The Nature of Superfluidity in Ultracold Fermi Gases Near Feshbach Resonances
classification
❄️ cond-mat.soft
cond-mat.quant-gascond-mat.str-elcond-mat.supr-con
keywords
effectsfermigasespairssuperfluidityaboveapproachatomic
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We study the superfluid state of atomic Fermi gases using a BCS-BEC crossover theory. Our approach emphasizes non-condensed fermion pairs which strongly hybridize with their (Feshbach-induced) molecular boson counterparts. These pairs lead to pseudogap effects above $T_c$ and non-BCS characteristics below. We discuss how these effects influence the experimental signatures of superfluidity.
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