Tunneling-induced damping of phase coherence revivals in deep optical lattices

Details Tunneling-induced damping of phase coherence revivals in deep optical lattices Tunneling-induced damping of phase coherence revivals in deep optical lattices

2008-07-23

arxiv.org/abs/0807.3627v2

Phys. Rev. A 78, 061603(R) (2008)

Physics

Condensed Matter

Other Condensed Matter

4+epsilon pages of RevTex4; Rapid Communication in Physical Review A

Scientific paper

10.1103/PhysRevA.78.061603

We consider phase coherence collapse and revival in deep optical lattices, and calculate within the Bose-Hubbard model the revival amplitude damping incurred by a finite tunneling coupling of the lattice wells (after sweeping from the superfluid to the Mott phase). Deriving scaling laws for the corresponding decay of first-order coherence revival in terms of filling factor, final lattice depth, and number of tunneling coupling partners, we estimate whether revival-damping related to tunneling between sites can be or even has already been observed in experiment.

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