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Pair correlations of an expanding superfluid Fermi gas
C. Lobo, I. Carusotto, S. Giorgini +2
The pair correlation function of an expanding gas is investigated with an emphasis on the BEC-BCS crossover of a superfluid Fermi gas at zero temperature. At unitarity quantum Mont…
Spin-orbit coupling and Berry phase with ultracold atoms in 2D optical lattices
Artem M. Dudarev, Roberto B. Diener, Iacopo Carusotto +1
We show how spin-orbit coupling and Berry phase can appear in two-dimensional optical lattices by coupling atoms' internal degrees of freedom to radiation. The Rashba Hamiltonian,…
An exact reformulation of the Bose-Hubbard model in terms of a stochastic Gutzwiller ansatz
Iacopo Carusotto, Yvan Castin
We extend our exact reformulation of the bosonic many-body problem in terms of a stochastic Hartree ansatz to a stochastic Gutzwiller ansatz for the Bose Hubbard model. This makes…