Excitations and phase segregation in a two component Bose-Einstein condensate

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Bogoliubov-de Gennes (BdG) equations and the excitation spectrum of a two-component Bose-Einstein condensate (BEC) are derived with an arbitrary interaction between bosons, including long-range and short range forces. The nonconverting BEC mixture segregates into two phases for some two-body interactions. Gross-Pitaevskii (GP) equations are solved for the phase segregated BEC. A possibility of boundary-surface and other localised excitations is studied.
9 pages, 2 figures

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Soft Condensed Matter, Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/18448

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0110596
 http://arxiv.org/abs/cond-mat/0110596

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arXiv