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- W2243949148 abstract "We consider spin-1/2 fermions of mass m with interactions near the unitary limit. In an applied periodic potential of amplitude V and period a{sub L}, and with a density of an even integer number of fermions per unit cell, there is a second-order quantum phase transition between superfluid and insulating ground states at a critical V=V{sub c}. We compute the universal ratio V{sub c}ma{sub L}{sup 2}/({Dirac_h}/2{pi}){sup 2} at N={infinity} in a model with Sp(2N) spin symmetry. The insulator interpolates between a band insulator of fermions and a Mott insulator of fermion pairs. We discuss implications for recent experiments." @default.
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- W2243949148 date "2008-03-12" @default.
- W2243949148 modified "2023-10-17" @default.
- W2243949148 title "Superfluid-insulator transitions of the Fermi gas with near-unitary interactions in a periodic potential" @default.
- W2243949148 hasPublicationYear "2008" @default.
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