Nonlinear dynamics of ultracold gases in double-well lattices

Details Nonlinear dynamics of ultracold gases in double-well lattices Nonlinear dynamics of ultracold gases in double-well lattices

2009-03-23

arxiv.org/abs/0903.3863v1

Laser Phys. Lett. 6 (2009) 235-241

Physics

Condensed Matter

Statistical Mechanics

Latex file, 15 pages, 3 figures

Scientific paper

An ultracold gas is considered, loaded into a lattice, each site of which is formed by a double-well potential. Initial conditions, after the loading, correspond to a nonequilibrium state. The nonlinear dynamics of the system, starting with a nonequilibrium state, is analysed in the local-field approximation. The importance of taking into account attenuation, caused by particle collisions, is emphasized. The presence of this attenuation dramatically influences the system dynamics.

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