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We discuss the possibility of application of the Wigner function as an indicator of quantum chaos. As an example we consider the system comprising a nonlinear oscillator permanently perturbed by a series of ultrashort external pulses. We show, that non-classicality parameter based on the Wigner function can be applied as a tool for distinguishing between chaotic and regular regions of quantum systems.
Acta Physica Hungarica Series B, Quantum Electronics – Springer Journals
Published: Aug 29, 2009
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