2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/20092We 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.to be published in the proceedings of "Cool Interactions 2002", Heidelberg, 9-13 september 2002 (Wiley)Condensed Mattertext