Quantum mutual entropy for a multilevel atom interacting with a cavity field

被引：1
|
作者：
Abdel-Aty, M. [1 ]
Wahiddin, M. R. B.
Obada, A. -S. F.
机构：
[1] Kulliyyah Sci, Ctr Computat & Theoret Sci, Kuala Lumpur 53100, Malaysia
[2] Al Azhar Univ, Fac Sci, Dept Math, Cairo, Egypt
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2007年 / 46卷 / 04期
关键词：
multi-level systems; mutual entropy;
D O I：
10.1007/s10773-006-9253-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We derive an explicit formula for the quantum mutual entropy as a measure of the total correlations in a multi-level atom interacting with a cavity field. We describe its theoretical basis and discuss its practical relevance. The effect of the number of levels involved on the quantum mutual entropy is demonstrated via examples of three-, four- and five-level atom. Numerical calculations under current experimental conditions are performed and it is found that the number of levels present changes the general features of the correlations dramatically.
引用
收藏
页码：972 / 983
页数：12
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