Controlling Entanglement Dynamics by Choosing Appropriate Ratio between Cavity-Fiber Coupling and Atom-Cavity Coupling

被引：11
|
作者：
Liao Chang-Geng [1 ]
Yang Zhen-Biao [1 ]
Chen Zi-Hong [1 ]
Luo Cheng-Li [1 ]
机构：
[1] Fuzhou Univ, Dept Elect Sci & Appl Phys, Fuzhou 350002, Peoples R China
来源：
COMMUNICATIONS IN THEORETICAL PHYSICS | 2010年 / 54卷 / 04期
基金：
中国国家自然科学基金;
关键词：
controlling entanglement dynamics; concurrence; fiber; SUDDEN-DEATH; QUANTUM; FIELDS; STATE;
D O I：
10.1088/0253-6102/54/4/17
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The entanglement characteristics including the so-called sudden death effect between two identical two-level atoms trapped in two separate cavities connected by an optical fiber are studied. The results show that the time evolution of entanglement is sensitive not only to the degree of entanglement of the initial state but also to the ratio between cavity-fiber coupling (v) and atom-cavity coupling (g). This means that the entanglement dynamics can be controlled by choosing specific v and g.
引用
收藏
页码：667 / 671
页数：5
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