Momentum state engineering and control in Bose-Einstein condensates

Details Momentum state engineering and control in Bose-Einstein condensates Momentum state engineering and control in Bose-Einstein condensates

2001-06-22

arxiv.org/abs/cond-mat/0106454v3

Phys. Rev. A 64 (2001) 063613

Physics

Condensed Matter

Soft Condensed Matter

9 pages incl. 6 PostScript figures (.eps), LaTeX using RevTeX, submitted to Phys. Rev. A, incl. small modifications, some refe

Scientific paper

10.1103/PhysRevA.64.063613

We demonstrate theoretically the use of genetic learning algorithms to coherently control the dynamics of a Bose-Einstein condensate. We consider specifically the situation of a condensate in an optical lattice formed by two counterpropagating laser beams. The frequency detuning between the lasers acts as a control parameter that can be used to precisely manipulate the condensate even in the presence of a significant mean-field energy. We illustrate this procedure in the coherent acceleration of a condensate and in the preparation of a superposition of prescribed relative phase.

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