Nature of superfluidity in ultracold Fermi gases near Feshbach resonances
- 17 June 2004
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 69 (6) , 063610
- https://doi.org/10.1103/physreva.69.063610
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 and non-BCS characteristics below. We discuss how these effects influence the experimental signatures of superfluidity.
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