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Quantum nonlinear oscillator, chaos and Wigner function

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Acta Physica Hungarica Series B, Quantum Electronics

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Abstract

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.

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Authors and Affiliations

  1. Nonlinear Optics Division, Institute of Physics, Adam Mickiewicz University, ul Umultowska 85, 61-614, Poznań, Poland

    A. Kowalewska-Kudlaszyk, J. K. Kalaga & W. Leoński

Authors
  1. A. Kowalewska-Kudlaszyk
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  2. J. K. Kalaga
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  3. W. Leoński
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Correspondence to W. Leoński.

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Kowalewska-Kudlaszyk, A., Kalaga, J.K. & Leoński, W. Quantum nonlinear oscillator, chaos and Wigner function. Acta Phys. Hung. B 26, 243–246 (2006). https://doi.org/10.1556/APH.26.2006.3-4.3

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  • DOI: https://doi.org/10.1556/APH.26.2006.3-4.3

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