Loschmidt cooling by time reversal of atomic matter waves

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We propose an experimental scheme which allows to realize approximate time reversal of matter waves for ultracold atoms in the regime of quantum chaos. We show that a significant fraction of the atoms return back to their original state, being at the same time cooled down by several orders of magnitude. We give a theoretical description of this effect supported by extensive numerical simulations. The proposed scheme can be implemented with existing experimental setups.
revtex 4 pages, 5 figs, research at http://www.quantware.ups-tlse.fr/, new data and modifications added

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Statistical Mechanics, Chaotic Dynamics, Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/154005

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0710.4860
 http://arxiv.org/abs/0710.4860
 Phys. Rev. Lett. 100, 044106 (2008)
 doi:10.1103/PhysRevLett.100.044106

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arXiv