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

页码：569 / 573

页数：5

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