Localization of a bose-einstein-condensate vortex in a bichromatic optical lattice

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorAdhikari, S. K.-
Data de aceite: dc.date.accessioned2025-08-21T17:29:44Z-
Data de disponibilização: dc.date.available2025-08-21T17:29:44Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2010-04-29-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.81.043636-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/225840-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/225840-
Descrição: dc.descriptionBy numerical simulation of the time-dependent Gross-Pitaevskii equation we show that a weakly interacting or noninteracting Bose-Einstein condensate (BEC) vortex can be localized in a three-dimensional bichromatic quasiperiodic optical-lattice (OL) potential generated by the superposition of two standing-wave polarized laser beams with incommensurate wavelengths. We also study the localization of a (nonrotating) BEC in two and three dimensions by bichromatic OL potentials along orthogonal directions. This is a generalization of the localization of a BEC in a one-dimensional bichromatic OL as studied in a recent experiment. We demonstrate the stability of the localized state by considering its time evolution in the form of a stable breathing oscillation in a slightly altered potential for a large period of time. Finally, we consider the localization of a BEC in a random one-dimensional potential in the form of several identical repulsive spikes arbitrarily distributed in space. © 2010 The American Physical Society.-
Descrição: dc.descriptionInstituto de Física Teórica UNESP Universidade Estadual Paulista, Barra Funda, 01.140-070 São Paulo, São Paulo-
Descrição: dc.descriptionInstituto de Física Teórica UNESP Universidade Estadual Paulista, Barra Funda, 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 a bose-einstein-condensate vortex in a bichromatic optical lattice-
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