Wigner-function nonclassicality as indicator of quantum chaos

被引：25
|
作者：
Kowalewska-Kudlaszyk, A. [1 ]
Kalaga, J. K. [1 ]
Leonski, W. [1 ]
机构：
[1] Adam Mickiewicz Univ, Inst Phys, Div Nonlinear Opt, PL-61614 Poznan, Poland
来源：
PHYSICAL REVIEW E | 2008年 / 78卷 / 06期
关键词：
D O I：
10.1103/PhysRevE.78.066219
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
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. Zyczkowski [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.
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页数：8
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