Adiabatic melting of two-component Mott-insulator states

Details Adiabatic melting of two-component Mott-insulator states Adiabatic melting of two-component Mott-insulator states

2008-01-21

arxiv.org/abs/0801.3252v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, 9 figures

Scientific paper

10.1103/PhysRevA.77.043613

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 an that, in general, the obtained superfluid states are highly depleted even for initial ground Mott insulator states.

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