearing in this journal by Klein, Hamilton, McCaffrey and Stecher (2000 attempted to raise serious questions about the validity of the gains in student performance as measured by Texas' standardized test, the Texas Assessment of Academic Skills (TAAS. Part of their analysis was based on the results of three tests which they administered to 2,000 fifth grade students in 20 Texas schools. Although Klein et al. indicated that the 20 schools were not selected in a way which would insure that they were representative of the nearly 3,000 Texas schools that enrolled fifth graders, generalizations based upon the results for those schools were nonetheless offered. The purpose of this short paper is to demonstrate just how unrepresentative the 20 schools used by Klein et al. actually were, and in so doing to cast doubt on certain of their conclusions.

  17. Melanie Klein and Anna Freud: the discourse of the early dispute.

    Science.gov (United States)

    Viner, R

    1996-01-01

    Divisions in the field of the psychoanalysis of children can be traced to a dispute over the infantile super-ego between the theorists Melanie Klein and Anna Freud beginning in 1927. These divisions are understood within the analytic world as the result of scientific disputation between alternative valid theories. An examination of the language, claims, and epistemology of Klein's and Freud's publications in 1927 that marked the public commencement of the conflict, reveals a personalized discourse in which authority was derived from the allegiance, experience, and personal analytic standing of the contestants as much as from theoretical insight. The structure and rhetoric of the debate suggest that, rather than terminating the dispute, the publications of 1927 served to encourage professionalization in child analysis and establish Anna Freud and Melanie Klein as authoritative alternative theorists.

  18. ASYMPTOTIC THEORY OF INITIAL VALUE PROBLEMS FOR NONLINEAR PERTURBED KLEIN-GORDON EQUATIONS

    Institute of Scientific and Technical Information of China (English)

    GAN Zai-hui; ZHANG Jian

    2005-01-01

    The asymptotic theory of initial value problems for a class of nonlinear perturbed Klein-Gordon equations in two space dimensions is considered. Firstly, using the contraction mapping principle, combining some priori estimates and the convergence of Bessel function, the well-posedness of solutions of the initial value problem in twice continuous differentiable space was obtained according to the equivalent integral equation of initial value problem for the Klein-Gordon equations. Next, formal approximations of initial value problem was constructed by perturbation method and the asymptotic validity of the formal approximation is got. Finally, an application of the asymptotic theory was given, the asymptotic approximation degree of solutions for the initial value problem of a specific nonlinear Klein-Gordon equation was analyzed by using the asymptotic approximation theorem.

  19. Familial recurrent hypersomnia: two siblings with Kleine-Levin syndrome and menstrual-related hypersomnia.

    Science.gov (United States)

    Rocamora, Rodrigo; Gil-Nagel, Antonio; Franch, Oriol; Vela-Bueno, Antonio

    2010-11-01

    Kleine-Levin syndrome and menstrual-related hypersomnia are rare idiopathic sleep disorders occurring primarily in adolescence. They are characterized by intermittent periods of excessive sleepiness, cognitive disturbances, and behavioral abnormalities. In both, the etiology remains unknown but autoinmune, hormonal, infectious, and inflammatory mechanisms have been proposed. The authors describe, for the first time, the association of Kleine-Levin syndrome and menstrual-related hypersomnia in 2 adolescent siblings who shared the human leukocyte antigen (HLA) loci DQB1*0501. The same haplotype has been associated with sleepwalking and with rapid eye movement (REM) sleep behavior disorder. This gender differences in the manifestation of a probably genetic influenced sleep disorder suggests that hormonal mechanisms could be implicated in the phenotypical expression of this sleep disorder. The male sibling with Kleine-Levin syndrome was easily controlled with carbamazepine in low doses, but his sister could be only efficaciously treated with oral contraceptives.

  20. Referrals to the Marie Curie nursing service in North Yorkshire.

    Science.gov (United States)

    Hanratty, B; Feather, J; Ward, C

    2000-01-01

    District and Marie Curie nurses participated in a small-scale study to describe referrals to a Marie Curie service in one English health district over a 3-month period. The number of new patients referred was small; they were geographically clustered and had widely differing life expectancies. Anecdotal reports of difficulties with the 'Nurselink' referral system were not confirmed, and in situations where the system was in operation, Marie Curie nurses were more likely to speak directly to the referring nurse. The most frequently cited reason for referral was general nursing needs; however, Marie Curie nurses felt that they were most often involved to provide family support. These findings suggest that there may not be a shared understanding of the Marie Curie nurse's role, and that equity in community palliative nursing care merits examination. Defining and publicizing the role of the Marie Curie nurse, providing guidance for referrals and prioritizing communication between professionals are proposed not only to enhance the service locally but to ensure that the service is available to all. This article illustrates the value of research to identify ways to improve service delivery.

  1. Big Boss Interval Games

    NARCIS (Netherlands)

    Alparslan-Gok, S.Z.; Brânzei, R.; Tijs, S.H.

    2008-01-01

    In this paper big boss interval games are introduced and various characterizations are given. The structure of the core of a big boss interval game is explicitly described and plays an important role relative to interval-type bi-monotonic allocation schemes for such games. Specifically, each element

  2. Strong Gravitational Lensing in a Charged Squashed Kaluza- Klein G\\"{o}del Black hole

    CERN Document Server

    Sadeghi, J

    2013-01-01

    In this paper we investigate the strong gravitational lansing in a charged squashed Kaluza-Klein G\\"{o}del black hole. The deflection angle is considered by the logarithmic term proposed by Bozza et al. Then we study the variation of deflection angle and its parameters $\\bar{a}$ and $\\bar{b}$ . We suppose that the supermassive black hole in the galaxy center can be considered by a charged squashed Kaluza-Klein black hole in a G\\"{o}del background and by relation between lensing parameters and observables we estimate the observables for different values of charge, extra dimension and G\\"{o}del parameters.

  3. Kaluza-Klein theories as a tool to find new gauge symmetries

    Science.gov (United States)

    Dolan, L.

    Non-abelian Kaluza-Klein theories are studied with respect to using the invariances of multi-dimensional general relativity to investigate hidden symmetry, such as Kac-Mody Lie algebras, of the four-dimensional Yang-Mills theory. Several properties of the affine transformations on the self-dual set are identified and are used to motivate the Kaluza-Klein analysis. In this context, a system of differential equations is derived for new symmetry transformations which may be extendable to the full gauge theory.

  4. Calvin Klein Collection零售旗舰店北京盛大开幕

    Institute of Scientific and Technical Information of China (English)

    张录音(译)

    2007-01-01

    Calvin Klein Collection零售旗舰店在北京盛大开幕。为特别配合这次晚宴而订制的家具摆设以及独特的空间设计、灰暗的灯光为晚宴现场营造出了高贵和优雅的氛围.清幽秀丽的百合花以及简洁的Calvin Klein Home家居用品将餐桌装点得分外别致.

  5. Abelian Yang-Mills Theory on Real Tori and Theta Divisors of Klein Surfaces

    Science.gov (United States)

    Okonek, Christian; Teleman, Andrei

    2013-11-01

    The purpose of this paper is to compute determinant index bundles of certain families of Real Dirac type operators on Klein surfaces as elements in the corresponding Grothendieck group of Real line bundles in the sense of Atiyah. On a Klein surface these determinant index bundles have a natural holomorphic description as theta line bundles. In particular we compute the first Stiefel-Whitney classes of the corresponding fixed point bundles on the real part of the Picard torus. The computation of these classes is important, because they control to a large extent the orientability of certain moduli spaces in Real gauge theory and Real algebraic geometry.

  6. Nonrelativistic gauged quantum mechanics: From Kaluza–Klein compactifications to Bargmann structures

    Energy Technology Data Exchange (ETDEWEB)

    Bargueño, Pedro, E-mail: p.bargueno@uniandes.edu.co

    2015-08-14

    Highlights: • Null compactification techniques are used to derive the nonrelativistic gauged Schrödinger equation. • Compactification of both Klein–Gordon and Maxwell theories are revisited. • Connections with Kaluza–Klein-like Bargmann frameworks are established. - Abstract: The Schrödinger equation for a spinless particle in presence of an external electromagnetic field is derived by means of null compactification of five dimensional massless Klein–Gordon theory and five–dimensional Maxwell electrodynamics. Connections with Kaluza–Klein-like Bargmann frameworks are established.

  7. Hawking Radiation of a Kaluza-Klein Black Hole Described by Landauer Transport Model

    Institute of Scientific and Technical Information of China (English)

    兰小刚; 韦联福

    2012-01-01

    We investigate the Hawking radiation of a Kaluza-Klein black hole by using one-dimensional(1D),non-equilibrium,Landauer transport model.The derived Hawking radiation temperature is in consistence with that obtained by using the usual anomaly method.With the Landauer transport model,we calculate the entropy flow out of the Kaluza-Klein black hole and the relevant entropy production rate.How these quantities depending on the physical parameters of the black hole is also discussed.

  8. Strong gravitational lensing in a charged squashed Kaluza–Klein Gödel black hole

    Energy Technology Data Exchange (ETDEWEB)

    Sadeghi, J., E-mail: pouriya@ipm.ir [Physics Department, Mazandaran University, P.O.Box 47416-95447, Babolsar (Iran, Islamic Republic of); Naji, J., E-mail: Naji_jalil@yahoo.com [Physics Department, Ilam University, P. O. Box 69315-516, Ilam (Iran, Islamic Republic of); Vaez, H., E-mail: h.vaez@umz.ac.ir [Physics Department, Mazandaran University, P.O.Box 47416-95447, Babolsar (Iran, Islamic Republic of); Young researchers club, Ayatollah Amoli branch, Islamic azad university, Amol (Iran, Islamic Republic of)

    2014-01-20

    In this Letter we investigate the strong gravitational lansing in a charged squashed Kaluza–Klein Gödel black hole. The deflection angle is considered by the logarithmic term proposed by Bozza et al. Then we study the variation of deflection angle and its parameters a{sup ¯} and b{sup ¯}. We suppose that the supermassive black hole in the galaxy center can be considered by a charged squashed Kaluza–Klein black hole in a Gödel background. Then by the relations between lensing parameters and observables, we estimate the observables for different values of charge, extra dimension and Gödel parameters.

  9. Strong gravitational lensing in a charged squashed Kaluza-Klein Gödel black hole

    Science.gov (United States)

    Sadeghi, J.; Naji, J.; Vaez, H.

    2014-01-01

    In this Letter we investigate the strong gravitational lansing in a charged squashed Kaluza-Klein Gödel black hole. The deflection angle is considered by the logarithmic term proposed by Bozza et al. Then we study the variation of deflection angle and its parameters abar and bbar. We suppose that the supermassive black hole in the galaxy center can be considered by a charged squashed Kaluza-Klein black hole in a Gödel background. Then by the relations between lensing parameters and observables, we estimate the observables for different values of charge, extra dimension and Gödel parameters.

  10. The Klein-Gordon and the Dirac Oscillators in a Noncommutative Space

    Institute of Scientific and Technical Information of China (English)

    B. Mirza; M. Mohadesi

    2004-01-01

    We study the Dirac and the Klein-Gordon oscillators in a noncommutative space. It is shown that the Klein-Gordon oscillator in a noncommutative space has a similar behaviour to the dynamics ofa particle in a commutative space and in a constant magnetic field. The Dirac oscillator in a noncommutative space has a similar equation to the equation of motion for a relativistic fermion in a commutative space and in a magnetic field, however a new exotic term appears, which implies that a charged fermion in a noncommutative space has an electric dipole moment.

  11. The Klein-Gordon and the Dirac Oscillators in a Noncommutative Space

    Institute of Scientific and Technical Information of China (English)

    B.Mirza; M.Mohadesi

    2004-01-01

    We study the Dirac and the Klein-Gordon oscillators in a noncommutative space. It is shown that the Klein-Gordon oscillator in a noncommutative space has a similar behaviour to the dynamics of a particle in a commutative space and in a constant magnetic field. The Dirac oscillator in a noncommutative space has a similar equation to the equation of motion for a relativistic fermion in a commutative space and in a magnetic field, however a new exotic term appears, which implies that a charged fermion in a noncommutative space has an electric dipole moment.

  12. Solutions for the Klein-Gordon and Dirac equations on the lattice based on Chebyshev polynomials

    CERN Document Server

    Faustino, Nelson

    2016-01-01

    The main goal of this paper is to adopt a multivector calculus scheme to study finite difference discretizations of Klein-Gordon and Dirac equations for which Chebyshev polynomials of the first kind may be used to represent a set of solutions. The development of a well-adapted discrete Clifford calculus framework based on spinor fields allows us to represent, using solely projection based arguments, the solutions for the discretized Dirac equations from the knowledge of the solutions of the discretized Klein-Gordon equation. Implications of those findings on the interpretation of the lattice fermion doubling problem is briefly discussed.

  13. Hydrodynamic representation of the Klein-Gordon-Einstein equations in the weak field limit

    CERN Document Server

    Suárez, Abril

    2015-01-01

    Using a generalization of the Madelung transformation, we derive the hydrodynamic representation of the Klein-Gordon-Einstein equations in the weak field limit. We consider a complex self-interacting scalar field with an arbitrary potential of the form $V(|\\varphi|^2)$. We compare the results with simplified models in which the gravitational potential is introduced by hand in the Klein-Gordon equation, and assumed to satisfy a (generalized) Poisson equation. Nonrelativistic hydrodynamic equations based on the Schr\\"odinger-Poisson equations or on the Gross-Pitaevskii-Poisson equations are recovered in the limit $c\\rightarrow +\\infty$.

  14. Hydrodynamic representation of the Klein-Gordon-Einstein equations in the weak field limit

    Science.gov (United States)

    Suárez, Abril; Chavanis, Pierre-Henri

    2015-11-01

    Using a generalization of the Madelung transformation, we derive the hydrodynamic representation of the Klein-Gordon-Einstein equations in the weak field limit. We consider a complex self-interacting scalar field with an arbitrary potential of the form V(|ϕ|2). We compare the results with simplified models in which the gravitational potential is introduced by hand in the Klein-Gordon equation, and assumed to satisfy a (generalized) Poisson equation. Nonrelativistic hydrodynamic equations based on the Schrodinger-Poisson equations or on the Gross-Pitaevskii-Poisson equations are recovered in the limit c → +∞.

  15. Exact Solutions of the Klein-Gordon Equation with a New Anharmonic Oscillator Potential

    Institute of Scientific and Technical Information of China (English)

    ZHANG Min-Cang; WANG Zhen-Bang

    2005-01-01

    @@ We solve the Klein-Gordon equation with a new anharmonic oscillator potential and present the exact solutions.It is shown that under the condition of equal scalar and vector potentials, the Klein-Gordon equation could be separated into an angular equation and a radial equation. The angular solutions are the associated-Legendre polynomial and the radial solutions are expressed in terms of the confluent hypergeometric functions. Finally,the energy equation is obtained from the boundary condition satisfied by the radial wavefunctions.

  16. Foundation of Euclidean and non-Euclidean geometries according to F. Klein

    CERN Document Server

    Redei, L; Stark, M

    1968-01-01

    Foundation of Euclidean and Non-Euclidean Geometries according to F. Klein aims to remedy the deficiency in geometry so that the ideas of F. Klein obtain the place they merit in the literature of mathematics.This book discusses the axioms of betweenness, lattice of linear subspaces, generalization of the notion of space, and coplanar Desargues configurations. The central collineations of the plane, fundamental theorem of projective geometry, and lines perpendicular to a proper plane are also elaborated. This text likewise covers the axioms of motion, basic projective configurations, properties

  17. Analytical solutions for Dirac and Klein-Gordon equations using Backlund transformations

    Energy Technology Data Exchange (ETDEWEB)

    Zabadal, Jorge R.; Borges, Volnei, E-mail: jorge.zabadal@ufrgs.br, E-mail: borges@ufrgs.br [Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS (Brazil). Dept. de Engenharia Mecanica; Ribeiro, Vinicius G., E-mail: vinicius_ribeiro@uniritter.edu.br [Centro Universitario Ritter dos Reis (UNIRITTER), Porto Alegre, RS (Brazil); Santos, Marcio, E-mail: marciophd@gmail.com [Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS (Brazil). Centro de Estudos Interdisciplinares

    2015-07-01

    This work presents a new analytical method for solving Klein-Gordon type equations via Backlund transformations. The method consists in mapping the Klein-Gordon model into a first order system of partial differential equations, which contains a generalized velocity field instead of the Dirac matrices. This system is a tensor model for quantum field theory whose space solution is wider than the Dirac model in the original form. Thus, after finding analytical expressions for the wave functions, the Maxwell field can be readily obtained from the Dirac equations, furnishing a self-consistent field solution for the Maxwell-Dirac system. Analytical and numerical results are reported. (author)

  18. Between practice and theory: Melanie Klein, Anna Freud and the development of child analysis.

    Science.gov (United States)

    Donaldson, G

    1996-04-01

    An examination of the early history of child analysis in the writings of Melanie Klein and Anna Freud reveals how two different and opposing approaches to child analysis arose at the same time. The two methods of child analysis are rooted in a differential emphasis on psychoanalytic theory and practice. The Kleinian method derives from the application of technique while the Anna Freudian method is driven by theory. Furthermore, by holding to the Freudian theory of child development Anna Freud was forced to limit the scope of child analysis, while Klein's application of Freudian practice has led to new discoveries about the development of the infant psyche.

