Mean-field description of collapsing and exploding Bose-Einstein condensates

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorAdhikari, Sadhan K.-
Data de aceite: dc.date.accessioned2025-08-21T18:33:45Z-
Data de disponibilização: dc.date.available2025-08-21T18:33:45Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2002-01-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.66.013611-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/228448-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/228448-
Descrição: dc.descriptionWe perform numerical simulations based on the time-dependent mean-field Gross-Pitaevskii equation to understand some aspects of a recent experiment by Donley et al. [Nature (London) 412, 295 (2001)] on the dynamics of collapsing and exploding Bose-Einstein condensates of [Formula Presented] atoms. These authors manipulated the atomic interaction by an external magnetic field via a Feshbach resonance, thus changing the repulsive condensate into an attractive one, and vice versa. In the actual experiment they suddenly changed the scattering length of atomic interaction from a positive to a large negative value on a preformed condensate in an axially symmetric trap. Consequently, the condensate collapsed and ejected atoms via explosion. We find that the present mean-field analysis can explain some aspects of the dynamics of the collapsing and exploding Bose-Einstein condensates. 5555 2002 The American Physical Society.-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista, São Paulo, São Paulo, 405-900-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista, São Paulo, São Paulo, 405-900-
Formato: dc.format8-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review A - Atomic, Molecular, and Optical Physics-
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Título: dc.titleMean-field description of collapsing and exploding Bose-Einstein condensates-
Tipo de arquivo: dc.typelivro digital-
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