A study of trapped Bose gas beyond mean-field theory

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dc.creatorBanerjee, Arup
dc.creatorSingh, Manoranjan P.
dc.date2000-09-02
dc.date.accessioned2026-07-07T02:38:38Z
dc.date.available2026-07-07T02:38:38Z
dc.descriptionWe study the ground-state properties of dilute Bose gas confined to both isotropic and anisotropic traps to assess the accuracy of Gross-Pitaevskii (GP) theory. To go beyond GP approximation we use Huang-Yang theory of interatomic interaction energy for hard-sphere Bose gas and use a variational method to solve the resulting modified GP equation. We also make an analytic estimate of the corrections due to higher-order terms in the interatomic interaction energy. We find that the corrections are of the order of 1 percent. However, there is a qualitative change in the density profile due to presence of logarithimic term in the interaction energy for large N (number of atoms)
dc.description14 pages including 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/0009023
dc.identifierhttp://arxiv.org/abs/cond-mat/0009023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16739
dc.subjectCondensed Matter
dc.titleA study of trapped Bose gas beyond mean-field theory
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