  19. A neurose obsessiva sob a ótica de Melanie Klein

    OpenAIRE

    Marcos Leandro Klipan; Gustavo Adolfo Ramos Mello Neto

    2012-01-01

    Essa pesquisa aborda o tema 'neurose obsessiva' na obra de Melanie Klein. Assim, foi possível estudar um panorama histórico da construção do pensamento dessa autora - tendo em vista que seguimos um itinerário cronológico de seus textos - e, como consequência importante, obter uma dimensão epistemológica dessa construção. Isso porque a neurose obsessiva constitui-se como um destacado elemento organizador da obra de Klein, sobretudo nas décadas de 1920 e 1930, período que marcou o atendimento d...

  20. Analytical approximate solution for nonlinear space-time fractional Klein-Gordon equation

    Institute of Scientific and Technical Information of China (English)

    Khaled A.Gepreel; Mohamed S.Mohamed

    2013-01-01

    The fractional derivatives in the sense of Caputo and the homotopy analysis method are used to construct an approximate solution for the nonlinear space-time fractional derivatives Klein-Gordon equation.The numerical results show that the approaches are easy to implement and accurate when applied to the nonlinear space-time fractional derivatives KleinGordon equation.This method introduces a promising tool for solving many space-time fractional partial differential equations.This method is efficient and powerful in solving wide classes of nonlinear evolution fractional order equations.

  1. 广义非对称Hartmann势Klein-Gordon方程的严格解%Exact solution of Klein-Gordon equation for generalized asymmetrical Hartmann potentials

    Institute of Scientific and Technical Information of China (English)

    李中永; 郭建友

    2008-01-01

    Under the condition of an equal mixing of vector and scalar potentials, we have solved exactly the Klein Gordon equation in an asymmetrical generalized Hartmann potential. With the boundary conditions of bound states, we have obtained the corresponding energy spectrum via an expression and wave functions in terms of hypergeometric functions.%在标量势和矢量势相等的条件下,严格求解了在广义非对称Hartmann势场中粒子运动的Klein Gordon方程;并利用束缚态边界条件,获得了束缚态能谱表达式和由超几何函数表示出的波函数.

  2. Klein-Gordon-Schrodinger方程组的精确孤立波解%The Exact Solitary Wave Solution for the Klein- Gordon-Schrodinger Equations

    Institute of Scientific and Technical Information of China (English)

    夏静娜; 韩淑霞; 王明亮

    2002-01-01

    利用齐次平衡原则导出Klein-Gordom-Schrodinger方程组的精确孤立波解.该解在形式上比文献中纯理论的存在性证明的结果更一般,文献中的解的形式是该结果的特殊情形.

  3. GLOBAL SOLUTIONS OF NONLINEAR KLEIN-GORDON EQUATIONS WITH DOUBLE POTENTIALS%带双势的非线性Klein-Gordon 方程的整体解

    Institute of Scientific and Technical Information of China (English)

    甘在会; 张健

    2005-01-01

    本文研究一类带双势的非线性Klein-Gordon方程.根据基态的特征,用势井方法和凹方法证明了解爆破和整体存在的最佳条件.同时还证明了当初值为多小时,整体解存在.

  4. BOUND STATES OF KLEIN-GORDON EQUATION FOR HARTMANN SCALAR AND VECTOR POTENTIALS%Hartmann势Klein-Gordon方程的束缚态

    Institute of Scientific and Technical Information of China (English)

    陆法林

    2005-01-01

    By using the usual method of variable separation, bound states of Klein-Gordon equation with equal Hartmann scalar and vector potentials are solved. Properties of the system relate to three quantum numbers and parameters of Hartmann potential. The normalized angle wave function expressed in terms of the universal associated-Legendre polynomial and the normalized radial wave function expressed in terms of the confluent hypergeometric function are presented. The exacl energy spectrum equations are obtained. Bound states of Klein-Gordon equation for Hydrogen potential are special cases for the Hartmann potential in the Letter.%用分离变量方法讨论了在Hartmann标量势和矢量势相等条件下Klein-Gordon方程的束缚态解.体系的性质与三个量子数及Hartmann势的势参数有关.给出了用广义连带勒让得多项式表示的归一化角向波函数和用合流超几何函数表示的归一化径向波函数,获得了精确的束缚态能谱方程.氢原子势是本文Hartmann势的特例.

  5. [Pathology of Charcot-Marie-Tooth Disease].

    Science.gov (United States)

    Oka, Nobuyuki

    2016-01-01

    Although genetic testing is available, nerve biopsy is useful in selected patients for the diagnosis of Charcot-Marie-Tooth disease (CMT). These are sporadic cases of hereditary neuropathy, or familial cases in which genetic testing is negative. CMT is caused by mutations of various genes. The pathological features of CMT have mostly been investigated using nerve biopsy, which may shed light on the presumed functions of mutated gene products. PMP22 duplication in CMT1A induces numerous large onion bulb lesions (OB). Compared to chronic inflammatory demyelinating polyradiculoneuropathy, the differential features of CMT1A are patchy distribution of OB and non-inflammatory lesions. CMT1B also manifests as OB, but presents abnormal compaction of myelin sheaths caused by uncompacted myelin or excessive myelin folding. CMT2 includes axonal neuropathies and many causative genes have been found. CMT2A (MFN2 mutation) shows abnormal mitochondria with a spherical morphology instead of tubular in the longitudinal direction. CMT4 consists of autosomal recessive forms with demyelinating pathology. Most subtypes have mutations of genes relating to myelin maintenance, and pathologically, they show abnormal folding of the myelin structure.

  6. The interval ordering problem

    CERN Document Server

    Dürr, Christoph; Spieksma, Frits C R; Nobibon, Fabrice Talla; Woeginger, Gerhard J

    2011-01-01

    For a given set of intervals on the real line, we consider the problem of ordering the intervals with the goal of minimizing an objective function that depends on the exposed interval pieces (that is, the pieces that are not covered by earlier intervals in the ordering). This problem is motivated by an application in molecular biology that concerns the determination of the structure of the backbone of a protein. We present polynomial-time algorithms for several natural special cases of the problem that cover the situation where the interval boundaries are agreeably ordered and the situation where the interval set is laminar. Also the bottleneck variant of the problem is shown to be solvable in polynomial time. Finally we prove that the general problem is NP-hard, and that the existence of a constant-factor-approximation algorithm is unlikely.

  7. Symmetry Analysis of (2+1)-Dimensional Nonlinear Klein-Gordon Equations

    Institute of Scientific and Technical Information of China (English)

    唐晓艳; 楼森岳

    2002-01-01

    We have obtained two types of two-dimensional similarity reductions for the (2 +1)-dimensional Klein-Gordon system using the standard classical Lie group approach with computer algebra. The well-known one-dimensional reductions, radial and travelling reductions are equivalent to the two special cases of our general two-dimensional reductions.

  8. Single field inflationary models with non-compact Kaluza-Klein theory

    CERN Document Server

    Ledesma, D S; Ledesma, Diego S.; Bellini, Mauricio

    2004-01-01

    We discuss a semiclassical treatment to inflationary models from Kaluza-Klein theory without the cylinder condition. We conclude that the evolution of the early universe could be described by a geodesic trayectory of a cosmological 5D metric here proposed, so that the effective 4D FRW background metric should be a hypersurface on a constant fifth dimension.

  9. Verification of Compton Collision and Klein-Nishina Formulas--An Undergraduate Laboratory Experiment

    Science.gov (United States)

    Singhal, R. P.; Burns, A. J.

    1978-01-01

    Describes an experiment to verify the Compton collision formula and the angular dependance of the Klein-Nishina formula. Equipment used is a 1-mCi(137)Cs source, 2x2 in. NaI detector and a multichannel analyzer. Suitable for honor undergraduates. (Author/GA)

  10. Logical inference approach to relativistic quantum mechanics : Derivation of the Klein-Gordon equation

    NARCIS (Netherlands)

    Donker, H. C.; Katsnelson, M. I.; De Raedt, H.; Michielsen, K.

    The logical inference approach to quantum theory, proposed earlier De Raedt et al. (2014), is considered in a relativistic setting. It is shown that the Klein-Gordon equation for a massive, charged, and spinless particle derives from the combination of the requirements that the space-time data

  11. Oskar Klein, the sixth dimension and the strength of a magnetic pole

    CERN Document Server

    Sandoval-Villalbazo, A; García-Perciante, A L

    2003-01-01

    This work extends to six dimensions the idea first proposed by Klein regarding a closed space in the context of a fifth dimension and its link to quantum theory. The main result is a formula that expresses the value of the characteristic length of the sixth dimension in terms of the strength of a magnetic monopole $g$. Possible consequences of the idea are discussed.

  12. Reduced Loop Quantization with four Klein-Gordon Scalar Fields as Reference Matter

    CERN Document Server

    Giesel, Kristina

    2016-01-01

    In this paper we perform a reduced phase space quantization of gravity using four Klein-Gordon scalar fields as reference matter as an alternative to the Brown-Kucha\\v{r} dust model in [1] where eight (dust) scalar fields are used. We compare our results to an earlier model by Domagala et. al. [2] where only one Klein-Gordon scalar field was considered as reference matter for the Hamiltonian constraint. As a result we find that the choice of four Klein-Gordon scalar fields as reference matter leads to a reduced dynamical model that cannot be quantized using loop quantum gravity techniques. However, we further discuss a slight generalization of the action for the four Klein-Gordon scalar fields and show that this leads to a model which can be quantized in the framework of loop quantum gravity. Particularly, considering the model by Domagala et. al. [2] and the one introduced in this work we are able to compare Dirac and reduced phase space quantization.

  13. Stationary Solutions of the Klein-Gordon Equation in a Potential Field

    CERN Document Server

    Bi, Guangqing

    2010-01-01

    We seek to introduce a mathematical method to derive the Klein-Gordon equation and a set of relevant laws strictly, which combines the relativistic wave functions in two inertial frames of reference. If we define the stationary state wave functions as special solutions like $\\Psi(\\mathbf{r},t)=\\psi(\\mathbf{r})e^{-iEt/\\hbar}$, and define $m=E/c^2$, which is called the mass of the system, then the Klein-Gordon equation can clearly be expressed in a better form when compared with the non-relativistic limit, which not only allows us to transplant the solving approach of the Schr\\"{o}dinger equation into the relativistic wave equations, but also proves that the stationary solutions of the Klein-Gordon equation in a potential field have the probability significance. For comparison, we have also discussed the Dirac equation. By introducing the concept of system mass into the Klein-Gordon equation with the scalar and vector potentials, we prove that if the Schr\\"{o dinger equation in a certain potential field can be ...

  14. De waarde van het dubbelcontrastonderzoek bij de diagnostiek van kleine colon-en rectumtumoren

    NARCIS (Netherlands)

    Thijn, Cornelis Jacob Pieter

    1964-01-01

    SAMENVATTING In de inleiding wordt aan de hand van enkele cijfers gewezen op het belang van een vroegtijdige diagnostiek van colon- en rectumtumoren. Met het conventionele colononderzoek is de diagnostiek van kleine tumoren zeer moeilijk. Uit het historisch overzicht blijkt dat reeds tientallen jare

  15. Uniform decay for a local dissipative Klein-Gordon-Schrodinger type system

    Directory of Open Access Journals (Sweden)

    Marilena N. Poulou

    2012-10-01

    Full Text Available In this article, we consider a nonlinear Klein-Gordon-Schrodinger type system in $mathbb{R}^n$, where the nonlinear term exists and the damping term is effective. We prove the existence and uniqueness of a global solution and its exponential decay. The result is achieved by using the multiplier technique.

  16. Construction of wave operator for two-dimensional Klein-Gordon-Schrodinger systems with Yukawa coupling

    Directory of Open Access Journals (Sweden)

    Kai Tsuruta

    2013-05-01

    Full Text Available We prove the existence of the wave operator for the Klein-Gordon-Schrodinger system with Yukawa coupling. This non-linearity type is below Strichartz scaling, and therefore classic perturbation methods will fail in any Strichartz space. Instead, we follow the "first iteration method" to handle these critical non-linearities.

  17. Logical inference approach to relativistic quantum mechanics : Derivation of the Klein-Gordon equation

    NARCIS (Netherlands)

    Donker, H. C.; Katsnelson, M. I.; De Raedt, H.; Michielsen, K.

    2016-01-01

    The logical inference approach to quantum theory, proposed earlier De Raedt et al. (2014), is considered in a relativistic setting. It is shown that the Klein-Gordon equation for a massive, charged, and spinless particle derives from the combination of the requirements that the space-time data colle

  18. Deformed phase space Kaluza–Klein cosmology and late time acceleration

    Energy Technology Data Exchange (ETDEWEB)

    Sabido, M., E-mail: msabido@fisica.ugto.mx [Departamento de Física de la Universidad de Guanajuato, A.P. E-143, C.P. 37150, León, Guanajuato (Mexico); Yee-Romero, C., E-mail: carlos.yee@uabc.edu.mx [Departamento de Matemáticas, Facultad de Ciencias, Universidad Autónoma de Baja California, Ensenada, Baja California (Mexico)

    2016-06-10

    The effects of phase space deformations on Kaluza–Klein cosmology are studied. The deformation is introduced by modifying the symplectic structure of the minisuperspace variables. In the deformed model, we find an accelerating scale factor and therefore infer the existence of an effective cosmological constant from the phase space deformation parameter β.

  19. Group classification and conservation laws of the generalized Klein-Gordon-Fock equation

    Science.gov (United States)

    Muatjetjeja, B.

    2016-08-01

    In the present paper, we perform Lie and Noether symmetries of the generalized Klein-Gordon-Fock equation. It is shown that the principal Lie algebra, which is one-dimensional, has several possible extensions. It is further shown that several cases arise for which Noether symmetries exist. Exact solutions for some cases are also obtained from the invariant solutions of the investigated equation.

  20. Deformed phase space Kaluza-Klein cosmology and late time acceleration

    Science.gov (United States)

    Sabido, M.; Yee-Romero, C.

    2016-06-01

    The effects of phase space deformations on Kaluza-Klein cosmology are studied. The deformation is introduced by modifying the symplectic structure of the minisuperspace variables. In the deformed model, we find an accelerating scale factor and therefore infer the existence of an effective cosmological constant from the phase space deformation parameter β.

  1. Darboux Transformations for Energy-Dependent Potentials and the Klein-Gordon Equation

    Energy Technology Data Exchange (ETDEWEB)

    Schulze-Halberg, Axel, E-mail: axgeschu@iun.edu [Indiana University Northwest, Department of Mathematics and Actuarial Science (United States)

    2013-06-15

    We construct explicit Darboux transformations for a generalized Schroedinger-type equation with energy-dependent potential, a special case of which is the stationary Klein-Gordon equation. Our results complement and generalize former findings (Lin et al., Phys Lett A 362:212-214, 2007).

  2. New Doubly Periodic Solutions for the Coupled Nonlinear Klein-Gordon Equations

    Institute of Scientific and Technical Information of China (English)

    LIU Chun-Ping

    2005-01-01

    By using the general solutions of a new coupled Riccati equations, a direct algebraic method is described to construct doubly periodic solutions (Jacobi elliptic function solution) for the coupled nonlinear Klein-Gordon equations.It is shown that more doubly periodic solutions and the corresponding solitary wave solutions and trigonometric function solutions can be obtained in a unified way by this method.

  3. A NOTE ON NONAUTONOMOUS KLEIN-GORDON-SCHR(O)DINGER EQUATIONS WITH HOMOGENEOUS DIRICHLET BOUNDARY CONDITION

    Institute of Scientific and Technical Information of China (English)

    Zhao Caidi; Zhou Shengfan; Li Yongsheng

    2008-01-01

    This note discusses the long time behavior of solutions for nonautonomous weakly dissipative Klein-Gordon-Schrodinger equations with homogeneous Dirichlet bound-ary condition. The authors prove the existence of compact kernel sections for the associated process by using a suitable decomposition of the equations.

  4. Bound State Solutions of Klein-Gordon Equation with the Kratzer Potential

    Institute of Scientific and Technical Information of China (English)

    M. Ko(c)ak

    2007-01-01

    The relativistic problem of spinless particle subject to a Kratzer potential is analysed. Bound state solutions for s-waves are found by separating the Klein-Gordon equation into two parts. Unlike the similar works in the literature, the separation make it possible to see explicitly the relativistic contributions, if any, to the solution in the non-relativistic limit.

