Degree of entanglement for two fields interacting with a two-level system

被引：13
|
作者：
Abdel-Aty, M
Abdalla, MS
机构：
[1] King Saud Univ, Coll Sci, Dept Math, Riyadh 11451, Saudi Arabia
[2] SouthValley Univ, Fac Sci, Dept Math, Sohag, Egypt
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2002年 / 307卷 / 3-4期
关键词：
mechanical effects of light on atom; photon interactions with atoms;
D O I：
10.1016/S0378-4371(01)00629-X
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In the present communication, we consider a model of the Hamiltonian which represents the interaction between two-field and two-level atom, where the multiphoton processes is involved. We study the influences of Stark shifts on the degree of entanglement for the system via nondegenerate Raman two-photon transition. The effect of Stark shift on the entropy and the entanglement is analyzed. It is shown that this effect changes the quasiperiod of the field entropy, as well as the entanglement between the particle and the field. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：437 / 452
页数：16
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