[en] Using Gross-Pitaevskii equation, we study the time reversibility of Bose-Einstein condensates (BEC) in kicked optical lattices, showing that in 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 in BEC, until it is completely lost. Surprisingly, quantum chaos helps to restore time reversibility. These predictions can be tested with existing experimental setups.
Disciplines :
Physics
Author, co-author :
Martin, John ; Université de Liège - ULiège > Département de physique > Physique des atomes froids
Georgeot, B.; Laboratoire de Physique Théorique, Université de Toulouse III, CNRS, 31062 Toulouse, France
Shepelyansky, D. L.; Laboratoire de Physique Théorique, Université de Toulouse III, CNRS, 31062 Toulouse, France
Language :
English
Title :
Time Reversal of Bose-Einstein Condensates
Publication date :
2008
Journal title :
Physical Review Letters
ISSN :
0031-9007
eISSN :
1079-7114
Publisher :
American Physical Society, Ridge, United States - New York