  5. Non-existence of global solutions to generalized dissipative Klein-Gordon equations with positive energy

    Directory of Open Access Journals (Sweden)

    Maxim Olegovich Korpusov

    2012-07-01

    Full Text Available In this article the initial-boundary-value problem for generalized dissipative high-order equation of Klein-Gordon type is considered. We continue our study of nonlinear hyperbolic equations and systems with arbitrary positive energy. The modified concavity method by Levine is used for proving blow-up of solutions.

  6. Single field inflationary models with non-compact Kaluza-Klein theory

    Energy Technology Data Exchange (ETDEWEB)

    Ledesma, Diego S.; Bellini, Mauricio

    2004-02-12

    We discuss a semiclassical treatment to inflationary models from Kaluza-Klein theory without the cylinder condition. We conclude that the evolution of the early universe could be described by a geodesic trajectory of a cosmological 5D metric here proposed, so that the effective 4D FRW background metric should be a hypersurface on a constant fifth dimension.

  7. Klein Paradox of Two-Dimensional Dirac Electrons in Circular Well Potential

    Institute of Scientific and Technical Information of China (English)

    黄海; 付星球; 韩榕生

    2012-01-01

    We study two-dimensional massive Dirac equation in circular well potential. The energies of bound states are obtained. We demonstrate the Klein paradox of this relativistic wave equation: For large enough potential depth, the bound states disappear from the spectra. Applications to graphene systems are discussed.

  8. Exact Solutions of the Klein-Gordon Equation with Hylleraas Potential

    CERN Document Server

    Ikot, Akpan N; Ita, Benedict I

    2011-01-01

    We present the exact solution of the Klein-Gordon with Hylleraas Potential using the Nikiforov-Uvarov method. We obtain explicitly the bound state energy eigenvalues and the corresponding eigen function are also obtained and expressed in terms of Jacobi Polynomials

  9. GLOBAL SOLUTIONS AND FINITE TIME BLOW UP FOR DAMPED KLEIN-GORDON EQUATION

    Institute of Scientific and Technical Information of China (English)

    Runzhang XU; Yunhua DING

    2013-01-01

    We study the Cauchy problem of strongly damped Klein-Gordon equation.Global existence and asymptotic behavior of solutions with initial data in the potential well are derived.Moreover,not only does finite time blow up with initial data in the unstable set is proved,but also blow up results with arbitrary positive initial energy are obtained.

  10. The acoustical Klein-Gordon equation: the wave-mechanical step and barrier potential functions.

    Science.gov (United States)

    Forbes, Barbara J; Pike, E Roy; Sharp, David B

    2003-09-01

    The transformed form of the Webster equation is investigated. Usually described as analogous to the Schrödinger equation of quantum mechanics, it is noted that the second-order time dependency defines a Klein-Gordon problem. This "acoustical Klein-Gordon equation" is analyzed with particular reference to the acoustical properties of wave-mechanical potential functions, U(x), that give rise to geometry-dependent dispersions at rapid variations in tract cross section. Such dispersions are not elucidated by other one-dimensional--cylindrical or conical--duct models. Since Sturm-Liouville analysis is not appropriate for inhomogeneous boundary conditions, the exact solution of the Klein-Gordon equation is achieved through a Green's-function methodology referring to the transfer matrix of an arbitrary string of square potential functions, including a square barrier equivalent to a radiation impedance. The general conclusion of the paper is that, in the absence of precise knowledge of initial conditions on the area function, any given potential function will map to a multiplicity of area functions of identical relative resonance characteristics. Since the potential function maps uniquely to the acoustical output, it is suggested that the one-dimensional wave physics is both most accurately and most compactly described within the Klein-Gordon framework.

  11. Exact Analytical Solution of the Klein-Gordon Equation in the Generalized Woods-Saxon Potential

    Science.gov (United States)

    Bayrak, O.; Sahin, D.

    2015-09-01

    The exact analytical solution of the Klein-Gordon equation for the spin-0 particles in the generalized Woods-Saxon potential is presented. The bound state energy eigenvalues and corresponding wave functions are obtained in the closed forms. The correlations between the potential parameters and energy eigenvalues are examined for π0 particles.

  12. Soliton-potential interaction in the Nonlinear Klein-Gordon Model

    CERN Document Server

    Saadatmand, Danial

    2011-01-01

    Interaction of solitons with external potentials in nonlinear Klein-Gordon field theory is investigated using an improved model. Presented model is constructed with a better approximation for adding the potential to the lagrangian through the metric of background space-time. The results of the model are compared with the another model and the differences are discussed.

  13. Scattering solutions of the Klein-Gordon equation for a step potential with hyperbolic tangent potential

    Science.gov (United States)

    Rojas, Clara

    2014-09-01

    We solve the Klein-Gordon equation for a step potential with hyperbolic tangent potential. The scattering solutions are derived in terms of hypergeometric functions. The reflection coefficient R and transmission coefficient T are calculated, we observed superradiance and transmission resonances.

  14. Scattering and Bound States of Klein-Gordon Particle with Hylleraas Potential Within Effective Mass Formalism

    Science.gov (United States)

    Onyeaju, M. C.; Ikot, A. N.; Chukwuocha, E. O.; Obong, H. P.; Zare, S.; Hassanabadi, H.

    2016-09-01

    Scattering and bound states solution for the one-dimensional Klein-Gordon particle with Hylleraas potential is presented within the frame work of position dependent effective mass formalism. We calculate in detail the reflection and transmission coefficients using the properties of hypergeometric functions and the equation of continuity of the wave functions.

  15. Exact solutions of the Klein-Gordon equation with Makarov potential and a recurrence relation

    Institute of Scientific and Technical Information of China (English)

    Zhang Min-Cang; Wang Zhen-Bang

    2007-01-01

    In this paper, the Klein-Gordon equation with equal scalar and vector Makarov potentials is studied by the factorization method. The energy equation and the normalized bound state solutions are obtained, a recurrence relation between the different principal quantum number n corresponding to a certain angular quantum number e is established and some special cases of Makarov potential are discussed.

  16. T-Duality in $\\sigma$ Models with Kaluza-Klein Metric as Electric-Magnetic Duality

    CERN Document Server

    Jafarizadeh, M A

    1999-01-01

    It is shown that the T-duality in \\sigma-model with Kaluza-Klein metric, without or with a torsion term, can be interpreted as electric-magnetic duality for some of their solitonic solutions. Actually Buscher's duality transformation interchanges the topological and Noether charges.

  17. Angular Momentum-Free of the Entropy Relations for Rotating Kaluza-Klein Black Holes

    CERN Document Server

    Liu, Hang

    2016-01-01

    Based on a mathematical lemma related to the Vandermonde determinant and two theorems derived from the first law of black hole thermodynamics, we investigate the angular momentum independence of the entropy sum as well as the entropy product of general rotating Kaluza-Klein black holes in higher dimensions. We show that for both non-charged rotating Kaluza-Klein black holes and non-charged rotating Kaluza-Klein-AdS black holes, the angular momentum of the black holes will not be present in entropy sum relation in dimensions $d\\geq4$, while the independence of angular momentum of the entropy product holds provided that the black holes possess at least one zero rotation parameter $a_j$ = 0 in higher dimensions $d\\geq5$, which means that the cosmological constant does not affect the angular momentum-free property of entropy sum and entropy product under the circumstances that charge $\\delta=0$. For the reason that the entropy relations of charged rotating Kaluza-Klein black holes as well as the non-charged rotat...

  18. Patronage in the dispute over child analysis between Melanie Klein and Anna Freud--1927-1932.

    Science.gov (United States)

    Aguayo, J

    2000-08-01

    The author investigates the role of patrons and advocates for Melanie Klein's clinical ideas at the British Psycho-Analytical Society against the backdrop of her theoretical and technical differences with Anna Freud from 1927 to 1932. He also outlines the development of Klein and Anna Freud's theories and techniques within the nascent discipline of child psychoanalysis. The London and Viennese patrons/advocates contributed to polarising what initially were clinical differences about how to analyse pre-latency and latency-age children and which technical processes might best facilitate successful treatment. While the author speculates that a diversity of motivations and agendas may have driven the London group's support for Klein--personal and politicised enthusiasm (Jones), genuine conviction (Riviere) and attempts at theoretical rapprochement between the London and Vienna schools (Glover)--he also argues that Freud's diagnosis with cancer in 1923 and suspicion of patricidal son-successors necessitated the choice of a female successor with unquestioning loyalty to his doctrines. From 1932, when Klein's clinical authority was established, her first group of English supporters began to splinter, as she went on to become a training analyst, mentor and patron in her own right to a succeeding generation of adherents who defended her views during the Controversial Discussions.

  19. On 'the fear of death' as the primary anxiety: how and why Klein differs from Freud.

    Science.gov (United States)

    Blass, Rachel B

    2014-08-01

    It is well known that Melanie Klein held the view that 'fear of death' is the primary source of anxiety and that her position is explicitly opposed to that of Sigmund Freud, who maintained that that fear cannot in any way or form be a source of anxiety. In a previous article on Freud's Inhibitions, Symptoms and Anxiety (Blass, 2013), the author argued that, counter to what is commonly portrayed in the literature, Freud's considerations for rejecting the fear of death as a source of anxiety were based on relational and experiential factors that are usually associated with Kleinian psychoanalysis. In light of this affinity of Freud with Klein a question arises as to the actual source of their differences in this context. The present paper offers an answer to this question. The author first presents some of her earlier findings on what led Freud to reject the fear of death as a source of anxiety and then turns to investigate Klein's considerations for accepting it. This takes us beyond her explicit statements on this matter and sheds new light on the relationship of her views regarding death and anxiety and those of Freud. In turn this deepens the understanding of the relationship of Freud and Klein's conceptualizations of the psyche and its internal object relations, pointing to both surprising common ground and foundational differences. Copyright © 2014 Institute of Psychoanalysis.

  20. New phases of thermal SYM and LST from Kaluza-Klein black holes

    DEFF Research Database (Denmark)

    Harmark, Troels; Obers, Niels A.

    2005-01-01

    We review the recently found map that takes any static and neutral Kaluza-Klein black hole, i.e. any static and neutral black hole on Minkowski-space times a circle Md × S1, and maps it to a corresponding solution for a non- and near-extremal brane on a circle. This gives a precise connection...

  1. Migraine with brainstem aura presenting as recurrent hypersomnia (Kleine-Levin syndrome).

    Science.gov (United States)

    Nesbitt, Alexander D; Leschziner, Guy D

    2016-10-01

    Recurrent hypersomnia, or Kleine-Levin syndrome, is rare and frequently causes substantial diagnostic anxiety and delay. Patients often undergo multiple investigations to rule out other causes of encephalopathy. The treatment options are unsatisfactory. Migraine with brainstem aura has not previously been widely considered in the medical literature as a differential diagnosis. We describe two patients referred to a tertiary sleep neurology service with a putative diagnosis of Kleine-Levin syndrome. Each described attacks of hypersomnia with elements of migraine with brainstem aura, in addition to having a history of migraine with aura. Simple acute migraine treatment clearly attenuated further attacks. These cases generate discussion as to the common features and potential mechanisms underlying both disorders. Furthermore, they highlight a hitherto underexplored alternative diagnosis of Kleine-Levin syndrome. This provides scope for offering established and effective migraine treatment options to patients who with a potential misdiagnosis of Kleine-Levin syndrome, providing scope for offering established and effective migraine treatment to some patients originally diagnosed with a rare condition for which there is no current consistently effective therapeutic options.

  2. Positive and ground state solutions for the critical Klein-Gordon-Maxwell system with potentials

    CERN Document Server

    Carriao, Paulo C; Miyagaki, Olimpio H

    2010-01-01

    In this paper we study a class of Klein-Gordon-Maxwell system when the nonlinearity exhibits critical growth. First we prove both existence and ground state solutions for this system with a periodic potencial V, and then we show the existence in the case that a nonperiodic potencial V is introduced.

  3. N=4 and N=8 SUSY Quantum Mechanics and Klein's Vierergruppe

    CERN Document Server

    Gates, S James; Iga, Kevin; Mendez-Diez, Stefan

    2016-01-01

    Sets of signed permutation matrices satisfying the GR(4,4) algebra are shown to be, up to sign, left cosets of Klein's famous Vierergruppe. In this way we verify the count done by computer in 2012, and set it in a more significant mathematical context. A similar analysis works for GR(1,1), GR(2,2) and GR(8,8).

  4. Degree-Regular Triangulations of Torus and Klein Bottle-Erratum

    Indian Academy of Sciences (India)

    Basudeb Datta; Ashish Kumar Upadhyay

    2005-08-01

    A triangulation of a connected closed surface is called weakly regular if the action of its automorphism group on its vertices is transitive. A triangulation of a connected closed surface is called degree-regular if each of its vertices have the same degree. Clearly, a weakly regular triangulation is degree-regular. In [8], Lutz has classified all the weakly regular triangulations on at most 15 vertices. In [5], Datta and Nilakantan have classified all the degree-regular triangulations of closed surfaces on at most 11 vertices. In this article, we have proved that any degree-regular triangulation of the torus is weakly regular. We have shown that there exists an -vertex degree-regular triangulation of the Klein bottle if and only if is a composite number ≥ 9. We have constructed two distinct -vertex weakly regular triangulations of the torus for each ≥ 12 and a (4+2)-vertex weakly regular triangulation of the Klein bottle for each ≥ 2. For 12 ≤ ≤ 15, we have classified all the -vertex degree-regular triangulations of the torus and the Klein bottle. There are exactly 19 such triangulations, 12 of which are triangulations of the torus and remaining 7 are triangulations of the Klein bottle. Among the last 7, only one is weakly regular.

  5. Assignment of a second Charcot-Marie-Tooth type II locus to chromosome 3q

    Energy Technology Data Exchange (ETDEWEB)

    Kwon, J.M.; Elliott, J.L.; Yee, W.C. [Washington Univ. School of Medicine, St. Louis, MO (United States)] [and others

    1995-10-01

    Charcot-Marie-Tooth disease (CMT) is the most common inherited motor and sensory neuropathy. The neuronal form of this disorder is referred to as Charcot-Marie-Tooth type II disease (CMT2). CMT2 is usually inherited as an autosomal dominant trait with a variable age at onset of symptoms associated with progressive axonal neuropathy. In some families, the locus that predisposes to CMT2 has been demonstrated to map to the distal portion of the short arm of chromosome 1. Other families with CMT2 do not show linkage with 1p markers, suggesting genetic heterogeneity in CMT2. We investigated linkage in a single large kindred with autosomal dominant CMT2. The gene responsible for CMT2 in this kindred (CMT2B) was mapped to the interval between the microsatellite markers D3S1769 and D3S1744 in the 3q13-22 region. Study of additional CMT2 kindreds should serve to further refine the disease gene region and may ultimately lead to the identification of a gene defect that underlies the CMT2 phenotype. 21 refs., 3 figs., 1 tab.

  6. Põhja-Eesti Regionaalhaigla X-korpus = North-Estonian Regional Hospital X-wing / Mari Kurismaa ; intervjueerinud Margit Mutso

    Index Scriptorium Estoniae

    Kurismaa, Mari, 1956-

    2011-01-01

    Tallinnas Sütiste tee 19 asuva haigla juurdeehitise sisekujundusest. Sisearhitekt Mari Kurismaa (Stuudio Kurismaa OÜ). Arhitektid Indrek Suigusaar, Vivian Oruvee (AB Pluss OÜ). Infograafika autor Mari Kaljuste

  7. Põhja-Eesti Regionaalhaigla X-korpus = North-Estonian Regional Hospital X-wing / Mari Kurismaa ; intervjueerinud Margit Mutso

    Index Scriptorium Estoniae

    Kurismaa, Mari, 1956-

    2011-01-01

    Tallinnas Sütiste tee 19 asuva haigla juurdeehitise sisekujundusest. Sisearhitekt Mari Kurismaa (Stuudio Kurismaa OÜ). Arhitektid Indrek Suigusaar, Vivian Oruvee (AB Pluss OÜ). Infograafika autor Mari Kaljuste

  8. Recent advances in Charcot-Marie-Tooth disease.

    Science.gov (United States)

    Baets, Jonathan; De Jonghe, Peter; Timmerman, Vincent

    2014-10-01

    This article focuses on recent advances in Charcot-Marie-Tooth disease, in particular additions to the genetic spectrum, novel paradigms in molecular techniques and an update on therapeutic strategies. Several new Charcot-Marie-Tooth disease-causing genes have been recently identified, further enlarging the genetic diversity and phenotypic variability, including: SBF1, DHTKD1, TFG, MARS, HARS, HINT1, TRIM1, AIFM1, PDK3 and GNB4. The increasing availability and affordability of next-generation sequencing technologies has ramped up gene discovery and drastically changed genetic screening strategies. All large-scale trials studying the effect of ascorbic acid in Charcot-Marie-Tooth 1A have now been completed and were negative. Efforts have been made to design more robust outcome-measures for clinical trials. Promising results with lonaprisan, curcumin and histone deacetylase 6 inhibitors have been obtained in animal models. Charcot-Marie-Tooth is the most common form of inherited peripheral neuropathy and represents the most prevalent hereditary neuromuscular disorder. The genetic spectrum spans more than 70 genes. Gene discovery has been revolutionized recently by new high-throughput molecular technologies. In addition, the phenotypic diversity has grown tremendously. This is a major challenge for geneticists and neurologists. No effective therapy is available for Charcot-Marie-Tooth. Several large trials with ascorbic acid were negative but research into novel compounds continues.

