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Two-component Fermi gas in a Harmonic Trap

Authors
  • Yi, X. X.
  • Wang, H. J.
  • Cui, H. T.
  • Zhang, C. M.
Type
Published Article
Publication Date
May 22, 2003
Submission Date
May 22, 2003
Identifiers
DOI: 10.1238/Physica.Regular.066a00284
arXiv ID: quant-ph/0305133
Source
arXiv
License
Unknown
External links

Abstract

We consider a mixture of two-component Fermi gases at low temperature. The density profile of this degenerate Fermi gas is calculated under the semiclassical approximation. The results show that the fermion-fermion interactions make a large correction to the density profile at low temperature. The phase separation of such a mixture is also discussed for both attractive and repulsive interatomic interactions, and the numerical calculations demonstrate the exist of a stable temperature region $T_{c1}<T<T_{c2}$ for the mixture. In addition, we give the critical temperature of the BCS-type transition in this system beyond the semiclassical approximation.

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