Critical temperature of a trapped, weakly interacting Bose gas.
- Published Article
Physical review letters
- Publication Date
Jan 23, 2004
We report on measurements of the critical temperature of a harmonically trapped, weakly interacting Bose gas as a function of atom number. Our results exclude ideal-gas behavior by more than two standard deviations, and agree quantitatively with mean-field theory. At our level of sensitivity, we find no additional shift due to critical fluctuations. In the course of this measurement, the onset of hydrodynamic expansion in the thermal component has been observed. Our thermometry method takes this feature into account.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/14753855