  9. Soils of Marie Byrd Land, West Antarctica

    Science.gov (United States)

    Lupachev, A. V.; Abakumov, E. V.

    2013-10-01

    Soils of Marie Byrd Land-one of the remotest and difficultly accessible regions of Antarctica-were investigated in the area of the mothballed Russkaya station located to the south of 74° S. Despite the extremely severe wind regime (the average wind velocity is 13 m/s, and the maximum wind velocity is up to 60 m/s), the projective cover of vegetation in the area of the station averages 25-40% and reaches 60-80% in some places. The phenomena of physical weathering of the bedrock-exfoliation, stone pavements, residual rocks exposed by wind (hoodoos), and others-are clearly manifested. In most of the described soils, normal organic and organomineral horizons are absent. The soil profiles represent the mixture of the residues of mosses and lichens and the gravelly eluvium. The fine earth material is blown out of the surface horizons by strong winds; its residual accumulation takes place in the middle and lower parts of the profiles. The classification position of these soils is open to argument; they are close to Petrozems and Lithozems. Most of the profiles are underlain by the massive or slightly disintegrated bedrock with dry permafrost at a depth of 20 to 50 cm. Soils with dry permafrost comprise about 75% of the surveyed area. In separate loci in the depressions of the local mesorelief and on gentle slopes, the soils with clearly expressed cryoturbation features are developed; their profiles are underlain by the ice-rich permafrost and compose about 15% of the surveyed area. Anthropogenically disturbed soils and soils polluted with petroleum hydrocarbons, heavy metals, and other pollutants occupy about 10% of the surveyed area.

  10. [Marie Heiberg. Üks naine kurbade silmadega] / Marko Mägi

    Index Scriptorium Estoniae

    Mägi, Marko

    2010-01-01

    Arvustus: Heiberg, Marie. Üks naine kurbade silmadega : Eesti luuletaja Marie Heibergi õnne ja valu, rõõmu ja mure lugu kirjades / [koostajad Iivi Lepik, Kirsten Simmo]. Tallinn : Eesti Teatri- ja Muusikamuuseum : SE & JS, 2010

  11. 78 FR 14653 - Amendment of Class E Airspace; Sault Ste Marie, ON

    Science.gov (United States)

    2013-03-07

    ... control zone over Sault Ste Marie Airport. The FAA is taking this action to enhance the safety and... Airport, Sault Ste Marie, ON, to coincide with that portion of the control zone in Canadian airspace....

  12. Interval Scheduling: A Survey

    NARCIS (Netherlands)

    Kolen, A.W.J.; Lenstra, J.K.; Papadimitriou, C.H.; Spieksma, F.C.R.

    2007-01-01

    In interval scheduling, not only the processing times of the jobs but also their starting times are given. This article surveys the area of interval scheduling and presents proofs of results that have been known within the community for some time. We first review the complexity and approximability o

  13. Estimating duration intervals

    NARCIS (Netherlands)

    Ph.H.B.F. Franses (Philip Hans); B.L.K. Vroomen (Björn)

    2003-01-01

    textabstractDuration intervals measure the dynamic impact of advertising on sales. More precise, the p per cent duration interval measures the time lag between the advertising impulse and the moment that p per cent of its effect has decayed. In this paper, we derive an expression for the duration

  14. Simultaneous Interval Graphs

    CERN Document Server

    Jampani, Krishnam Raju

    2010-01-01

    In a recent paper, we introduced the simultaneous representation problem (defined for any graph class C) and studied the problem for chordal, comparability and permutation graphs. For interval graphs, the problem is defined as follows. Two interval graphs G_1 and G_2, sharing some vertices I (and the corresponding induced edges), are said to be `simultaneous interval graphs' if there exist interval representations R_1 and R_2 of G_1 and G_2, such that any vertex of I is mapped to the same interval in both R_1 and R_2. Equivalently, G_1 and G_2 are simultaneous interval graphs if there exist edges E' between G_1-I and G_2-I such that G_1 \\cup G_2 \\cup E' is an interval graph. Simultaneous representation problems are related to simultaneous planar embeddings, and have applications in any situation where it is desirable to consistently represent two related graphs, for example: interval graphs capturing overlaps of DNA fragments of two similar organisms; or graphs connected in time, where one is an updated versi...

  15. Jean-Marie Dufour receives the Legion of Honour

    CERN Multimedia

    2001-01-01

    French Ambassador Philippe Petit (left) presents the cross of Knight of the Légion d'Honneur to Jean-Marie Dufour. On Friday 22 June, Jean-Marie Dufour, Head of CERN's Legal Service, was made Knight of the Legion of Honour by Ambassador Philippe Petit, at a ceremony held at the Permanent Mission of France in Geneva. Ambassador Petit is Permanent Representative of France at the United Nations and French delegate at CERN. He was awarded the decoration in recognition of his services. He has played an active part in all the great stages of CERN's development, in fact, ranging from its scientific programmes, to its establishment in its Host States, Switzerland and France, and its opening up to the wider world. The ceremony took place in the presence of Professor Luciano Maiani. The award is an honour to CERN, and the Organization takes this opportunity to convey its friendliest congratulations to Jean-Marie Dufour, a committed European.

  16. Special Workshop of Marie Curie Fellows on Research and Training in Physics and Technology

    CERN Document Server

    Patrice Loiez

    2002-01-01

    Photo 0210004_1: Prof. Ugo Amaldi, University of Milano Bicocca and Tera Foundation, Italy. Addressing the Marie Curie Workshop held at CERN 3-4 October 2002. Title of this talk:"Research Developments on Medical Physics". Photo 0210004_2: Marie Curie Fellows at CERN. Participating in Marie Curie Workshop held at CERN 3-4 October 2002.

  17. 33 CFR 207.440 - St. Marys Falls Canal and Locks, Mich.; use, administration, and navigation.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 3 2010-07-01 2010-07-01 false St. Marys Falls Canal and Locks.... Marys Falls Canal and Locks, Mich.; use, administration, and navigation. (a) The use, administration... by radiotelephone to the Corps of Engineers Chief Lockmaster at St. Marys Falls Canal dispatch...

  18. [Charcot-Marie-Tooth disease and bilateral vitritis].

    Science.gov (United States)

    Anaya-Pava, E J; Cárdenas-Hernández, R I

    2015-04-01

    We describe a patient diagnosed with Charcot-Marie-Tooth disease, with a 4 months history of bilateral decreased visual acuity and floaters. On examination, he had severe bilateral vitreous opacity and sectoral diffuse vascular sheathing. It could not be linked to some underlying aetiology and did not respond to oral steroids. Publications relating to ocular findings in patients with Charcot-Marie-Tooth disease exclude bilateral vitritis. In this case we were unable to test the association with another disease as the cause of vitritis. Copyright © 2013 Sociedad Española de Oftalmología. Published by Elsevier España, S.L.U. All rights reserved.

  19. Esther Schor, ed. The Cambridge Companion to Mary Shelley

    Directory of Open Access Journals (Sweden)

    Anne BERTON

    2006-06-01

    Full Text Available “Today, whether she is found between staid cloth covers, in paperback, on the screen or in cyberspace, Mary Shelley is everywhere,” writes Esther Schor in her Introduction to this collection of essays (2. Interest in “the Author of Frankenstein” and of other works has grown steadily over the last twenty years, thanks notably to the publication of her Journals (The Journals of Mary Shelley, 1814-1844, ed. Paula R. Feldman and Diana Scott-Kilvert, 2 vols, Oxford: Clarendon, 1987, of her Lette...

  20. ANESTHESIA FOR CHARCOT-MARIE-TOOTH DISEASE: CASE REPORT.

    Science.gov (United States)

    Alzaben, Khalid R; Samarah, Omar Q; Obeidat, Salameh S; Halhouli, Oday; Al Kharabsheh, Murad

    2016-06-01

    Charcot-Marie-Tooth disease comprises a group of disorders characterized by progressive muscle weakness and wasting. Reviewing the anaesthetic literature produced conflicting reports about the best anaesthetic options for patients with CMTD; as they are at increased risk of prolonged response to muscle relaxants, malignant hyperthermia and risks of regional anaesthesia. We present a case of the successful use of total intravenous anaesthesia with dexmedetomidine and propofol combined with caudal block using bupivacaine mixed with dexmedetomidine without any complications, for a 17 year old male patient with Charcot Marie-Tooth disease who underwent a lower limb orthopedic surgery.

  1. Solution of Klein-Gordon Equation with Time-Dependent linear Potential f(t)x%求解Klein-Gordon方程与时变线性势的函数f(t)x

    Institute of Scientific and Technical Information of China (English)

    谢仁权; 龙超云; 王勤

    2010-01-01

    在此文中,用Klein - Gordon方程对一维时变线性势中粒子运动进行研究,并建立了对应的解析波函数.此外,分别讨论了外部场消失的解和Klein - Gordon方程的非相对论的限制.

  2. Shannon information entropies for the three-dimensional Klein-Gordon problem with the Poschl-Teller potential

    Science.gov (United States)

    Ghafourian, M.; Hassanabadi, H.

    2016-06-01

    The Shannon information entropies for the Klein-Gordon equations are evaluated for the Poschl-Teller potential, and the position-space information entropies for the ground and the excited states are calculated.

  3. Mary Boole and curve stitching: a look into heaven.

    Science.gov (United States)

    Innes, Shelley

    2004-03-01

    Mary Everest Boole had a lifelong interest in the unconscious mind, the psychology of learning, and how these relate to the teaching of mathematics and science. She recommended many practical exercises and teaching aids, one of which was the technique of curve stitching, which she had invented while still a child herself.

  4. Paying tribute to florence nightingale and Mary Seacole.

    Science.gov (United States)

    Grainger, Angela

    2012-05-30

    Lynn McDonald (letters May 16) says the grounds of St Thomas' Hospital in London are the wrong place for the proposed memorial statue to Mary Seacole, pointing out that the hospital is more associated with Florence Nightingale and her work.

  5. Romanticism or Reality? An Exploration of Frances Mary Hendry's "Chandra."

    Science.gov (United States)

    Johnson, Jilaine

    This paper singles out a novel written for children about India, "Chandra" (1995) by Frances Mary Hendry, as a powerful and useful novel to present to today's 11 to 14 year old students. The paper contends that the novel allows students to explore and consider different value systems, challenges them to become aware of prejudice and the…

  6. Molecular Diagnosis of Charcot-Marie Tooth Disease

    Directory of Open Access Journals (Sweden)

    J. Gordon Millichap

    2002-02-01

    Full Text Available The frequency of mutations in certain genes in 153 unrelated patients with Charcot-Marie-Tooth disease (CMT was determined by DNA sequencing before clinical testing at the Departments of Molecular and Human Genetics and Pediatrics, Baylor College of Medicine, Houston, TX, and other centers.

  7. Charcot-Marie-Tooth disease type 1A

    DEFF Research Database (Denmark)

    Hertz, Jens Michael; Børglum, A D; Brandt, C A

    1994-01-01

    Charcot-Marie-Tooth disease type 1A (CMT1A) is an autosomal dominant peripheral neuropathy associated with a DNA duplication on chromosome 17p11.2-p12 in the majority of cases. Most of the sporadic cases are due to a de novo duplication. We have screened for this duplication in 11 Danish patients...

  8. Eesti NATO ukselävel / Mari-Ann Kelam

    Index Scriptorium Estoniae

    Kelam, Mari-Ann, 1946-

    2002-01-01

    Seda, et NATO liitumisläbirääkimistele kutsutavate seas on ka Eesti, saab veel tänagi pidada üheks meie iseseisva riikluse suursaavutuseks, kui mitte imeks, kirjutab Riigikogu liige Mari-Ann Kelam. Autor: Isamaaliit. Parlamendisaadik

  9. Naine : masin või loom? / Maris Palgi

    Index Scriptorium Estoniae

    Palgi, Maris

    2007-01-01

    Eero Taltsi, Margus Kiisi, Maia Mölleri, Kaie Luige, Eva Orava ja Maris Palgi projektist "Maine-loom, naine-masin", mida tutvustati 2006. a. Moostes üritusel "Postsovkhoz 6", 2007. a. jaanuaris-veebruaris Tartu Kunstimajas ja Tartu Tampere Majas. Näitused avati E. Taltsi ja M. Kiisi loeng-performance'itega

  10. From security to attachment : Mary Ainsworth's contribution to attachment theory

    NARCIS (Netherlands)

    Rosmalen, Lenette (Lenny) van

    2015-01-01

    Even though John Bowlby (1907-1990) is generally regarded as the founder of attachment theory, Mary Ainsworth’s (1913-1999) contribution is considerable and goes beyond the design of the Strange Situation Procedure and the introduction of maternal sensitivity as decisive for a secure attachment

  11. The Antibureaucrat: Mary Graham--Brooklyn Public Library, NY

    Science.gov (United States)

    Library Journal, 2004

    2004-01-01

    It is tough to make the staff of a large, highly centralized urban library system believe they should make their own decisions and even take risks--all to serve their community better. But that is what Mary Graham has achieved as Brooklyn Public Library's director of the Office of Neighborhood Services. A study of Brooklyn Public Library (BPL) in…

  12. Missionary Education in Colonial Africa: The Critique of Mary Kingsley.

    Science.gov (United States)

    Pearce, Robert

    1988-01-01

    Discussing missionary education in colonial Africa, Pearce examines the ideas of Mary Kingsley, one of the major influences on British thinking towards Africa from the late 1890's. Focusing attention on her educational views, Pearce states that she had influence on all areas of British policy in Africa, and especially West Africa. (GEA)

  13. A Day in the Life of Mary Cassatt.

    Science.gov (United States)

    Stoppel, Julie

    2002-01-01

    Offers a way to present art history to classroom students where the art teacher pretends to be an artist. Focuses on a lesson where the teacher pretended to be Mary Cassatt. States that the students used pastels when drawing their artwork, in conjunction with the art history lesson. (CMK)

  14. Mary E. Hall: Dawn of the Professional School Librarian

    Science.gov (United States)

    Alto, Teresa

    2012-01-01

    A century ago, a woman named Mary E. Hall convinced school leaders of the need for the professional school librarian--a librarian who cultivated a love of reading, academic achievement, and independent learning skills. After graduating from New York City's Pratt Institute Library School in 1895, Hall developed her vision for the high school…

  15. Lift as You Climb: A Profile of President Mary Vosevich

    Science.gov (United States)

    Blumenthal, Anita

    2012-01-01

    "My thumb got me into this!" declares the new APPA President Mary Vosevich when asked how she entered the field of educational facilities management. It was 1984, and Vosevich, a Midwest native, was working at Monsanto in St. Louis as a research biologist, having earned her B.S. in horticulture/agriculture from the University of…

  16. Para uma espiritualidade leiga: Marià Corbí

    Directory of Open Access Journals (Sweden)

    Marta Granés Bayona

    2015-04-01

    Full Text Available Recensión:CORBI, Marià. Para uma espiritualidade leiga. São Paulo: Paulus, 2010. 294 p. [Hacia una espiritualidad laica, sin creencias, sin religiones, sin dioses. Barcelona: Herder, 2007, 350 p.]  

  17. Response to Mary J. Reichling, "Intersections: Form, Feeling, and Isomorphism"

    Science.gov (United States)

    Sinclair, Anne

    2004-01-01

    In her response to Mary Reichling's article "Intersections: Form, Feeling, and Isomorphism, Anne Sinclair believes that the exploration of form, feeling, and isomorphism in the writings of Susanne Langer accomplishes its goal to examine and elucidate aspects of these concepts. Sinclair finds several of the ideas presented very engaging. Musical…

  18. Eesti NATO ukselävel / Mari-Ann Kelam

    Index Scriptorium Estoniae

    Kelam, Mari-Ann, 1946-

    2002-01-01

    Seda, et NATO liitumisläbirääkimistele kutsutavate seas on ka Eesti, saab veel tänagi pidada üheks meie iseseisva riikluse suursaavutuseks, kui mitte imeks, kirjutab Riigikogu liige Mari-Ann Kelam. Autor: Isamaaliit. Parlamendisaadik

  19. Rosie Carpe and the Virgin Mary: Modelling Modern Motherhood

    Directory of Open Access Journals (Sweden)

    Pauline Eaton

    2016-06-01

    Full Text Available Marie NDiaye’s 2001 novel, Rosie Carpe, incorporates, as one of its several instances of parenting failure, the narrative of the decline of a single mother from adequacy to abuse. This narrative, which is the focus of this article, might be said to put flesh on the bones of Julia Kristeva’s deconstruction of the Virgin Mary in her 1980s essay ‘Stabat Mater’. Kristeva saw the Marian model as out of date but she interrogated its enduring power and its continuing influence on our cultural perceptions of maternity. NDiaye’s eponymous Rosie realises she is pregnant but has no idea how this has come about. Rosie is not represented as a woman who has a religious faith but she decides to accept her child as a holy miracle. This article analyses how the ‘mythology’ of the Virgin Mary, and other biblical intertext, is woven into the narrative of Rosie’s experience of motherhood, so as to counterpoint and illuminate Rosie’s bleak and raw inner experience of maternity, an experience which, while confirming that Rosie is not, and never could have been, a modern Virgin Mary nevertheless refreshes the human stories at the root of the Christian narrative.

