Time reversal of Bose-Einstein condensates
J. Martin, B. Georgeot, D. L. Shepelyansky
TL;DR
This paper investigates the time reversibility of Bose-Einstein condensates in kicked optical lattices, revealing how quantum chaos and atom interactions influence the ability to invert BEC dynamics.
Contribution
It demonstrates that quantum chaos can aid in restoring time reversibility of BECs and analyzes how atom interactions affect this process.
Findings
Time reversal accuracy decreases with stronger atom interactions.
Quantum chaos can help restore time reversibility.
Predictions are testable with current experimental setups.
Abstract
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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