Identifying strongly correlated supersolid states on the optical lattice by quench-induced π-states

Details Identifying strongly correlated supersolid states on the optical lattice by quench-induced π-states Identifying strongly correlated supersolid states on the optical lattice by quench-induced π-states

2011-11-24

arxiv.org/abs/1111.5787v1

Physics

Condensed Matter

Quantum Gases

4 pages of RevTex4-1, 4 figures

Scientific paper

We consider the rapid quench of a one-dimensional strongly correlated supersolid to a localized density wave (checkerboard) phase, and calculate the first-order coherence signal following the quench. It is shown that unique coherence oscillations between the even and odd sublattice sites of the checkerboard are created by the quench, which are absent when the initial state is described by a Gutzwiller product state. This opens up the possibility to discriminate experimentally between mean-field and many-body origins of supersolidity.

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