Superfluidity of spin-polarized 6Li
arXiv:cond-mat/9508079 · doi:10.1103/PhysRevLett.76.10
Abstract
We study the prospects for observing superfluidity in a spin-polarized atomic gas of Li atoms, using state-of-the-art interatomic potentials. We determine the spinodal line and show that a BCS transition to the superfluid state can indeed occur in the (meta)stable region of the phase diagram if the densities are sufficiently low. Moreover, for a total density of , which still fulfills this requirement, we find a critical temperature of only . We also discuss the stability of the gas due to exchange and dipolar relaxation and conclude that the prospects for observing superfluidity in a magnetically trapped atomic Li gas are particularly promising for magnetic bias fields larger than .
4 pages of ReVTeX and 2 uuencoded figures. Submitted for publication in Physical Review Letters
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