Sudden death and birth of entanglement beyond the Markovian approximation

被引：24
|
作者：
Xu, Z. Y. [1 ,2 ]
Feng, M. [1 ]
机构：
[1] Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
PHYSICS LETTERS A | 2009年 / 373卷 / 22期
关键词：
Entanglement dynamics; Non-Markovian reservoir; Entanglement sudden death (ESD); Entanglement sudden birth (ESB);
D O I：
10.1016/j.physleta.2009.03.054
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the entanglement dynamics of two initially entangled qubits interacting independently with two uncorrelated reservoirs beyond the Markovian approximation. Quite different from the Markovian reservoirs [C.E. Lopez, et al., Phys. Rev. Lett. 101 (2008) 080503], we find that entanglement sudden birth (ESB) of the two reservoirs occurs without certain symmetry with respect to the entanglement sudden death (ESD) of the two qubits. A phenomenological interpretation of entanglement revival is also given. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1906 / 1910
页数：5
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