Phase coherence length of a Bose-Einstein condensate
classification
❄️ cond-mat
keywords
bose-einsteincondensatedistributionphasebroadeningclearcoherenceelongated
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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.
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