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

页码：4375 / 4377

页数：3

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