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Frictionless dynamics of Bose-Einstein condensates under fast trap variations

A method is proposed to design the time dependence of the trap frequency and achieve in a short time an adiabatic-like (frictionless) evolution of Bose-Einstein condensates governed by the Gross-Pitaevskii equation. Different cases depending on the effective dimension of the trap and the interaction regimes are considered. 2D traps are particularly suitable as the method can be applied without the need to impose any additional time-dependent change in the strength of the interatomic interaction or a Thomas-Fermi regime as it occurs for 1D and 3D traps.

preprint2009arXivOpen access
J. G. MugaXi ChenA. RuschhauptD. Guery-Odelin
cond-mat.quant-gasquant-ph
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J. G. MugaXi ChenA. RuschhauptD. Guery-Odelin

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