Phase diagram of a polarized Fermi gas across a Feshbach resonance in a potential trap

Details Phase diagram of a polarized Fermi gas across a Feshbach resonance in a potential trap Phase diagram of a polarized Fermi gas across a Feshbach resonance in a potential trap

2006-04-25

arxiv.org/abs/cond-mat/0604558v2

Phys. Rev. A. 74, 013610 (2006)

Physics

Condensed Matter

Other Condensed Matter

9 pages, 4 figures

Scientific paper

10.1103/PhysRevA.74.013610

We map out the detailed phase diagram of a trapped ultracold Fermi gas with population imbalance across a wide Feshbach resonance. We show that under the local density approximation, the properties of the atoms in any (anisotropic) harmonic traps are universally characterized by three dimensionless parameters: the normalized temperature, the dimensionless interaction strength, and the population imbalance. We then discuss the possible quantum phases in the trap, and quantitatively characterize their phase boundaries in various typical parameter regions.

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