Hanbury Brown Twiss effect for ultracold quantum gases |
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| Authors: | Schellekens M Hoppeler R Perrin A Gomes J Viana Boiron D Aspect A Westbrook C I |
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| Affiliation: | Laboratoire Charles Fabry de l'Institut d'Optique, UMR 8501 du CNRS, Centre Scientifique d'Orsay, Batiment 503, 91403 Orsay CEDEX, France. |
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| Abstract: | We have studied two-body correlations of atoms in an expanding cloud above and below the Bose-Einstein condensation threshold. The observed correlation function for a thermal cloud shows a bunching behavior, whereas the correlation is flat for a coherent sample. These quantum correlations are the atomic analog of the Hanbury Brown Twiss effect. We observed the effect in three dimensions and studied its dependence on cloud size. |
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