Phys. Rev. A 73, 051603(R) (2006) [4 pages]

Mean-field phase diagrams of imbalanced Fermi gases near a Feshbach resonance

Abstract

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Hui Hu^1,2 and Xia-Ji Liu²
¹Department of Physics, Renmin University of China, Beijing 100872, China
²ARC Centre of Excellence for Quantum-Atom Optics, Department of Physics, University of Queensland, Brisbane, Queensland 4072, Australia

Received 13 March 2006; published 22 May 2006

We propose phase diagrams for an imbalanced (unequal number of atoms or Fermi surface in two pairing hyperfine states) gas of atomic fermions near a broad Feshbach resonance using mean-field theory. Particularly, in the plane of interaction and polarization we determine the region for a mixed phase composed of normal and superfluid components. We compare our prediction of phase boundaries with the recent measurement and find a good qualitative agreement.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.73.051603

DOI:

10.1103/PhysRevA.73.051603

PACS:

03.75.Hh, 03.75.Ss, 05.30.Fk

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Phys. Rev. A 73, 051603(R) (2006) [4 pages]

Mean-field phase diagrams of imbalanced Fermi gases near a Feshbach resonance