Entanglement of a nonlinear two two-level atoms interacting with deformed fields in Kerr medium

被引：9
|
作者：
Abdel-Khalek, S. [1 ,2 ]
El-Saman, Y. S. [1 ]
Abdel-Aty, M. [3 ,4 ,5 ]
机构：
[1] Sohag Univ, Dept Math, Fac Sci, Sohag, Egypt
[2] Taif Univ, Math Dept, Fac Sci, At Taif, Saudi Arabia
[3] Appl Sci Univ, Sci Res & Grad Studies, East Al Kabir, Bahrain
[4] Sohag Univ, Fac Sci, Math Dept, Cairo, Egypt
[5] Zewail City Sci & Technol, Cairo, Egypt
来源：
PRAMANA-JOURNAL OF PHYSICS | 2018年 / 90卷 / 01期
关键词：
Entanglement; Kerr-like medium; sudden birth; sudden death; QUANTUM FISHER INFORMATION; SUDDEN-DEATH; DYNAMICS; ENTROPY; SYSTEM; STATES;
D O I：
10.1007/s12043-017-1492-y
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper we investigate the entanglement dynamics between two two-level atoms interacting with two coherent fields in two spatially separated cavities which are filled with a Kerr-like medium. We examine the effect of nonlinear medium on the dynamical properties of entanglement and atomic occupation probabilities in the case of even and odd deformed coherent states. The results show that the deformed fields play important roles in the evolution of entanglement. Also, the results demonstrate that entanglement sudden death, sudden birth and long-distance can be controlled by the deformation and nonlinear parameters.
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收藏
页数：7
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