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Matter-wave localization in a weakly perturbed optical lattice

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dc.contributor.authorCheng, Yongshan
dc.contributor.authorAdhikari, Sadhan Kumar [UNESP]
dc.contributor.institutionHubei Normal Univ
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2013-09-30T19:00:59Z
dc.date.accessioned2014-05-20T14:13:08Z
dc.date.available2013-09-30T19:00:59Z
dc.date.available2014-05-20T14:13:08Z
dc.date.issued2011-11-29
dc.description.abstractBy numerical solution and variational approximation of the Gross-Pitaevskii equation, we studied the localization of a noninteracting and weakly interacting Bose-Einstein condensate in a weakly perturbed optical lattice in one and three dimensions. The perturbation achieved through a weak delocalizing expulsive or a linear potential as well as a weak localizing harmonic potential removes the periodicity of the optical lattice and leads to localization. We also studied some dynamics of the localized state confirming its stability.en
dc.description.affiliationHubei Normal Univ, Dept Phys, Huangshi 435002, Peoples R China
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipEducation Department of Hubei, China
dc.description.sponsorshipIdEducation Department of Hubei, China: D200722003
dc.description.sponsorshipIdEducation Department of Hubei, China: Z200722001
dc.format.extent7
dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.84.053634
dc.identifier.citationPhysical Review A. College Pk: Amer Physical Soc, v. 84, n. 5, p. 7, 2011.
dc.identifier.doi10.1103/PhysRevA.84.053634
dc.identifier.fileWOS000297472700010.pdf
dc.identifier.issn1050-2947
dc.identifier.lattes8031087349809439
dc.identifier.urihttp://hdl.handle.net/11449/24603
dc.identifier.wosWOS:000297472700010
dc.language.isoeng
dc.publisherAmer Physical Soc
dc.relation.ispartofPhysical Review A
dc.relation.ispartofsjr1,288
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.titleMatter-wave localization in a weakly perturbed optical latticeen
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dcterms.rightsHolderAmer Physical Soc
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