A study on the sudden death of entanglement

被引：107
|
作者：
Cui, H. T. [1 ]
Li, K. [1 ]
Yi, X. X. [1 ]
机构：
[1] Dalian Univ Technol, Dept Phys, Dalian 116024, Peoples R China
来源：
PHYSICS LETTERS A | 2007年 / 365卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Number: 10305002,60578014, Acronym: NSFC, Sponsor: National Natural Science Foundation of China,;
D O I：
10.1016/j.physleta.2006.12.049
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The dynamics of entanglement and the phenomenon of entanglement sudden death (ESD) [T. Yu, J.H. Eberly, Opt. Commun. 264 (2006) 393] are discussed in bipartite systems, measured by Wootters concurrence. Our calculation shows that ESD appears whenever the system is open or closed and is dependent on the initial condition. The relation of the evolution of entanglement and energy transfer between the system and its surroundings is also studied. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：44 / 48
页数：5
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