Localization of collisionally inhomogeneous condensates in a bichromatic optical lattice

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorHubei Normal University-
Autor(es): dc.creatorCheng, Yongshan-
Autor(es): dc.creatorAdhikari, S. K.-
Data de aceite: dc.date.accessioned2025-08-21T19:25:32Z-
Data de disponibilização: dc.date.available2025-08-21T19:25:32Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2011-02-28-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.83.023620-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/226241-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/226241-
Descrição: dc.descriptionBy direct numerical simulation and variational solution of the Gross-Pitaevskii equation, we studied the stationary and dynamic characteristics of a cigar-shaped, localized, collisionally inhomogeneous Bose-Einstein condensate trapped in a one-dimensional bichromatic quasiperiodic optical-lattice potential, as used in a recent experiment on the localization of a Bose-Einstein condensate. The effective potential characterizing the spatially modulated nonlinearity is obtained. It is found that the collisional inhomogeneity has influence not only on the central region but also on the tail of the Bose-Einstein condensate. The influence depends on the sign and value of the spatially modulated nonlinearity coefficient. We also demonstrate the stability of the stationary localized state by performing a standard linear stability analysis. Where possible, the numerical results are shown to be in good agreement with the variational results. © 2011 American Physical Society.-
Descrição: dc.descriptionInstituto de Física Teórica UNESP - Universidade Estadual Paulista, 01.140-070 São Paulo, São Paulo-
Descrição: dc.descriptionDepartment of Physics Hubei Normal University, Huangshi 435002-
Descrição: dc.descriptionInstituto de Física Teórica UNESP - Universidade Estadual Paulista, 01.140-070 São Paulo, São Paulo-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review A - Atomic, Molecular, and Optical Physics-
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Título: dc.titleLocalization of collisionally inhomogeneous condensates in a bichromatic optical lattice-
Tipo de arquivo: dc.typelivro digital-
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