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Resonance-Assisted Tunneling in Near-Integrable Systems

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Brodier, O. ; Schlagheck, Peter ; Ullmo, D.
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Date of publication of this fulltext: 05 Aug 2009 13:30


Dynamical tunneling between symmetry related invariant tori is studied in the near-integrable regime. Using the kicked Harper model as an illustration, we show that the exponential decay of the wave functions in the classically forbidden region is modified due to coupling processes that are mediated by classical resonances. This mechanism leads to a substantial deviation of the splitting ...


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