  20. PARTNER: A Marie Curie Initial Training Network for hadron therapy

    CERN Document Server

    CERN BULLETIN; Nathalie Hospital; Manuela Cirilli

    2011-01-01

    PARTNER is a 4-year Marie Curie Training project funded by the European Commission with 5.6 million Euros aimed at the creation of the next generation of experts. Ten academic institutes and research centres and two leading companies are participating in PARTNER, that is coordinated by CERN, forming a unique multidisciplinary and multinational European network.

  1. Naine : masin või loom? / Maris Palgi

    Index Scriptorium Estoniae

    Palgi, Maris

    2007-01-01

    Eero Taltsi, Margus Kiisi, Maia Mölleri, Kaie Luige, Eva Orava ja Maris Palgi projektist "Maine-loom, naine-masin", mida tutvustati 2006. a. Moostes üritusel "Postsovkhoz 6", 2007. a. jaanuaris-veebruaris Tartu Kunstimajas ja Tartu Tampere Majas. Näitused avati E. Taltsi ja M. Kiisi loeng-performance'itega

  2. Form-preserving transformations of the time-dependent Klein-Gordon equation and the generation of solvable potentials

    Energy Technology Data Exchange (ETDEWEB)

    Schulze-Halberg, Axel [Department of Science, University of Colima, Bernal Diaz del Castillo 340, Col. Villas San Sebastian, C.P. 28045, Colima, Col. (Mexico)

    2006-10-15

    A form-preserving transformation for the time-dependent Klein-Gordon equation (TKGE) is derived. Existence of the transformation depends strongly on the shape of the vector and scalar potentials in the TKGE. We discuss the special case of the transformation between the TKGE and the stationary Klein-Gordon equation, which can be used to generate time-dependent solvable cases out of stationary solvable cases.

  3. Klein Gordon Oscillators in Commutative and Noncommutative Phase Space with Psudoharmonic Potential in the Presence and Absence Magnetic Field

    Institute of Scientific and Technical Information of China (English)

    H.Hassanabadi; S.S.Hosseini; Z.Molaee

    2013-01-01

    We study the Klein-Gordon oscillator in commutative,noncommutative space,and phase space with psudoharmonic potential under magnetic field hence the other choice is studying the Klein-Gordon equation oscillator in the absence of magnetic field.In this work,we obtain energy spectrum and wave function in different situations by NU method so we show our results in tables.

  4. The phase-space structure of the Klein-Gordon field

    CERN Document Server

    Best, C; Greiner, W

    1993-01-01

    The formalism based on the equal-time Wigner function of the two-point correlation function for a quantized Klein--Gordon field is presented. The notion of the gauge-invariant Wigner transform is introduced and equations for the corresponding phase-space calculus are formulated. The equations of motion governing the Wigner function of the Klein--Gordon field are derived. It is shown that they lead to a relativistic transport equation with electric and magnetic forces and quantum corrections. The governing equations are much simpler than in the fermionic case which has been treated earlier. In addition the newly developed formalism is applied towards the description of spontaneous symmetry breakdown.

  5. New phases of thermal SYM and LST from Kaluza-Klein black holes

    DEFF Research Database (Denmark)

    Harmark, Troels; Obers, Niels A.

    2005-01-01

    We review the recently found map that takes any static and neutral Kaluza-Klein black hole, i.e. any static and neutral black hole on Minkowski-space times a circle Md × S1, and maps it to a corresponding solution for a non- and near-extremal brane on a circle. This gives a precise connection...... between phases of Kaluza-Klein black holes and the thermodynamic behavior of the non-gravitational theories dual to near-extremal branes on a circle. In particular, for the thermodynamics of strongly-coupled supersymmetric Yang-Mills theories on a circle we predict the existence of a new non-uniform phase...

  6. A Bohmian approach to the perturbations of non-linear Klein--Gordon equation

    Indian Academy of Sciences (India)

    FARAMARZ RAHMANI; MEHDI GOLSHANI; MOHSEN SARBISHEI

    2016-08-01

    In the framework of Bohmian quantum mechanics, the Klein--Gordon equation can be seen as representing a particle with mass m which is guided by a guiding wave $\\phi(x)$ in a causal manner. Here a relevant question is whether Bohmian quantum mechanics is applicable to a non-linear Klein--Gordon equation? We examine this approach for $\\phi_{4}(x)$ and sine-Gordon potentials. It turns out that this method leads to equations for quantum states which are identical to those derived by field theoretical methods used for quantum solitons. Moreover, the quantum force exerted on the particle can be determined. This method can be used for other non-linear potentials as well.

  7. Redshift in a six-dimensional classical Kaluza-Klein type model

    CERN Document Server

    Syska, Jacek

    2015-01-01

    Multidimensional theories still remain attractive from the point of view of better understanding fundamental interactions. In this paper a six-dimensional Kaluza-Klein type model at the classical, Einstein's gravity formulation is considered. The static spherically symmetric solution of the six-dimensional Einstein equations coupled to the Klein-Gordon equation with the massless dilatonic field is presented. As it is horizon free, it is fundamentally different from the four-dimensional Schwarzschild solution. The motion of test particles in such a spherically symmetric configuration is then analyzed. The presence of the dilatonic field has a similar dynamical effect as the existence of additional massive matter. The emphasis is put on some observable quantities like redshifts. It has been suggested that strange features of emission lines from galactic nuclei as well as quasar-galaxy associations may in fact be manifestations of the multidimensionality of the world.

  8. Particle production and dissipation caused by the Kaluza-Klein tower

    CERN Document Server

    Matsuda, Tomohiro

    2012-01-01

    Two-step dissipation is studied in supersymmetric models in which the field in motion couples to bulk fields in the higher dimensional space. Since the Kaluza-Klein tower of the intermediate field changes its mass-spectrum during the evolution, there could be back-reaction from the tower. Then the system may eventually cause significant dissipation of the kinetic energy if the tower is coupled to light fields in the thermal bath. To see what happens in the higher dimensional theory, we consider three models for the scenario, which are carefully prepared. In these models the extension is obvious but it does not disturb the original set-ups. The third model suggests that the evolution of the volume moduli may feel significant friction from the Kaluza-Klein tower.

  9. Modification to the Klein-Nishina cross section for Ge electrons at high statistics limit

    Energy Technology Data Exchange (ETDEWEB)

    Wang, T.F.

    1995-11-03

    Modification factors for the Klein-Nishina cross-sections for gamma-ray with energies between 50 keV and 250 keV incident on Ge electrons have been obtained at the high statistics limit. In this limit, the Ge electrons can then be treated as they are obtained from the self-consistent augmented plane wave calculations, without considering the orientation of crystal lattice with respect to incident photons. The kinematics corrections (i.e. outgoing momenta), on the other hand, have to be taken into account on an event by event basis. Even so, the computing time has been reduced dramatically since the relativistic calculation of the modifications to the Klein-Nishina cross sections is the most tedious one. The modification factors are almost linear with respect to incident photon energy in the interesting energy range with respect to a given photon outgoing angle.

  10. Klein tunnelling and electron trapping in nanometre-scale graphene quantum dots

    Science.gov (United States)

    Gutiérrez, Christopher; Brown, Lola; Kim, Cheol-Joo; Park, Jiwoong; Pasupathy, Abhay N.

    2016-11-01

    Relativistic fermions that are incident on a high potential barrier can pass through unimpeded, a striking phenomenon termed the `Klein paradox’ in quantum electrodynamics. Electrostatic potential barriers in graphene provide a solid-state analogue to realize this phenomenon. Here, we use scanning tunnelling microscopy to directly probe the transmission of electrons through sharp circular potential wells in graphene created by substrate engineering. We find that electrons in this geometry display quasi-bound states where the electron is trapped for a finite time before escaping via Klein tunnelling. We show that the continuum Dirac equation can be successfully used to model the energies and wavefunctions of these quasi-bound states down to atomic dimensions. We demonstrate that by tuning the geometry of the barrier it is possible to trap particular energies and angular momentum states with increased efficiency, showing that atomic-scale electrostatic potentials can be used to engineer quantum transport through graphene.

  11. Dynamics of localized Kaluza-Klein black holes in a collapsing universe

    CERN Document Server

    Kastor, David; Traschen, Jennie

    2011-01-01

    The Clayton Antitrust Act of 1914 prohibits corporate mergers that would result in certain highly undesired end states. We study an exact solution of the Einstein equations describing localized, charged Kaluza-Klein black holes in a collapsing deSitter universe and seek to demonstrate that a similar effect holds, preventing a potentially catastrophic black hole merger. As the collapse proceeds, it is natural to expect that the black hole undergoes a topological transition, wrapping around the shrinking compact dimension to merge with itself and form a black string. However, the putative uniform charged black string end state is singular and such a transition would violate (a reasonable notion of) cosmic censorship. We present analytic and numerical evidence that strongly suggests the absence of such a transition. Based on this evidence, we expect that the Kaluza-Klein black hole horizon stays localized, despite the increasingly constraining size of the compact dimension. On the other hand, the deSitter horizo...

  12. Thermal relic abundance of the lightest Kaluza-Klein particle in phenomenological universal extra dimension models

    CERN Document Server

    Ishigure, Yoshiaki; Santa, Akiteru

    2016-01-01

    Universal extra dimension models with Kaluza-Klein parity provide us excellent candidates for dark matter. We consider phenomenological universal extra dimension models where the Kaluza-Klein (KK) mass spectrum is different from that of the minimal universal extra dimension model, and compute the thermal relic abundance of the first KK mode of the photon taking into account the production of second KK particles. It is pointed out that its thermal relic abundance depends significantly on the mass degeneracy between the KK-photon and other KK particles because of considerable coannihilation effects. The cosmologically favored compactification scale is shown to range from around 1 TeV to a few TeV even in the cases where one of the first KK particles is tightly degenerate with the first KK photon in mass.

  13. Construction of Green's Functions for the Two-Dimensional Static Klein-Gordon Equation

    Institute of Scientific and Technical Information of China (English)

    MELNIKOV Yu. A.

    2011-01-01

    In contrast to the cognate Laplace equation, for which a vast number of Green's functions is available, the field is not that developed for the static Klein-Gordon equation. The latter represents, nonetheless, a natural area for application of some of the methods that are proven productive for the Laplace equation. The perspective looks especially attractive for the methods of images and eigenfunction expansion.This study is based on our experience recently gained on the construction of Green's functions for elliptic partial differential equations. An extensive list of boundary-value problems formulated for the static Klein-Gordon equation is considered. Computerfriendly representations of their Green's functions are obtained, most of which have never been published before.

  14. Klein-Gordon Transformation sans Extraneous Insertions: the Isomorphic Classical Complement to a Quantum System

    CERN Document Server

    Kauffmann, Steven Kenneth

    2013-01-01

    The historical Klein-Gordon transformation of complex-valued first-order in time Schroedinger equations iterates these in a naively straightforward way which changes them into complex-valued second-order in time equations that have a plethora of extraneous solutions -- the transformation is an operator-calculus analogue of the squaring of both sides of an algebraic equation. The real and imaginary parts of a Schroedinger equation, however, are well known to be precisely the dynamical equation pair of the real-valued classical Hamiltonian functional which is numerically equal to the expectation value of that Schroedinger equation's Hermitian Hamiltonian operator. The purely real-valued second-order in time Euler-Lagrange equation of the corresponding classical Lagrangian functional is also isomorphic to that Schroedinger equation, and for symmetric Hamiltonians has exactly the same formal appearance as the corresponding naive complex-valued Klein-Gordon equation, but none of the latter's extraneous solutions. ...

  15. Theories on anxiety in Freud and Melanie Klein. Their metapsychological status.

    Science.gov (United States)

    De Bianchedi, E T; Scalozub De Boschan, L; De Cortiñas, L P; De Piccolo, E G

    1988-01-01

    This paper presents a comparative study of the theories on anxiety formulated by Freud and Melanie Klein, with particular emphasis on the questions of its origin, its meaning for the individual and its function in both theoretical systems. The purpose of this comparative analysis is to offer an instrument which helps frame the theoretical discussions in psychoanalysis in an epistemological context. The authors hold that for Freud anxiety is considered as one more amongst the various manifestations of mental life, which his general theories try to explain, whereas for Melanie Klein anxiety and its destinies occupies a central place in her theories on mental functioning. The differences in both theories, which the authors of this paper describe, especially as to origin, function and meaning of anxiety, respond partially to the different metapsychological points of view with which both authors focus mental life--points of view which they have themselves investigated in a previous paper.

  16. Phenomenology of neutrino physics in the Kaluza-Klein theories of low scale gravity

    CERN Document Server

    Ioannisian, A N

    2001-01-01

    We discuss the phenomenological consequences of theories which describe sterile neutrinos in large extra dimensions. We show that the Kaluza-Klein tower of the singlet neutrinos, albeit tiny individual contribution in electroweak processes, act cumulatively, giving rise to non-universality of the weak interactions of the light neutrinos and to flavour-violating radiative processes. Owing to these non-decoupling effects of th Kaluza--Klein neutrinos, we derive strong constraints on the parameters of the theory that originates from the non-observation of flavour-violating and universality-breaking phenomena. In this theory we propose a four-neutrino model which can reconcile the existing data coming from underground experiments in terms of neutrino oscillations, together with the hint from the LSND experiment and a possible neutrino contribution to the hot dark matter of the Universe.

  17. On Global attraction to solitary waves for Klein-Gordon equation with concentrated nonlinearity

    OpenAIRE

    Kopylova, Elena

    2016-01-01

    The global attraction is proved for the nonlinear 3D Klein-Gordon equation with a nonlinearity concentrated at one point. Our main result is the convergence of each "finite energy solution" to the manifold of all solitary waves as $t\\to\\pm\\infty$. This global attraction is caused by the nonlinear energy transfer from lower harmonics to the continuous spectrum and subsequent dispersion radiation. We justify this mechanism by the following strategy based on inflation of spectrum by the nonlinea...

  18. Exact travelling wave solutions for four forms of nonlinear Klein-Gordon equations

    Energy Technology Data Exchange (ETDEWEB)

    Sirendaoreji [College of Mathematical Science, Inner Mongolia Normal University, Huhhot 010022, Inner Mongolia (China)]. E-mail: siren@imnu.edu.cn

    2007-04-09

    A variable separated equation and its solutions are used to construct the exact travelling wave solutions for four forms of nonlinear Klein-Gordon equations. The solutions previously obtained by the tanh and sech method are recovered. New and more exact travelling wave solutions including solitons, kink and anti-kink, bell and anti-bell solitary wave solutions, periodic solutions, singular solutions and exponential solutions are found.

  19. “Sleeping beauty syndrome”: two cases of Kleine-Levin syndrome

    Directory of Open Access Journals (Sweden)

    Soumik Sengupta

    2015-01-01

    Full Text Available Two cases of Kleine-Levin syndrome (KLS, manifested in fifth and first decade of life respectively, are presented. The first case presented with episodic pattern of hyper somnolence and mood changes whereas the second case presented with hyper somnolence, behavioural and cognitive symptoms. Both of them had responded well with adequate trial of lithium. In both the cases, onset is in the extremes of their ages, which is rarely found.

