Publications by Stephen Clark

Adiabatic melting of two-component Mott-insulator states

Physical Review A - Atomic, Molecular, and Optical Physics 77 (2008)

M Rodríguez, SR Clark, D Jaksch

We analyze the outcome of a Mott insulator to superfluid transition for a two-component Bose gas with two atoms per site in an optical lattice in the limit of slow ramping down the lattice potential. This manipulation of the initial Mott-insulating state transforms local correlations between hyperfine states of atom pairs into multiparticle correlations extending over the whole system. We show how to create macroscopic twin Fock states in this way, and that, in general, the obtained superfluid states are highly depleted even for initial ground Mott-insulator states. © 2008 The American Physical Society.

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