Optical response of superfluid state in dilute atomic Fermi-Dirac gases
arXiv:cond-mat/9902324 · doi:10.1103/PhysRevA.60.R1775
Abstract
We theoretically study the propagation of light in a Fermi-Dirac gas in the presence of a superfluid state. BCS pairing between atoms in different hyperfine levels may significantly increase the optical linewidth and line shift of a quantum degenerate Fermi-Dirac gas and introduce a local-field correction that, under certain conditions, dramatically dominates over the Lorentz-Lorenz shift. These optical properties could possibly unambiguously sign the presence of the superfluid state and determine the value of the BCS order parameter.
5 pages, 2 figures
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Cited by in corpus (26)
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