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  • 2002  (4)
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  • PACS. 03.75.Fi Phase coherent atomic ensembles; quantum condensation phenomena – 05.30.Jp Boson systems – 32.80.Pj Optical cooling of atoms; trapping
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  • 2020-2024
  • 2000-2004  (6)
  • 1950-1954
  • 1935-1939
  • 1920-1924
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  • 2023
  • 2022
  • 2002  (4)
  • 2001  (2)
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Keywords
  • 1
    Unknown
    George Eliot and the British Empire (2002)
    Cambridge ; New York : Cambridge University Press
    Cambridge studies in nineteenth-century literature and culture  
    Details
    Keywords: Great Britain, Colonies, History, 19th century. ; Great Britain, In literature. ; Eliot, George,, 1819-1880, Views on imperialism. ; Colonies in literature. ; Imperialism in literature. ; Literature and society, Great Britain, History, 19th century.
    Pages: xi, 182 p.
    ISBN: 0-511-01436-8
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=72913
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    E-Book (German National Licenses)
  • 2
    Unknown
    Domesticity, imperialism, and emigration in the Victorian novel (2002)
    Columbia : University of Missouri Press
    Details
    Keywords: United States, In literature. ; Colonies dans la littérature. ; Colonies in literature. ; Domestic fiction, English, History and criticism. ; Emigration and immigration in literature. ; English fiction, 19th century, History and criticism. ; Émigration et immigration dans la littérature. ; États-Unis dans la littérature. ; Foyer dans la littérature. ; Home in literature. ; Imperialism in literature. ; Impérialisme dans la littérature. ; Roman anglais, 19e siècle, Histoire et critique. ; Roman familial anglais, Histoire et critique.
    Pages: xiv, 214 p.
    ISBN: 0-8262-6410-7
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=113873
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    E-Book (German National Licenses)
  • 3
    Unknown
    Reforming empire : Protestant colonialism and conscience in British literature (2002)
    Columbia : University of Missouri Press
    Details
    Keywords: Colonies in literature. ; Conscience in literature. ; English literature, Protestant authors, History and criticism. ; Imperialism in literature. ; Protestantism and literature. ; Protestants, Great Britain, Intellectual life.
    Notes: Introduction: Binding Ties -- Once-and-Future Kings The "Matter of Britain" and Protestant Imperial Recovery from John Dee to Cymbeline -- The Uses of Atrocity Satanic Spaniards, Hispanic Satans, and the "Black Legend " from Las Casas to Milton -- Stooping to Conquer Heathen Idolatry, Protestant Humility, and the "White Legend" of Drake -- The Nubile Savage and the Soulless Slave Imagining Race from Pocahontas to the Colonial Color Line -- Prophets against Empire Countertraditions, 1516-1815 -- "Hollow All Delight!" Countertraditions, 1815-1945
    Pages: xii, 290 p.
    ISBN: 0-8262-6294-5
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=113940
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  • 4
    Electronic Resource
    Electronic Resource
    Mean field loops versus quantum anti-crossing nets in trapped Bose-Einstein condensates (2002)
    Springer
    The European physical journal 21 (2002), S. 251-254 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 03.75.Fi Phase coherent atomic ensembles; quantum condensation phenomena – 05.30.Jp Boson systems – 32.80.Pj Optical cooling of atoms; trapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We study a Bose-Einstein condensate trapped in an asymmetric double well potential. Solutions of the time-independent Gross-Pitaevskii equation reveal intrinsic loops in the energy (or chemical potential) level behavior when the shape of the potential is varied. We investigate the corresponding behavior of the quantum (many-body) energy levels. Applying the two-mode approximation to the bosonic field operators, we show that the quantum energy levels create an anti-crossing net inside the region bounded by the loop of the mean field solution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjd/e2002-00229-5
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  • 5
    Electronic Resource
    Electronic Resource
    Coherent control of the self-trapping transition (2001)
    Springer
    The European physical journal 20 (2001), S. 451-467 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 03.75.Fi Phase coherent atomic ensembles; quantum condensation phenomena – 05.30.Jp Boson systems – 32.80.Pj Optical cooling of atoms; trapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We discuss the dynamics of two weakly coupled Bose-Einstein condensates in a double-well potential, contrasting the mean-field picture to the exact N-particle evolution. On the mean-field level, a self-trapping transition occurs when the scaled interaction strength exceeds a critical value; this transition essentially persists in small condensates comprising about 1000 atoms. When the double-well is modulated periodically in time, Floquet-type solutions to the nonlinear Schrödinger equation take over the role of the stationary mean-field states. These nonlinear Floquet states can be classified as “unbalanced” or “balanced”, depending on whether or not they entail long-time confinement of most particles to one well. Since the emergence of unbalanced Floquet states depends on the amplitude and frequency of the modulating force, we predict that the onset of self-trapping can efficiently be controlled by varying these parameters. This prediction is verified numerically by both mean-field and N-particle calculations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00011106
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  • 6
    Electronic Resource
    Electronic Resource
    Instanton approach to Josephson tunneling between trapped condensates (2001)
    Springer
    The European physical journal 17 (2001), S. 351-363 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 03.75.Fi Phase coherent atomic ensembles; quantum condensation phenomena – 05.30.Jp Boson systems – 32.80.Pj Optical cooling of atoms; trapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: An instanton method is proposed to investigate the quantum tunneling between two weakly-linked Bose-Einstein condensates confined in double-well potential traps. We point out some intrinsic pathologies in the earlier treatments of other authors and make an effort to go beyond these very simple zero order models. The tunneling amplitude may be calculated in the Thomas-Fermi approximation and beyond it; we find it depends on the number of the trapped atoms, through the chemical potential. Some suggestions are given for the observation of the Josephson oscillation and the MQST.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100530170010
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    Paper (German National Licenses)
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