Chaos assisted tunnelling with cold atoms

Details Chaos assisted tunnelling with cold atoms Chaos assisted tunnelling with cold atoms

2000-12-07

arxiv.org/abs/nlin/0012013v1

Nonlinear Sciences

Chaotic Dynamics

submitted to Phys. Rev. E ; 16 pages, 13 figures; figures of better quality can be found at http://www.phys.univ-tours.fr/~mou

Scientific paper

10.1103/PhysRevE.64.016221

In the context of quantum chaos, both theory and numerical analysis predict large fluctuations of the tunnelling transition probabilities when irregular dynamics is present at the classical level. We consider here the non-dissipative quantum evolution of cold atoms trapped in a time-dependent modulated periodic potential generated by two laser beams. We give some precise guidelines for the observation of chaos assisted tunnelling between invariant phase space structures paired by time-reversal symmetry.

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