Resonance superfluidity in a quantum degenerate Fermi gas

Details Resonance superfluidity in a quantum degenerate Fermi gas Resonance superfluidity in a quantum degenerate Fermi gas

2001-03-23

arxiv.org/abs/cond-mat/0103479v3

Phys. Rev. Lett. 87, 120406 (2001)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.87.120406

We consider the superfluid phase transition that arises when a Feshbach resonance pairing occurs in a dilute Fermi gas. We apply our theory to consider a specific resonance in potassium-40, and find that for achievable experimental conditions, the transition to a superfluid phase is possible at the high critical temperature of about 0.5 T_F. Observation of superfluidity in this regime would provide the opportunity to experimentally study the crossover from the superfluid phase of weakly-coupled fermions to the Bose-Einstein condensation of strongly-bound composite bosons.

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