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Mean-field equations for cigar- and disc-shaped Bose and Fermi superfluids

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dc.contributor.authorBuitrago, Camilo A. G. [UNESP]
dc.contributor.authorAdhikari, Sadhan Kumar [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:08:57Z
dc.date.available2014-05-20T14:08:57Z
dc.date.issued2009-11-14
dc.description.abstractStarting from the three-dimensional (3D) time-dependent nonlinear Gross-Pitaevskii equation for a Bose-Einstein condensate (BEC) and the density-functional (DF) equation for a Fermi superfluid at the unitarity and Bardeen-Cooper-Schrieffer (BCS) limits, we derive effective one-(1D) and two-dimensional (2D) mean-field equations, respectively, for the dynamics of a trapped cigar-and disc-shaped BEC and Fermi superfluid by using the adiabatic approximation. The reduced 1D and 2D equations for a cigar-and disc-shaped Fermi superfluid have simple analytic non-linear terms and at unitarity produce results for stationary properties and non-stationary breathing oscillation and free expansion in excellent agreement with the solution of the full 3D equation.en
dc.description.affiliationUNESP São Paulo State Univ, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.affiliationUnespUNESP São Paulo State Univ, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent7
dc.identifierhttp://dx.doi.org/10.1088/0953-4075/42/21/215306
dc.identifier.citationJournal of Physics B-atomic Molecular and Optical Physics. Bristol: Iop Publishing Ltd, v. 42, n. 21, p. 7, 2009.
dc.identifier.doi10.1088/0953-4075/42/21/215306
dc.identifier.issn0953-4075
dc.identifier.lattes8031087349809439
dc.identifier.urihttp://hdl.handle.net/11449/24086
dc.identifier.wosWOS:000271149900013
dc.language.isoeng
dc.publisherIop Publishing Ltd
dc.relation.ispartofJournal of Physics B: Atomic, Molecular and Optical Physics
dc.relation.ispartofjcr2.119
dc.relation.ispartofsjr0,850
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleMean-field equations for cigar- and disc-shaped Bose and Fermi superfluidsen
dc.typeArtigo
dcterms.licensehttp://iopscience.iop.org/info/page/openaccess
dcterms.rightsHolderIop Publishing Ltd
dspace.entity.typePublication
unesp.author.lattes8031087349809439
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Física Teórica (IFT), São Paulopt

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São Paulo - IFT - Instituto de Física Teórica