Coherence properties of Bose-Einstein condensates and atom lasers
- 1 October 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 56 (4) , 3291-3293
- https://doi.org/10.1103/physreva.56.3291
Abstract
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.Keywords
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