Generation of Werner states and preservation of entanglement in a noisy environment

被引：8
|
作者：
Jakóbczyk, L [1 ]
Jamróz, A [1 ]
机构：
[1] Univ Wroclaw, Inst Theoret Phys, PL-50204 Wroclaw, Poland
来源：
PHYSICS LETTERS A | 2005年 / 347卷 / 4-6期
关键词：
entanglement; noise; Werner states; preservation of entanglement;
D O I：
10.1016/j.physleta.2005.08.033
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the influence of noisy environment on the evolution of two-atomic system in the presence of collective damping. Generation of Werner states as asymptotic stationary states of evolution is described. We also show that for some initial states the amount of entanglement is preserved during the evolution. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：180 / 190
页数：11
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