Environment induced entanglement in cavity-QED

被引：0
|
作者：
N. Nayak
Biplab Ghosh
A. S. Majumdar
机构：
[1] Birfa institute of Technology,Department of Applied Physics
[2] Shankar Ghosh Lane,Metropolitan Institute (Main)
[3] S. N. Bose National Centre for Basic Sciences,undefined
来源：
Indian Journal of Physics | 2010年 / 84卷
关键词：
Entanglement; tripartite system;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effects of dissipative dynamics on the magnitude of entanglement generated In atom-photon interactions inside cavities is studied. We present some concrete examples of environment Induced entanglement in alom-photon interactions. We consider various dissipative atom-cavity systems and show that their collective dynamics can be used to maximize entanglement for intermediate values of the cavity leakage parameter κ. We first consider the interaction of a single two-level atom with one of two coupled microwave cavities and show analytically that the atom-cavity entanglement increases with cavity leakage. We next consider a system of two atoms passing successively through a cavity and derive the expression for the maximum value of in terms of the Rabi angle gt, for which the two-atom entanglement can be Increased. Finally, numerical investigation of micromaser dynamics also reveals the increase of two-atom entanglement with stronger cavity-environment coupling for experimentally attainable values of the micromaser parameters.
引用
收藏
页码：1039 / 1050
页数：11
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