Bose-Einstein condensation in the alkali gases: Some fundamental concepts

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Abstract

The author presents a tutorial review of some ideas that are basic to our current understanding of the phenomenon of Bose-Einstein condensation (BEC) in the dilute atomic alkali gases, with special emphasis on the case of two or more coexisting hyperfine species. Topics covered include the definition of and conditions for BEC in an interacting system, the replacement of the true interatomic potential by a zero-range pseudopotential, the time-independent and time-dependent Gross-Pitaevskii equations, superfluidity and rotational properties, the Josephson effect and related phenomena, and the Bogoliubov approximation.

Original languageEnglish (US)
Pages (from-to)307-356
Number of pages50
JournalReviews of Modern Physics
Volume73
Issue number2
DOIs
StatePublished - Apr 2001

ASJC Scopus subject areas

  • General Physics and Astronomy

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