  20. CALVIN KLEIN JEANS宣布推出限量系列

    Institute of Scientific and Technical Information of China (English)

    2016-01-01

    CALVIN KLEIN JEANS日前宣布推出以街头风格为启发并以同色系品牌logo为设计中心的全新限量系列。此次全球广告大片是由网络名人Cameron Dallas和超模StellaLucia倾情演绎,并由摄影师Jack Pierson于加利福尼亚马里布拍摄。

  1. CALVIN KLEIN JEANS发布2009春夏系列广告

    Institute of Scientific and Technical Information of China (English)

    王杰(编); Holly(译)

    2009-01-01

    最近.CALVIN KLEIN JEANs推出针对平面和户外的全新2009春夏广告。这一系列的广告为著名摄影师Steven MelSel的作品.其构思大胆新奇.场面华美,在户外超大广告牌上展示,视觉冲击力极强。

  2. Calvin Klein Jeans巡展牛仔裤立体装置

    Institute of Scientific and Technical Information of China (English)

    雨墨(译)

    2006-01-01

    为了进一步将品牌形象推上高峰,Calvin Klein Jeens特地制作了一个大型牛仔裤立体装置,并于中国境内各主要城市开展巡回展示。首站为上海久光户外广场,然后再转道其他城市展出。

  3. ORBITAL INSTABILITY OF STANDING WAVES FOR THE COUPLED NONLINEAR KLEIN-GORDON EQUATIONS

    Institute of Scientific and Technical Information of China (English)

    Gan Zaihui; Guo Boling; Zhang Jian

    2008-01-01

    This paper deals with a type of standing waves for the coupled nonlin-ear Klein-Gordon equations in three space dimensions. First we construct a suitable constrained variational problem and obtain the existence of the standing waves with ground state by using variational argument. Then we prove the orbital instability of the standing waves by defining invariant sets and applying some priori estimates.

  4. Downward relativistic potential step and phenomenological account of Bohmian trajectories of the Klein paradox

    Science.gov (United States)

    Razavi, M.; Mollai, M.; Jami, S.; Ahanj, A.

    2016-09-01

    The Dirac equation has been applied to fermions scattering from the downward potential step. The results show that some particles do not fall off the edge of the step and reflect. Then, based on the de Broglie-Bohm interpretation of quantum mechanics (Bohmian mechanics) and Bohmian trajectories we have resolved the problem. Lastly, a phenomenological study of the Bohmian trajectory of the Klein paradox has been discussed.

  5. Logical inference approach to relativistic quantum mechanics: Derivation of the Klein-Gordon equation

    Science.gov (United States)

    Donker, H. C.; Katsnelson, M. I.; De Raedt, H.; Michielsen, K.

    2016-09-01

    The logical inference approach to quantum theory, proposed earlier De Raedt et al. (2014), is considered in a relativistic setting. It is shown that the Klein-Gordon equation for a massive, charged, and spinless particle derives from the combination of the requirements that the space-time data collected by probing the particle is obtained from the most robust experiment and that on average, the classical relativistic equation of motion of a particle holds.

  6. Superluminal solutions to the Klein-Gordon equation and a causality problem

    CERN Document Server

    Borghardt, A A; Karpenko, D Y

    2003-01-01

    We present a new axially symmetric monochromatic free-space solution to the Klein-Gordon equation propagating with a superluminal group velocity and show that it gives rise to an imaginary part of the causal propagator outside the light cone. We address the question about causality of the spacelike paths and argue that the signal with a well-defined wavefront formed by the superluminal modes would propagate in vacuum with the light speed.

  7. Kaluza-Klein Theory as a Dynamics in a Dual Geometry

    CERN Document Server

    Gershon, Avi

    2009-01-01

    It has been shown that the orbits of motion for a wide class of non-relativistic Hamiltonian systems can be described as geodesic flow on a manifold and an associated dual. This method can be applied to a four dimensional manifold of orbits in space-time associated with a relativistic system. One can study the consequences on the geometry of the introduction of electromagnetic interaction. We find that resulting geometrical structure in the dual space is that of Kaluza and Klein.

  8. Bishop-Runge approximations and inversion of a Riemann-Klein theorem

    Science.gov (United States)

    Henkin, G. M.; Michel, V.

    2015-02-01

    In this paper we give results about projective embeddings of Riemann surfaces, smooth or nodal, which we apply to the inverse Dirichlet-to-Neumann problem and to the inversion of a Riemann-Klein theorem. To produce useful embeddings, we adapt a technique of Bishop in the open bordered case and use a Runge-type harmonic approximation theorem in the compact case. Bibliography: 37 titles.

  9. Generalized Klein-Gordon and Dirac Equations from Nonlocal Kinetic Approach

    Science.gov (United States)

    El-Nabulsi, Rami Ahmad

    2016-09-01

    In this note, I generalized the Klein-Gordon and the Dirac equations by using Suykens's nonlocal-in-time kinetic energy approach, which is motivated from Feynman's kinetic energy functional formalism where the position differences are shifted with respect to one another. I proved that these generalized equations are similar to those obtained in literature in the presence of minimal length based on the Quesne-Tkachuk algebra.

  10. Dynamical Fermion Masses Under the Influence of Kaluza-Klein Fermions in Randall-Sundrum Background

    CERN Document Server

    Abe, H; Muta, T; Abe, Hiroyuki; Inagaki, Tomohiro; Muta, Taizo

    2001-01-01

    The dynamical fermion mass generation on the D3-brane in the Randall-Sundrum space-time is discussed in a model with bulk fermions in interaction with fermions on the branes. It is found that the dynamical fermion masses are generated at the natural (R.-S.) radius of the compactified extra space and may be made small compared with masses of the Kaluza-Klein modes which is of order of TeV.

  11. Multisymplectic implicit and explicit methods for Klein-Gordon-Schr(o)dinger equations

    Institute of Scientific and Technical Information of China (English)

    Cai Jia-Xiang; Yang Bin; Liang Hua

    2013-01-01

    We propose multisymplectic implicit and explicit Fourier pseudospectral methods for the Klein-Gordon-Schr(o)dinger equations.We prove that the implicit method satisfies the charge conservation law exactly.Both methods provide accurate solutions in long-time computations and simulate the soliton collision well.The numerical results show the abilities of the two methods in preserving the charge,energy,and momentum conservation laws.

  12. Topological symmetry breaking of self-interacting fractional Klein-Gordon field theories on toroidal spacetime

    Energy Technology Data Exchange (ETDEWEB)

    Lim, S C [Faculty of Engineering, Multimedia University, Jalan Multimedia, Cyberjaya, 63100, Selangor Darul Ehsan (Malaysia); Teo, L P [Faculty of Information Technology, Multimedia University, Jalan Multimedia, Cyberjaya, 63100, Selangor Darul Ehsan (Malaysia)], E-mail: sclim@mmu.edu.my, E-mail: lpteo@mmu.edu.my

    2008-04-11

    Quartic self-interacting fractional Klein-Gordon scalar massive and massless field theories on toroidal spacetime are studied. The effective potential and topologically generated mass are determined using zeta-function regularization technique. Renormalization of these quantities are derived. Conditions for symmetry breaking are obtained analytically. Simulations are carried out to illustrate regions or values of compactified dimensions where symmetry-breaking mechanisms appear.

  13. Exact bound state solutions of the Klein-Gordon particle in Hulthén potential

    Institute of Scientific and Technical Information of China (English)

    Zhang Min-Cang

    2008-01-01

    In this paper,the Klein-Gordon equation with the spherical symmetric Hulthén potential is turned into a hypergeometric equation and is solved in the framework of function analysis exactly.The corresponding bound state solutions are expressed in terms of the hypergeometric function,and the energy spectrum of the bound states is obtained as a solution to a given equation by boundary constraints.

  14. Scattering State of Klein-Gordon Particles by q-Parameter Hyperbolic Poschl-Teller Potential

    Directory of Open Access Journals (Sweden)

    Akpan Ndem Ikot

    2015-01-01

    Full Text Available The one-dimensional Klein-Gordon equation for equal vector and scalar q-parameter hyperbolic Poschl-Teller potential is solved in terms of the hypergeometric functions. We calculate in detail the solutions of the scattering and bound states. By virtue of the conditions of equation of continuity of the wave functions, we obtained explicit expressions for the reflection and transmission coefficients and energy equation for the bound state solutions.

  15. Klein瓶上的奇异地图%SINGULAR MAPS ON THE KLEIN BOTTLE

    Institute of Scientific and Technical Information of China (English)

    李赵祥; 刘彦佩

    2002-01-01

    It is well known that singular maps(I.e.,those have only one face on a surface)play a key role in the theory of up-embeddability of graphs.In this paper the number of rooted singular maps on the Klein bottle is studied.An explicit form of the enumerating function according to the root-valency and the size of the map is determined.Further,an expression of the vertex partition function is also found.

  16. Melanie Klein, una princesa que creó su propio reino.

    Directory of Open Access Journals (Sweden)

    Antonio Sánchez-Barranco Ruiz

    2004-01-01

    Full Text Available Las formulaciones kleinianas no pueden ser encuadradas como un mero desarrollo del psicoanálisis freudiano, dado que suponen cambios radicales en su metapsicología, núcleo intocable del sistema. En todo caso, Melanie Klein merece un lugar de privilegio entre las mujeres pioneras que aportaron ideas originales a la psicología del inconsciente y aunque siempre se autoconsideró una fiel seguidora de Freud, terminó desarrollando su propio reino.

  17. Misreading the Body:E. T. A. Hoffmann's Klein Zaches, genannt Zinnober

    OpenAIRE

    Joshua, Eleoma

    2010-01-01

    In his tale Klein Zaches, genannt Zinnober (1819) German Romantic writer E. T. A. Hoffmann demonstrates that the relationship between the body and its identity cannot be accurately detected by the person viewing the body because perspective is always coloured by powerful viewing practices that have cultural, social, and ideological origins. His narrative uses the example of the deformed body to show that especially if the body challenges the norms, it contests the readings that the viewer imp...

  18. Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean.

    Science.gov (United States)

    Van Soest, Rob W M; Meesters, Erik H W G; Becking, Leontine E

    2014-10-29

    Four submersible dives off the coast of Bonaire (Caribbean Netherlands) and Klein Curaçao (Curaçao) to depths of 99.5-242 m, covering lower mesophotic and upper dysphotic zones, yielded 52 sponge specimens belonging to 31 species. Among these we identified 13 species as new to science. These are Plakinastrella stinapa n. sp., Pachastrella pacoi n. sp., Characella pachastrelloides n. sp., Geodia curacaoensis n. sp., Caminus carmabi n. sp., Discodermia adhaerens n. sp., Clathria (Microciona) acarnoides n. sp., Antho (Acarnia) pellita n. sp., Parahigginsia strongylifera n. sp., Calyx magnoculata n. sp., Neopetrosia dutchi n. sp., Neopetrosia ovata n. sp. and Neopetrosia eurystomata n. sp. We also report an euretid hexactinellid, which belongs to the rare genus Verrucocoeloidea, recently described (2014) as V. liberatorii Reiswig & Dohrmann. The remaining 18 already known species are all illustrated by photos of the habit, either in situ or 'on deck', but only briefly characterized in an annotated table to confirm their occurrence in the Southern Caribbean. The habitat investigated-steep limestone rocks, likely representing Pleistocene fossil reefs--is similar to deep-water fossil reefs at Barbados of which the sponges were sampled and studied by Van Soest and Stentoft (1988). A comparison is made between the two localities, showing a high degree of similarity in sponge composition: 53% of the present Bonaire-Klein Curaçao species were also retrieved at Barbados. At the level of higher taxa (genera, families) Bonaire-Klein Curaçao shared approximately 80% of its lower mesophotic and upper dysphotic sponge fauna with Barbados, despite a distance between them of 1000 km, indicating high faunal homogeneity. We also preliminarily compared the shallow-water (euphotic) sponge fauna of Curaçao with the combined data available for the Barbados, Bonaire and Klein Curaçao mesophotic and upper dysphotic sponges, which resulted in the conclusion that the two faunas show only

  19. Killig-Yano Tensors of Valence-2 in the Standart Kaluza-Klein Theory

    CERN Document Server

    Nurbaki, Ali Nur

    2011-01-01

    This work is constructed on two main concepts: Killing-Yano symmetry and the Kaluza-Klein theory. Those concepts are reviewed in the first three chapters. In the fourth chapter firstly Killing-Yano equations of valence-2 are obtained for a general 5-dimensional metric and then reduced for the Minkowski metric. It is seen that in order to save the existence of Killing-Yano tensors with the fifth components some conditions must be satisfied

  20. Fast magnetic and electric dynamos in flat Klein bottle plasma flows

    CERN Document Server

    de Andrade, L C Garcia

    2009-01-01

    Recently Shukurov et al [Phys Rev \\textbf{E} (2008)] presented a numerical solution of a Moebius strip dynamo flow, to investigate its use in modelling dynamo flows in Perm torus of liquid sodium dynamo experiments. Here, by analogy one presents an electric dynamo on a twisted torus or Klein bottle topology. An exact solution in the form of flat Klein bottle dynamo flow is obtained. It is shown that even in the absence of magnetic dynamos initial electric fields can be amplified in distinct points of the Klein bottle. In this case diffusion is taken as ${\\eta}\\approx{5.0{\\times}10^{-3}{\\Omega}-m}$ the electric potential is obtained. The difference of electric fields at the beginning of plasma flow profile is ${\\Delta}E_{Dyn}\\approx{468\\frac{V}{m}}$, which is stronger than the electric dynamo field obtained in the magnetic axis of spheromaks, which is of the order of $E_{Dyn}\\approx{200\\frac{V}{m}}$. The potential of the dynamo at the surface of the Earth computed by Boozer [Phys Fluids \\textbf{B} (1993)] of $...

  1. The Einstein-Klein-Gordon Equations, Wave Dark Matter, and the Tully-Fisher Relation

    CERN Document Server

    Goetz, Andrew S

    2015-01-01

    We examine the Einstein equation coupled to the Klein-Gordon equation for a complex-valued scalar field. These two equations together are known as the Einstein-Klein-Gordon system. In the low-field, non-relativistic limit, the Einstein-Klein-Gordon system reduces to the Poisson-Schr\\"odinger system. We describe the simplest solutions of these systems in spherical symmetry, the spherically symmetric static states, and some scaling properties they obey. We also describe some approximate analytic solutions for these states. The EKG system underlies a theory of wave dark matter, also known as scalar field dark matter (SFDM), boson star dark matter, and Bose-Einstein condensate (BEC) dark matter. We discuss a possible connection between the theory of wave dark matter and the baryonic Tully-Fisher relation, which is a scaling relation observed to hold for disk galaxies in the universe across many decades in mass. We show how fixing boundary conditions at the edge of the spherically symmetric static states implies T...

  2. Harrison transformation and charged black objects in Kaluza-Klein theory

    Science.gov (United States)

    Kleihaus, Burkhard; Kunz, Jutta; Radu, Eugen; Stelea, Cristian

    2009-09-01

    We generate charged black brane solutions in D-dimensions in a theory of gravity coupled to a dilaton and an antisymmetric form, by using a Harrison-type transformation. The seed vacuum solutions that we use correspond to uplifted Kaluza-Klein black strings and black holes in (D-p)-dimensions. A generalization of the Marolf-Mann quasilocal formalism to the Kaluza-Klein theory is also presented, the global charges of the black objects being computed in this way. We argue that the thermodynamics of the charged solutions can be derived from that of the vacuum configurations. Our results show that all charged Kaluza-Klein solutions constructed by means of Harrison transformations are thermodynamically unstable in a grand canonical ensemble. The general formalism is applied to the case of nonuniform black strings and caged black hole solutions in D = 5,6 Einstein-Maxwell-dilaton gravity, whose geometrical properties and thermodynamics are discussed. We argue that the topology changing transition scenario, which was previously proposed in the vacuum case, also holds in this case. Spinning generalizations of the charged black strings are constructed in six dimensions in the slowly rotating limit. We find that the gyromagnetic ratio of these solutions possesses a nontrivial dependence on the nonuniformity parameter.

  3. Harrison transformation and charged black objects in Kaluza-Klein theory

    CERN Document Server

    Kleihaus, Burkhard; Radu, Eugen; Stelea, Cristian

    2009-01-01

    We generate charged black brane solutions in $D-$dimensions in a theory of gravity coupled to a dilaton and an antisymmetric form, by using a Harrison-type transformation. The seed vacuum solutions that we use correspond to uplifted Kaluza-Klein black strings and black holes in $(D-p)$-dimensions. A generalization of the Marolf-Mann quasilocal formalism to the Kaluza-Klein theory is also presented, the global charges of the black objects being computed in this way. We argue that the thermodynamics of the charged solutions can be derived from that of the vacuum configurations. Our results show that all charged Kaluza-Klein solutions constructed by means of Harrison transformations are thermodynamically unstable in a grand canonical ensemble. The general formalism is applied to the case of nonuniform black strings and caged black hole solutions in $D=5, 6$ Einstein-Maxwell-dilaton gravity, whose geometrical properties and thermodynamics are discussed. We argue that the topology changing transition scenario, whi...

  4. The Struggle of Integration: James Baldwin and Melanie Klein in the Context of Black Lives Matter

    Directory of Open Access Journals (Sweden)

    David W McIvor

    2016-12-01

    Full Text Available Recent killings of unarmed black citizens are a fresh reminder of the troubled state of racial integration in the United States. At the same time, the unfolding Black Lives Matter protest movements and the responses by federal agencies each testify to a not insignificant capacity for addressing social pathologies surrounding the color line. In order to respond to this ambivalent situation, this article suggests a pairing between the work of James Baldwin and that of the psychoanalyst Melanie Klein. I will argue that we cannot fully appreciate the depths of what Baldwin called the “savage paradox” of race without the insights provided by Klein and object relations psychoanalysis. Conversely, Baldwin helps us to sound out the political significance of object relations approaches, including the work of Klein and those influenced by her such as Hanna Segal and Wilfred Bion. In conversation with the work of Baldwin, object relations theory can help to identify particular social settings and institutions that might allow concrete efforts toward racial justice to take root.

