Generation of twin Fock states via transition from a two-component Mott insulator to a superfluid

Details Generation of twin Fock states via transition from a two-component Mott insulator to a superfluid Generation of twin Fock states via transition from a two-component Mott insulator to a superfluid

2006-07-15

arxiv.org/abs/cond-mat/0607397v2

Phys. Rev. A 75,011601 (R) (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

We propose the dynamical creation of twin Fock states, which exhibit Heisenberg limited interferometric phase sensitivities, in an optical lattice. In our scheme a two-component Mott insulator with two bosonic atoms per lattice site is melted into a superfluid. This process transforms local correlations between hyperfine states of atom pairs into multi-particle correlations extending over the whole system. The melting time does not scale with the system size which makes our scheme experimentally feasible.

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