Superfluid transition temperature and fluctuation theory of spin-orbit and Rabi coupled fermions with tunable interactions
Philip D. Powell,
Gordon Baym,
Carlos Sa de Melo
Abstract:We obtain the superfluid transition temperature of equal Rashba-Dresselhaus spin-orbit and Rabi coupled Fermi superfluids, from the Bardeen-Cooper-Schrieffer (BCS) to Bose-Einstein condensate (BEC) regimes in three dimensions for tunable s-wave interactions. In the presence of Rabi coupling, we find that spin-orbit coupling enhances (reduces) the critical temperature in the BEC (BCS) limit. For fixed interactions, we show that spin-orbit coupling can convert a first order (discontinous) phase transition into a… Show more
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