Phys. Rev. E 78, 066219 (2008) [8 pages]Wigner-function nonclassicality as indicator of quantum chaosReceived 5 June 2008; published 29 December 2008 We propose a Wigner-function-based parameter that can be used as an indicator of quantum chaos. This parameter is defined as “entropy” from the time dependence of “nonclassicality” proposed by A. Kenfack and K. Życzkowski J. Opt. B 6 394 (2004) We perform our considerations for the system of damped nonlinear (Kerr-like) oscillator excited by a series of ultrashort external pulses. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.78.066219
DOI:
10.1103/PhysRevE.78.066219
PACS:
05.45.Mt, 42.50.Dv
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