BCS-BEC crossover in a gas of Fermi atoms with a p-wave feshbach resonance

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Abstract

We investigate unconventional superfluidity in a gas of Fermi atoms with an anisotropic p-wave Feshbach resonance. Including the p-wave Feshbach resonance as well as the associated three kinds of quasimolecules with finite orbital angular momenta Lz = ± 1, 0, we calculate the transition temperature of the superfluid phase. As one passes through the p-wave Feshbach resonance, we find the usual BCS-BEC crossover phenomenon. The p-wave BCS state continuously changes into the BEC of bound molecules with L = 1. Our calculation includes the effect of fluctuations associated with Cooper pairs and molecules which are not Bose condensed.

Original languageEnglish
Article number050403
JournalPhysical review letters
Volume94
Issue number5
DOIs
Publication statusPublished - 2005 Feb 11
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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