Time reversal of Bose-Einstein condensates

Details Time reversal of Bose-Einstein condensates Time reversal of Bose-Einstein condensates

2008-04-22

arxiv.org/abs/0804.3514v2

Phys. Rev. Lett. 101, 074102 (2008)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 5 figures. References and discussion added. Research done at http://www.quantware.ups-tlse.fr/

Scientific paper

10.1103/PhysRevLett.101.074102

Using Gross-Pitaevskii equation, we study the time reversibility of Bose-Einstein condensates (BEC) in kicked optical lattices, showing that inside the regime of quantum chaos the dynamics can be inverted from explosion to collapse. The accuracy of time reversal decreases with the increase of atom interactions inside BEC, until it is completely lost. Surprisingly, quantum chaos helps to restore time reversibility. These predictions can be tested with existing experimental setups.

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