ATOMIC TUNNELING AND ENTANGLEMENT SUDDEN DEATH IN A DISSIPATIVE ATOM-CAVITY SYSTEM

被引：0
|
作者：
Shen, J. [1 ]
Chen, Jiao [1 ]
Wang, W. [1 ]
Yi, X. X. [1 ]
机构：
[1] Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2009年 / 7卷 / 07期
关键词：
Entanglement; entanglement sudden death (ESD); tunneling; dissipation;
D O I：
10.1142/S0219749909005213
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, we study the effect of atom decay on the atomic tunneling and entanglement dynamics in an atom-cavity system. This system consists of an atom trapped in a double-well potential and a cavity that couples to the atom. The population of the atom in the left/right well and the dynamics of entanglement are calculated and discussed. We find that the tunneling behaves as a damping-oscillating function of time, and the entanglement between the internal and external degree of freedom of the atom exhibits entanglement sudden death (ESD).
引用
收藏
页码：1391 / 1400
页数：10
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