2002/10/09 by F. Gerbier, S. Richard, J. H. Thywissen +3
Physics and Astronomy · #cond-mat
published as Interactions in ultracold gases, M. Weidemuller and C. Zimmermann Eds. (Wiley-VCH, 2003). · to be published in the proceedings of "Cool Interactions 2002", Heidelberg, 9-13 september 2002 (Wiley)
arxiv created 2002/10/09 · arxiv updated 2009/11/30
We report on the measurement of the momentum distribution of an elongated Bose-Einstein condensate. A broadening of the distribution with increasing temperature is observed, which is clear evidence for phase fluctuations in the sample.