Phys. Rev. A 56, 3291–3293 (1997)Coherence properties of Bose-Einstein condensates and atom lasersReceived 21 May 1997; published in the issue dated October 1997 We discuss various aspects of coherence of a Bose-Einstein condensate, and summarize the experimental evidence obtained thus far. It is shown that the mean-field energy of a condensate is a measure of second-order coherence. “Release-energy” measurements therefore provide direct evidence of the suppression of density fluctuations in a condensate compared to a thermal cloud. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.56.3291
DOI:
10.1103/PhysRevA.56.3291
PACS:
03.75.Fi, 05.30.Jp, 05.70.Fh
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