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cond-mat.other2005
Observations of density fluctuations in an elongated Bose gas: ideal gas and quasi-condensate regimes
Jerome Esteve, Jean-Baptiste Trebbia, Thorsten Schumm +3
We report in situ measurements of density fluctuations in a quasi one dimensional Bose gas at thermal equilibrium in an elongated harmonic trap. We observe an excess of fluctuation…
cond-mat.other2005
Hanbury Brown Twiss effect for ultracold quantum gases
M. Schellekens, R. Hoppeler, A. Perrin +4
We have studied 2-body correlations of atoms in an expanding cloud above and below the Bose-Einstein condensation threshold. The observed correlation function for a thermal cloud s…