We study the superfluid state of atomic Fermi gases using a BCS-Bose-Einstein-condensation crossover theory. Our approach emphasizes noncondensed 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.
Nature of superfluidity in ultracold Fermi gases near Feshbach resonances
CHIOFALO, MARIA LUISA;
2004-01-01
Abstract
We study the superfluid state of atomic Fermi gases using a BCS-Bose-Einstein-condensation crossover theory. Our approach emphasizes noncondensed 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.File in questo prodotto:
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