VIOLATION OF THE PURE-STATE CONDITION BY THE CLASSICALLY EVOLVED WIGNER FUNCTION

被引:18
|
作者
MUGA, JG [1 ]
SNIDER, RF [1 ]
机构
[1] UNIV LA LAGUNA,FAC FIS,DEPT FIS FUNDAMENTAL & EXPTL,LA LAGUNA,SPAIN
来源
EUROPHYSICS LETTERS | 1992年 / 19卷 / 07期
关键词
SEMICLASSICAL THEORIES AND APPLICATIONS; FORMALISM;
D O I
10.1209/0295-5075/19/7/001
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Unlike the quantum density matrix, the inverse Weyl transform of the classically evolved Wigner function is, in general, neither positive nor is its purity (in a quantum sense) necessarily preserved in time.
引用
收藏
页码:569 / 573
页数:5
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