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Fractional Quantum Hall States of Atoms in Optical Lattices
(American Physical Society (APS), 2005)
We describe a method to create fractional quantum Hall states of atoms confined in optical lattices. We show that the dynamics of the atoms in the lattice is analogous to the motion of a charged particle in a magnetic field ...
Superfluid-Insulator Transition in a Moving System of Interacting Bosons
(American Physical Society (APS), 2005)
We analyze the stability of superfluid currents in a system of strongly interacting ultracold atoms in an optical lattice. We show that such a system undergoes a dynamic, irreversible phase transition at a critical phase ...
Engineering superfluidity in Bose-Fermi mixtures of ultracold atoms
(American Physical Society (APS), 2005)
We investigate many-body phase diagrams of atomic boson-fermion mixtures loaded in the two-dimensional optical lattice. Bosons mediate an attractive, finite-range interaction between fermions, leading to fermion pairing ...
Decay of superfluid currents in a moving system of strongly interacting bosons
(American Physical Society (APS), 2005)
We analyze the stability and decay of supercurrents of strongly interacting bosons on optical lattices. At the mean-field level, the system undergoes an irreversible dynamic phase transition, whereby the current decays ...