Transition temperature of a weakly interacting Bose gas

Yee Mou Kao*, Tsin-Fu Jiang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


We report a theoretical study of the transition temperature of a trapped interacting dilute Bose gas. The system is treated like a two-fluid model consisting of a thermal component and a condensate component. Through the calculation of the energy spectra, the origins of various effects on the transition temperature are derived. We found that the interactive shift is affected by both the thermal component and the condensate component. The latter effect, which is about 34% of the former, has never been reported so far. With these two effects, our calculated interactive shift agrees very well with the recent measurement.

Original languageEnglish
Article number043604
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number4
StatePublished - 14 Apr 2006

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