On entanglement invariant for a double Jaynes-Cummings model

被引：2
|
作者：
Man Zhong-Xiao [1 ]
Xia Yun-Jie [1 ]
机构：
[1] Qufu Normal Univ, Coll Phys & Engn, Qufu 273165, Peoples R China
来源：
CHINESE PHYSICS B | 2008年 / 17卷 / 12期
基金：
中国国家自然科学基金;
关键词：
entanglement dynamics; entanglement invariant;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In a recent paper [Phys. Rev. A 76 042313 (2007)], Sainz and Bjork introduced an entanglement invariant epsilon under evolution for a system of four qubits interacting through two isolated Jaynes-Cummings Hamiltonians. This paper proves that this entanglement invariant epsilon is closely connected with the linear entropy between two independent subsystems.
引用
收藏
页码：4375 / 4377
页数：3
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