BCS-BEC crossover at finite temperature for superfluid trapped Fermi atoms.
- Published Article
Physical review letters
- Publication Date
Jun 04, 2004
We consider the BCS-BEC (Bose-Einstein-condensate) crossover for a system of trapped Fermi atoms at finite temperature, both below and above the superfluid critical temperature, by including fluctuations beyond mean field. We determine the superfluid critical temperature and the pair-breaking temperature as functions of the attractive interaction between Fermi atoms, from the weak- to the strong-coupling limit (where bosonic molecules form as bound-fermion pairs). Density profiles in the trap are also obtained for all temperatures and couplings.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/15245204