Single Particle Tunneling in Strongly Driven Double Well Potentials

Details Single Particle Tunneling in Strongly Driven Double Well Potentials Single Particle Tunneling in Strongly Driven Double Well Potentials

2008-03-10

arxiv.org/abs/0803.1406v1

Physics

Quantum Physics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.100.190405

We report on the first direct observation of coherent control of single particle tunneling in a strongly driven double well potential. In our setup atoms propagate in a periodic arrangement of double wells allowing the full control of the driving parameters such as frequency, amplitude and even the space-time symmetry. Our experimental findings are in quantitative agreement with the predictions of the corresponding Floquet theory and are also compared to the predictions of a simple two mode model. Our experiments reveal directly the critical dependence of coherent destruction of tunneling on the generalized parity symmetry.

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