  5. The life and work of Melanie Klein in the British Psycho-Analytical Society.

    Science.gov (United States)

    King, P H

    1983-01-01

    This paper describes certain aspects of the life and work of Melanie Klein in the British Psycho-Analytical Society. It attempts to highlight the reciprocity of the relationship between Melanie Klein and other members of that Society by showing how the climate of psychoanalytical opinion that was prevalent among members of that Society during the first decade of her stay in London, and which encouraged discussion of clinical work and interest in psychoanalytical discovery, provided a congenial setting for her to become firmly established as an active member of the British Society and to continue her contributions to psychoanalytic theory and clinical expertise. The paper also traces the development of Melanie Klein's main theoretical contributions, together with relevant criticisms of them as they emerged, against the background of the history of the British Psycho-Analytical Society. It describes the controversies that arose as to whether or not her ideas could properly be viewed within the framework of psychoanalytic theory, as formulated by Freud, and the attempted resolution of these controversies, together with some comments on the repercussions of these theoretical disagreements on relationships within the Society. An extensive list of references is included to facilitate a more detailed study of the subject.

  6. The "new" democratic woman of modernity: Georgia O'Keeffe and Melanie Klein.

    Science.gov (United States)

    Gadt, J C

    1994-06-01

    O'Keeffe put into visual language the psychic splitting that had occurred between the sexes in the United States, attempting to integrate what had formerly been separated as feminine and masculine into the female psyche. In her most important contribution, she explored presence rather than absence and opened up possibilities for thinking about openings. The concept of the female opening in particular had heretofore been assigned a negative meaning, signifying more often than not a gaping wound rather than a space and place of possibilities. Klein's complex and evocative understanding of some of the earliest mental processes of life enabled researchers to delve into the meanings made of the presence of the mother and father and baby, in the context of the baby's body-mind. Klein's female or male baby desires to know from the beginning. She discovered splitting and projective identification, the development of anxiety and guilt under the aegis of these mental processes, the multiple meanings of aggression, and, significantly, she permitted the female baby's body to have its own language. The answers provided by O'Keeffe and Klein bequeathed new possibilities for women's self-invention and remain pivot points for female identity throughout the century, to be confronted again by the second wave of feminism beginning in the late 1960s, by "postfeminist" debates, and by a challenged psychoanalysis. A more careful probing of these issues may help us to better understand our past so as to have greater resources for a more comprehensive reading of our present.

  7. Product interval automata

    Indian Academy of Sciences (India)

    Deepak D’Souza; P S Thiagarajan

    2002-04-01

    We identify a subclass of timed automata called product interval automata and develop its theory. These automata consist of a network of timed agents with the key restriction being that there is just one clock for each agent and the way the clocks are read and reset is determined by the distribution of shared actions across the agents. We show that the resulting automata admit a clean theory in both logical and language theoretic terms. We also show that product interval automata are expressive enough to model the timed behaviour of asynchronous digital circuits.

  8. Marie and Irene Curie. The first female Nobel Prize winners; Marie en IreneCurie. De eerste vrouwelijke Nobelprijswinnaars

    Energy Technology Data Exchange (ETDEWEB)

    Noordenbos, G. [Joke Smit Instituut voor Vrouwenstudies, Universiteit Leiden, Leiden (Netherlands)

    2003-07-01

    Marie Curie was awarded the Nobel Prize in 1903 and in 1911. Also her daughter, Irene Joliot-Curie, received a Nobel Prize for science in 1935. In this book an overview is given of the academic world at that time: limited access to universities for women, the carriers of both women in physics and their pioneering research and discoveries, the refusal of Marie Curie by the French Academy of Sciences, the awarding of the Nobel Prize and the assignment of Irene Joliot-Curie as the first female minister in France, the impact of the two World Wars, their married and private lives and the constant smear campaign of the press against both women. The lives and works of both women are hold against the light of the present position of women in physical sciences. [Dutch] In 1903, precies honderd jaar geleden, ontving Marie Curie als eerste vrouw de Nobelprijs voor de Wetenschap, gevolgd door een tweede Nobelprijs in 1911. Ook haar dochter Irene Joliot-Curie kreeg de Nobelprijs voor de wetenschap in 1935. Marie and Irene Curie schetst een breed beeld van de academische wereld waarin beide vrouwen zich bewogen: de beperkte toegang van vrouwen tot de universiteit, hun carrisres in de natuurkunde en baanbrekende ontdekkingen, de afwijzing van Marie door de Franse Academie des Sciences, de toekenning van de Nobelprijs en de benoeming van Irene als eerste vrouwelijke minister in Frankrijk, de invloed van de twee Wereldoorlogen, hun huwelijks- en priveleven en de niet aflatende hetze van de pers tegen beiden. In de door mannen gedomineerde wereld van de natuurwetenschappen liep de uitzonderingspositie van beide vrouwen als rode draad door hun curieuze levens. Het leven en werk van de Curies wordt geactualiseerd door deze tegen het licht te houden van de huidige positie van vrouwen in de natuurwetenschappen. Het bereiken van de top van de wetenschap door vrouwen blijkt nog steeds uitzonderlijk.

  9. 33 CFR 165.T09-0290 - Safety Zones; Blasting Operations and Movement of Explosives, St. Marys River, Sault Sainte Marie...

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Safety Zones; Blasting Operations and Movement of Explosives, St. Marys River, Sault Sainte Marie, MI. 165.T09-0290 Section 165.T09-0290... Limited Access Areas Ninth Coast Guard District § 165.T09-0290 Safety Zones; Blasting Operations...

  10. Bound states of Klein-Gordon equation for generalized Hartmann potentials%一般Hartmann势Klein-Gordon方程的束缚态

    Institute of Scientific and Technical Information of China (English)

    陆法林; 陈红霞; 陈昌远

    2005-01-01

    用分离变量方法讨论了在一般Hartmann标量势和矢量势相等条件下Klein-Gordon方程的束缚态解.体系的性质与三个量子数及一般Hartmann势的势参数有关.给出了用广义连带勒让德多项式表示的归一化角向波函数和用合流超几何函数表示的归一化径向波函数,获得了精确的束缚态能谱方程.氢原子势、类氢原子势和Hartmann势是本文一般Hartmann势的三个特例.

  11. Interval methods: An introduction

    DEFF Research Database (Denmark)

    Achenie, L.E.K.; Kreinovich, V.; Madsen, Kaj

    2006-01-01

    . An important characteristic of the computer performance in scientific computing is the accuracy of the Computation results. Often, we can estimate this accuracy by using traditional statistical techniques. However, in many practical situations, we do not know the probability distributions of different...... the potential for solving increasingly difficult computational problems. However, given the complexity of modern computer architectures, the task of realizing this potential needs careful attention. A main concern of HPC is the development of software that optimizes the performance of a given computer...... measurement, estimation, and/or roundoff errors, we only know estimates of the upper bounds on the corresponding measurement errors, i.e., we only know an interval of possible values of each such error. The papers from the following chapter contain the description of the corresponding '' interval computation...

  12. Varieties of Confidence Intervals.

    Science.gov (United States)

    Cousineau, Denis

    2017-01-01

    Error bars are useful to understand data and their interrelations. Here, it is shown that confidence intervals of the mean (CI M s) can be adjusted based on whether the objective is to highlight differences between measures or not and based on the experimental design (within- or between-group designs). Confidence intervals (CIs) can also be adjusted to take into account the sampling mechanisms and the population size (if not infinite). Names are proposed to distinguish the various types of CIs and the assumptions underlying them, and how to assess their validity is explained. The various CIs presented here are easily obtained from a succession of multiplicative adjustments to the basic (unadjusted) CI width. All summary results should present a measure of precision, such as CIs, as this information is complementary to effect sizes.

  13. Applications of interval computations

    CERN Document Server

    Kreinovich, Vladik

    1996-01-01

    Primary Audience for the Book • Specialists in numerical computations who are interested in algorithms with automatic result verification. • Engineers, scientists, and practitioners who desire results with automatic verification and who would therefore benefit from the experience of suc­ cessful applications. • Students in applied mathematics and computer science who want to learn these methods. Goal Of the Book This book contains surveys of applications of interval computations, i. e. , appli­ cations of numerical methods with automatic result verification, that were pre­ sented at an international workshop on the subject in EI Paso, Texas, February 23-25, 1995. The purpose of this book is to disseminate detailed and surveyed information about existing and potential applications of this new growing field. Brief Description of the Papers At the most fundamental level, interval arithmetic operations work with sets: The result of a single arithmetic operation is the set of all possible results as the o...

  14. Nanoparticle de-acidification of the Mary Rose

    Directory of Open Access Journals (Sweden)

    Eleanor J. Schofield

    2011-07-01

    Full Text Available The preservation of waterlogged archaeological wooden finds, such as Henry VIII's flagship the Mary Rose1–3, is complicated by the biological, chemical, and mechanical changes induced from prolonged exposure to a marine environment. Of particular concern are sulfur species that form acidic compounds that attack wood4. Here we show that different sulfur compounds do not form acids at the same rate or pathway and propose a preservation strategy of applying SrCO3 nanoparticles. These nanoparticles not only neutralize problematic sulfuric acid, but also reduced sulfur compounds, such as sulfur and pyrite, which pose a long term threat. This is the first treatment that eliminates acidification at the root. Although this strategy was devised for the Mary Rose, it could be employed to preserve any archaeological organic artifact rich in problematic sulfur, from sunken ships5,6 and silk tapestries7 to ancient texts8 and parchments9.

  15. Mary Shelley's Frankenstein: what made the Monster monstrous?

    Science.gov (United States)

    Britton, Ronald

    2015-02-01

    This paper discusses the genesis of the famous story of Frankenstein which arose from a dream experienced by Mary Shelley whilst on a holiday shared with her husband Percy Shelley, Lord Byron, Dr Polidori and her step sister Claire Clairmont. The novel relates how the creature created by Victor Frankenstein horrifies him, is rejected by him and called a monster. The monster's ensuing despair and subsequent murderousness is eloquently described. The whole book is clearly connected to Mary Shelley's experience as an infant whose mother died after giving birth to her and her subsequent loss, as a mother, of her own new born infant. It is suggested that the novel imaginatively describes what it is to have been primarily rejected as an infant and to feel regarded as a monster.

  16. La modernidad electiva en Mariátegui

    Directory of Open Access Journals (Sweden)

    José Sazbón

    2001-01-01

    Full Text Available La originalidad de Mariátegui como político y pensador socialista ha sido estudiada desde diversas perspectivas. En este trabajo, la atención está centrada en su explícita vocación de “modernidad”, entendida como exigencia de integración del marxismo a las aperturas del pensamiento contemporáneo: filosofía, ciencias y artes, pero también renovada sensibilidad para las intuiciones vitales suscitadas por las convulsiones sociales y políticas de las primeras décadas del siglo. Luego de indicar la significación que revistió para Mariátegui el aporte soreliano -y su coordinación con las opciones indicadas-, se concede importancia a los recursos expresivos de la prosa mariateguiana, inusuales y encomiables.

  17. Kleine-Levin syndrome: interface between neurology and psychiatry Síndrome de Kleine-Levin: interface entre neurologia e psiquiatria

    Directory of Open Access Journals (Sweden)

    Luís Pereira Justo

    2007-03-01

    Full Text Available We report the first episode of Kleine-Levin (KLS syndrome in a 17-year-old male. The illness onset, clinical features, neuropsychological evaluation and polysomnographic recording are described. Typical symptoms hypersomnia, hyperphagia and sexual disinhibition were observed besides behavioral disturbances, polysonographic and neuropsychological alterations. Behavioral disturbances similar to a manic episode including psychotic symptoms were relevant. The pharmacologic treatment included lithium, methylphenidate and risperidone. The introduction of risperidone aimed the control of psychotic symptoms and the persistent manifestations of hypersexuality after sleepness control and to the best of our knowledge there are no other report regarding risperidone use for KLS in the literature.Relatamos o primeiro episódio de síndrome de Kleine-Levin (SKL num adolescente de 17 anos. São descritos o modo de aparecimento da doença, achados clínicos, avaliação neuropsicológica e polissonografia. Foram observados sintomas típicos como hipersonolência, hiperfagia e desinibição sexual, e outras alterações comportamentais, polissonográficas e neuropsicológicas. As alterações comportamentais assemelhadas a um episódio de mania, incluindo sintomas psicóticos, foram relevantes. O tratamento farmacológico incluiu lítio, metilfenidato e risperidona. A introdução de risperidona teve por objetivo o controle dos sintomas psicóticos e das persistentes manifestações da hipersexualidade, que permaneceram após diminuição da sonolência; não temos conhecimento de relatos anteriores, na literatura, de seu uso no tratamento da SKL.

  18. Tapatumo problema Marie Ndiaye romanuose | Le probleme d’identite dans les romans de Marie Ndiaye

    Directory of Open Access Journals (Sweden)

    Eglė Kačkutė

    2004-01-01

    Full Text Available L’article traite le problème de l’identité féminine dans les deux derniers romans de l’auteur française Marie Ndiaye La Sorcière et Rosie Carpe. La notion d’identité est abordée à travers des théories contemporaines d’identité, résumées par Calvin O. Schrag dans le livre The Self After Postmodernity (Le Soi après la Postmodernité, et celle de Judith Butler. Nous nous concentrons sur trois aspects d’identité : discursif, actif et communautaire. L’auteur de l’article se pose pour but de prouver que la résolution du problème d’identité dans la littérature des femmes a changé dans les dix dernières années. Les écrivains femmes des années 70 et 80 posent le problème d’identité féminine de point de vue du genre, tandis que Ndiaye présente le problème du point de vue universel, c’est-à-dire, communautaire et social. L’identité chez Ndiaye ne peut pas être établie qu’à travers la communauté sociale représentée par la famille. Nous parvenons à la conclusion que les personnages des romans analysés, étant à la recherche perpétuelle de leur identité ne parviennent quand même pas à la créer.

  19. Baltika kvartal = Baltika Quarter / Maris Kerge, Kadri Kerge

    Index Scriptorium Estoniae

    Kerge, Maris

    2010-01-01

    Rekonstrueeritud Baltika tööstushoonest: Moetänavast ja AS Baltika büroodest. Projekteerija, sisearhitektuur büroode osas: Studio 3 (4 arhitekti), büroo Kolm Pluss Üks (9 arhitekti). Sisearhitektuur Moetänava osas: Pekka Porkanen, Maris Kerge, Ott Kangur, Maire Milder, Lembit-Kaur Stöör, Ülo-Tarmo Stöör, Lauri Eltermaa, Pärtel Eelma. Projekt: 2007-2009, valmis: 2009

  20. Global Supply Chain: An Executive Interview with Mary Shelman

    OpenAIRE

    Jose, H. Douglas

    2009-01-01

    Mary Shelman discusses forces driving higher food prices and some of the changes which are impacting the global food supply chain. Shelman coordinates Harvard Business School’s premier Agribusiness Seminar attended annually by more than 200 CEOs and top managers from global firms. She also organizes and teaches similar programs in Europe, Latin America and Asia. Her research focuses on the forces shaping global agribusiness. Her experience bridges academia, as an author and teacher of dozen...

  1. Baltika kvartal = Baltika Quarter / Maris Kerge, Kadri Kerge

    Index Scriptorium Estoniae

    Kerge, Maris

    2010-01-01

    Rekonstrueeritud Baltika tööstushoonest: Moetänavast ja AS Baltika büroodest. Projekteerija, sisearhitektuur büroode osas: Studio 3 (4 arhitekti), büroo Kolm Pluss Üks (9 arhitekti). Sisearhitektuur Moetänava osas: Pekka Porkanen, Maris Kerge, Ott Kangur, Maire Milder, Lembit-Kaur Stöör, Ülo-Tarmo Stöör, Lauri Eltermaa, Pärtel Eelma. Projekt: 2007-2009, valmis: 2009

  2. Trans-Colonial Collaboration and Slave Narrative: Mary Prince Revisited

    Directory of Open Access Journals (Sweden)

    Michelle Gadpaille

    2011-10-01

    Full Text Available In 1831 in London, two formidable women met: Mary Prince, an ex-slave from Bermuda, who had crossed the Atlantic to a qualified freedom, and Susanna Strickland, an English writer. The narrative that emerged from this meeting was The History of Mary Prince, which played a role in the fight for slave emancipation in the British Empire. Prince disappeared once the battle was won, while Strickland emigrated to Upper Canada and, as Susanna Moodie, became an often quoted 19th century Canadian writer. Prince dictated, Strickland copied, and the whole was lightly edited by Thomas Pringle, the anti-slavery publisher at whose house the meeting took place. This is the standard account. In contesting this version, the paper aims to reinstate Moodie as co-creator of the collaborative Mary Prince text by considering multiple accounts of the meeting with Prince and to place the work in the context of Moodie’s pre- and post-emigration oeuvre on both sides of the Atlantic.

