Collapses and revivals of Bose-Einstein condensates formed in small atomic samples

Ewan M Wright, D. F. Walls, J. C. Garrison

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Abstract

The macroscopic wave function for atomic samples composed of a few thousand particles is shown to exhibit collapses and revivals on a few seconds time scale, while Bose-Einstein condensation remains in the form of off-diagonal long-range order in the one-particle reduced density matrix. A recently proposed measurement scheme which is sensitive to Bose-broken gauge symmetry, and hence to the macroscopic wave function, could be used to detect the collapses and revivals experimentally.

Original languageEnglish (US)
Pages (from-to)2158-2161
Number of pages4
JournalPhysical Review Letters
Volume77
Issue number11
Publication statusPublished - 1996

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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