Two oscillators in a dissipative bath

被引：16
|
作者：
Zhao, Y [1 ]
Chen, GH [1 ]
机构：
[1] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2003年 / 317卷 / 1-2期
关键词：
dissipative baths; quantum entanglement; continuous variable;
D O I：
10.1016/S0378-4371(02)01329-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Two forms of dissipation are applied to a system of two coupled harmonic oscillators. Resulting quantum master equations are studied with the help of quantum characteristic functions. The effects of dissipation on quantum entanglement are investigated in the view of recent interest in separability criteria for density matrices. Decoherence-free subspaces are constructed for a Lindlad dissipation mechanism. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：13 / 40
页数：28
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