Matter-wave localization in a random potential

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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.accessioned2025-08-21T23:42:51Z-
Data de disponibilização: dc.date.available2025-08-21T23:42:51Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2010-07-26-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.82.013631-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/225989-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/225989-
Descrição: dc.descriptionBy numerical and variational solutions of the Gross-Pitaevskii equation, we studied the localization of a noninteracting and weakly interacting Bose-Einstein condensate (BEC) in a disordered cold atom lattice and a speckle potential. In the case of a single BEC fragment, the variational analysis produced good results. For a weakly disordered potential, the localized BEC's are found to have an exponential tail as in the weak Anderson localization. We also investigated the expansion of a noninteracting BEC in these potentials. We find that the BEC will be locked in an appropriate localized state after an initial expansion and will execute breathing oscillation around a mean shape when a BEC at equilibrium in a harmonic trap is suddenly released into a disorder potential. © 2010 The 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.titleMatter-wave localization in a random potential-
Tipo de arquivo: dc.typelivro digital-
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