  3. The Pasteurization of Marie Curie: A (meta)biographical experiment.

    Science.gov (United States)

    Wirtén, Eva Hemmungs

    2015-08-01

    Biographies of scientists occupy a liminal space, highly popular with general readers but questioned in academia. Nonetheless, in recent years, historians of science have not only embraced the genre with more enthusiasm and less guilt, they have also turned to the metabiography in order to renew the study and story of scientists' roles. This essay focuses on Marie Curie, the world's most famous female scientist, in order to unpack some of the theoretical and methodological claims of the science biography, and especially to address the sexing mechanisms at play in the construction of the biographical subject. Pierre Curie (1923), Marie's biography of her husband Pierre, paid tribute to her dead husband and collaborator, but also allowed Curie a legitimate outlet to construct her own persona and legacy. Categories such as personhood, person, and persona are not only central to the biography genre but also are essential to the sense of self and self-fashioning of scientists. Looking at how Marie Curie negotiated these categories in Pierre Curie not only gives new insight into Curie's self-fashioning strategies but may also shed some light on the more general analytical lacunae of the science biography.

  4. Revisiting Mary Daly: Towards a quadripartite theological and philosophical paradigm

    Directory of Open Access Journals (Sweden)

    Hannelie Wood

    2015-03-01

    Full Text Available I was a tenderfoot in feminist discourse when I started my research on patriarchy, feminism, and Mary Daly. In my thesis, one aspect I engaged was Daly’s battle with gender issues in Christian theology. From the beginning I was troubled by Mary Daly’s views on God, men, and women in her discourse on Christianity. Daly undoubtedly contributed to the discussion on gender issues in the Christian faith, but her focus on androcentrism and her interpretations of Scripture led her to abandon the Christian faith. Mary Daly has written extensively on patriarchy as it is found in religion – particularly in the Christian faith – and how it filters through society. In her critique of patriarchy she set her course to dismantle the facade of a patriarchal and misogynistic God as the root of patriarchy. Daly did not see any positive qualities of the Christian faith and completely rejected other interpretations of a God whose person embraces both male and female qualities. Against this background I will evaluate Daly’s post-Christian feminist theological and philosophical paradigm. I propose that Daly has a quadripartite theological and philosophical paradigm wherein there are four main players. The ‘Who is who’ in Daly’s quadripartite patriarchal theological and philosophical paradigm are the patriarchal male, the patriarchal female, the patriarchal God and the biophilic woman.

  5. Distinctive ultraviolet structure of extra-dimensional Yang-Mills theories by integration of heavy Kaluza-Klein modes

    Science.gov (United States)

    García-Jiménez, I.; Novales-Sánchez, H.; Toscano, J. J.

    2016-05-01

    One-loop Standard Model observables produced by virtual heavy Kaluza-Klein fields play a prominent role in the minimal model of universal extra dimensions. Motivated by this aspect, we integrate out all the Kaluza-Klein heavy modes coming from the Yang-Mills theory set on a spacetime with an arbitrary number, n , of compact extra dimensions. After fixing the gauge with respect to the Kaluza-Klein heavy gauge modes in a covariant manner, we calculate a gauge-independent effective Lagrangian expansion containing multiple Kaluza-Klein sums that entail a bad divergent behavior. We use the Epstein-zeta function to regularize and characterize discrete divergences within such multiple sums, and then we discuss the interplay between the number of extra dimensions and the degree of accuracy of effective Lagrangians to generate or not divergent terms of discrete origin. We find that nonrenormalizable terms with mass dimension k are finite as long as k >4 +n . Multiple Kaluza-Klein sums of nondecoupling logarithmic terms, not treatable by Epstein-zeta regularization, are produced by four-dimensional momentum integration. On the grounds of standard renormalization, we argue that such effects are unobservable.

  6. The distinctive ultraviolet structure of extra-dimensional Yang-Mills theories by integration of heavy Kaluza-Klein modes

    CERN Document Server

    García-Jiménez, I; Toscano, J J

    2016-01-01

    One-loop Standard Model observables produced by virtual heavy Kaluza-Klein fields play a prominent role in the minimal model of universal extra dimensions. Motivated by this aspect, we integrate out all the Kaluza-Klein heavy modes coming from the Yang-Mills theory set on a spacetime with an arbitrary number, $n$, of compact extra dimensions. After fixing the gauge with respect to the Kaluza-Klein heavy gauge modes in a covariant manner, we calculate a gauge independent effective Lagrangian expansion containing multiple Kaluza-Klein sums that entail a bad divergent behavior. We use the Epstein-zeta function to regularize and characterize discrete divergences within such multiple sums, and then we discuss the interplay between the number of extra dimensions and the degree of accuracy of effective Lagrangians to generate or not divergent terms of discrete origin. We find that nonrenormalizable terms with mass dimension $k$ are finite as long as $k>4+n$. Multiple Kaluza-Klein sums of nondecoupling logarithmic te...

  7. Water resources in the Klein Karoo: the challenge of sustainable development in a water-scarce area

    Directory of Open Access Journals (Sweden)

    Ashton Maherry

    2009-12-01

    Full Text Available The Klein Karoo is situated in the Western Cape, South Africa, and is characterised by low rainfall (100–450 mm yr–1. The Klein Karoo is situated in the primary catchment of the Gouritz River. The mean annual runoff (MAR for the three major tributaries of the Gouritz River arising in or feeding the Klein Karoo (Touws, Gamka, Olifants is 540 Mm3 yr–1. Groundwater recharge in the three Klein Karoo catchments is ±257 Mm3 yr–1, but only a portion of this reaches the rivers. The very variable flows result in low 1:50 year yield of 161 Mm3 (30% of MAR. The current demand for water in these catchments is 182 Mm3 yr–1, which exceeds the yield, and demand is projected to increase between 23% and 150% by 2025. Changes in the approach to water management are required, including improving the efficiency of irrigation and land restoration to improve water infiltration and reduce soil erosion. We believe that it is time to change to a water management approach that is designed to anticipate and manage the inherent variability in water resources in the Klein Karoo, thereby placing the region on a path to sustainable development.

  8. An upper bound on the size of m-ary t-sEC/AUED codes

    Institute of Scientific and Technical Information of China (English)

    ZHANG Peng-cheng; FU Fang-wei; CHANG Zu-ling

    2006-01-01

    Finding good upper bound for the size of m-ary t-symmetric error correcting codes (t-sEC/AUED codes) codes is the main problem in the coding theory of m-ary t-sEC/AUED codes. Based on the method of Lagrange multipliers, We shall derive an upper bound on the size of m-ary t-sEC/AUED in this paper. Some examples achieved this upper bound are also given in this paper.

  9. Feeling unreal: a functional imaging study in patients with Kleine-Levin syndrome.

    Science.gov (United States)

    Kas, Aurelie; Lavault, Sophie; Habert, Marie-Odile; Arnulf, Isabelle

    2014-07-01

    Kleine-Levin syndrome is characterized by relapsing-remitting episodes of severe hypersomnia, cognitive impairment, apathy, derealization and behavioural disturbances. Between episodes, patients have normal sleep, mood and behaviour. Functional imaging studies performed in small series of patients with Kleine-Levin syndrome with visual or semi-quantitative, uncontrolled analysis yielded equivocal brain changes. Using whole brain voxel-based group analysis, we compared brain perfusion scintigraphy during and between episodes in consecutive patients with Kleine-Levin syndrome versus healthy control subjects and correlated perfusion changes with disease severity and symptoms, focusing on less studied but disabling symptoms, such as apathy and derealization. During asymptomatic periods, 41 patients (mean age of 22.3 ± 8.1 years, 56.1% male) and 15 age- and sex-matched healthy control subjects underwent single-photon emission computed tomography scanning with technetium-99m ethyl cysteinate dimer. Eleven patients repeated the test during a symptomatic period. Compared with controls, patients during asymptomatic periods had persistent hypoperfusion in the hypothalamus, the thalamus (mainly the right posterior part), the caudate nucleus, and cortical associative areas, including the anterior cingulate, (Brodmann area 25), the orbito-frontal (Brodmann area 11) and the right superior temporal cortices (Brodmann area 22), extending to the insula (P visual information, the robust hypoperfusions and correlations observed in this area may underlie the striking derealization reported by patients during episodes. Defects in the dorsomedial prefrontal cortex may cause apathy. Persistent hypoperfusion in the diencephalic and associative cortical area during asymptomatic periods is a marker of the disease, suggestive of a scenario wherein patients compensate for these deficient circuitries. © The Author (2014). Published by Oxford University Press on behalf of the Guarantors of

  10. Interval methods: An introduction

    DEFF Research Database (Denmark)

    Achenie, L.E.K.; Kreinovich, V.; Madsen, Kaj

    2006-01-01

    This chapter contains selected papers presented at the Minisymposium on Interval Methods of the PARA'04 Workshop '' State-of-the-Art in Scientific Computing ''. The emphasis of the workshop was on high-performance computing (HPC). The ongoing development of ever more advanced computers provides....... An important characteristic of the computer performance in scientific computing is the accuracy of the Computation results. Often, we can estimate this accuracy by using traditional statistical techniques. However, in many practical situations, we do not know the probability distributions of different...... '' techniques, and the applications of these techniques to various problems of scientific computing....

  11. THE LONG-TIME BEHAVIOR OF SPECTRAL APPROXIMATE FOR KLEIN-GORDON-SCHROEDINGER EQUATIONS

    Institute of Scientific and Technical Information of China (English)

    Xin-minXiang

    2004-01-01

    Klein-Gordon-Schroedinger (KGS) equations are very important in physics. Some papers studied their well-posedness and numerical solution [1-4], and another works investigated the existence of global attractor in Rn and Ω包含于Rn (n≤3) [5-6,11-12]. In this paper, we discuss the dynamical behavior when we apply spectral method to find numerical approximation for periodic initial value problem of KGS equations. It includes the existence of approximate attractor AN, the upper semi-continuity on A which is a global attractor of initial problem and the upper bounds of Hausdorff and fractal dimensions for A and AN,etc.

  12. Partial Internal Control Recovery on 1-D Klein-Gordon Systems

    Directory of Open Access Journals (Sweden)

    Iwan Pranoto

    2010-03-01

    Full Text Available In this exposition, a technique to recover internal control on a distributed parameter system is reported. The system is described by 1-D Klein-Gordon partial differential equation with a time-varying parameter. We would like to recover the internal control applied to the system if we know some limited information about the output. We use a method called sentinel method to recover the internal control. It involves some construction of a linear functional, and we show that this construction relates closely to the exact controllability problem.

  13. Relativistic superfluidity and vorticity from the nonlinear Klein-Gordon equation

    CERN Document Server

    Xiong, Chi; Guo, Yulong; Liu, Xiaopei; Huang, Kerson

    2014-01-01

    We investigate superfluidity, and the mechanism for creation of quantized vortices, in the relativistic regime. The general framework is a nonlinear Klein-Gordon equation in curved spacetime for a complex scalar field, whose phase dynamics gives rise to superfluidity. The mechanisms discussed are local inertial forces (Coriolis and centrifugal), and current-current interaction with an external source. The primary application is to cosmology, but we also discuss the reduction to the non-relativistic nonlinear Schr\\"{o}dinger equation, which is widely used in describing superfluidity and vorticity in liquid helium and cold-trapped atomic gases.

  14. Kleine-Levine syndrome in an adolescent female and response to modafinil

    Directory of Open Access Journals (Sweden)

    Aggarwal Ashish

    2011-01-01

    Full Text Available Kleine-Levine Syndrome (KLS is a disorder characterized by a triad of periodic hypersomnia, hyperphagia, and hypersexuality. KLS, although more common in young males, it has also been seen in females. Treatment options available for its management include mood stabilisers like lithium, stimulants like amphetamines, antidepressants and other options including electroconvulsive therapy. Modafinil is one of the new stimulant medications approved for narcolepsy. Herein, we report a young female with KLS and showing favorable response to modafinil. More data is required to establish the effectiveness of modafinil in this syndrome.

  15. Improved upper bounds on Kaluza-Klein gravity with current Solar System experiments and observations

    CERN Document Server

    Deng, Xue-Mei

    2015-01-01

    As an extension of previous works on classical tests of Kaluza-Klein (KK) gravity and as an attempt to find more stringent constraints on this theory, its effects on physical experiments and astronomical observations conducted in the Solar System are studied. We investigate the gravitational time delay at inferior conjunction caused by KK gravity, and use new Solar System ephemerides and the observation of \\textit{Cassini} to strengthen constraints on KK gravity by up to two orders of magnitude. These improved upper bounds mean that the fifth-dimensional space in the soliton case is a very flat extra dimension in the Solar System, even in the vicinity of the Sun.

  16. Numerical Solutions of the Coupled Klein-Gordon-Schrand#246;dinger Equations by Differential Quadrature Methods

    Directory of Open Access Journals (Sweden)

    Thoudam Roshan

    2016-10-01

    Full Text Available Numerical solutions of the coupled Klein-Gordon-Schrödinger equations is obtained by using differential quadrature methods based on polynomials and quintic B-spline functions for space discretization and Runge-Kutta fourth order for time discretization. Stability of the schemes are studied using matrix stability analysis. The accuracy and efficiency of the methods are shown by conducting some numerical experiments on test problems. The motion of single soliton and interaction of two solitons are simulated by the proposed methods.

  17. Classical Field-Theoretical approach to the non-linear q-Klein-Gordon Equation

    CERN Document Server

    Plastino, A

    2016-01-01

    In the wake of efforts made in [EPL {\\bf 97}, 41001 (2012)], we extend them here by developing a classical field theory (FT)to the q-Klein-Gordon equation advanced in [Phys. Rev. Lett. {\\bf 106}, 140601 (2011)]. This makes it possible to generate a hipotetical conjecture regarding black matter. We also develop the classical field theory for a q-Schrodinger equation, different from the one in [EPL {\\bf 97}, 41001 (2012)], that was deduced in [Phys. Lett. A {\\bf 379}, 2690 (2015)] from the hypergeometric differential equation. Our two classical theories reduce to the usual quantum FT for $q\\rightarrow 1$.

  18. Statistical Entropy of the Kaluza-Klein Black Hole from the Horizon Conformal Field Theory

    Institute of Scientific and Technical Information of China (English)

    JING Ji-Liang; YAN Mu-Lin

    2001-01-01

    The statistical entropy of the Kaluza-Klein black hole is studied by counting the black hole states which form an algebra of diffeomorphism at Killing horizon with a central charge. It is shown that the entropy yielded by the standard Cardy formula agrees with the Bekenstein-Hawking entropy only if we take period T of function u as the periodicity of the Euclidean black hole. On the other hand, the first-order quantum correction to the entropy is proportional to the logarithm of the Bekenstein-Hawking entropy with a factor -1/2.

  19. Improved upper bounds on Kaluza-Klein gravity with current Solar System experiments and observations

    Energy Technology Data Exchange (ETDEWEB)

    Deng, Xue-Mei [Chinese Academy of Sciences, Purple Mountain Observatory, Nanjing (China); Xie, Yi [Nanjing University, School of Astronomy and Space Science, Nanjing (China); Shanghai Key Laboratory of Space Navigation and Position Techniques, Shanghai (China); Nanjing University, Ministry of Education, Key Laboratory of Modern Astronomy and Astrophysics, Nanjing (China)

    2015-11-15

    As an extension of previous works on classical tests of Kaluza-Klein (KK) gravity and as an attempt to find more stringent constraints on this theory, its effects on physical experiments and astronomical observations conducted in the Solar System are studied. We investigate the gravitational time delay at inferior conjunction caused by KK gravity, and use new Solar System ephemerides and the observation of Cassini to strengthen constraints on KK gravity by up to two orders of magnitude. These improved upper bounds mean that the fifth-dimensional space in the soliton case is a very flat extra dimension in the Solar System, even in the vicinity of the Sun. (orig.)

  20. Shadow cast by a Kaluza-Klein spinning dilaton black hole

    CERN Document Server

    Amarilla, Leonardo

    2015-01-01

    We examine the shadow of a rotating Kaluza-Klein black hole in Einstein gravity coupled to a Maxwell field and a dilaton. The size and the shape of the shadow depend on the mass, the charge, and the angular momentum of the compact object. For a given mass, the size increases with the rotation parameter and decreases with the electric charge. The distortion with respect to the non rotating case grows with the charge and the rotation parameter. For fixed values of these parameters, the shadow is slightly larger and less deformed than in the Kerr-Newman case.