New features of entanglement and other applications of a two-qubit system

被引：30
|
作者：
Obada, A. -S. F. [1 ]
Abdel-Khalek, S. [1 ,2 ,3 ]
Abo-Kahla, D. A. M. [4 ]
机构：
[1] Al Azhar Univ, Fac Sci, Dept Math, Cairo, Egypt
[2] Sohag Univ, Fac Sci, Dept Math, Sohag, Egypt
[3] Taif Univ, Fac Sci, Dept Math, At Taif, Saudi Arabia
[4] Ain Shams Univ, Fac Educ, Dept Math, Cairo, Egypt
来源：
OPTICS COMMUNICATIONS | 2010年 / 283卷 / 23期
关键词：
DRIVEN 2-LEVEL ATOM; ENTROPIC UNCERTAINTY; SQUEEZED VACUUM; QUANTUM; CAVITY; STATE; FIELD;
D O I：
10.1016/j.optcom.2010.06.074
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we examine a class of special cases of a two-qubit system under time evolution, in the presence of local squeezed reservoirs, we report some results related to the occurrence of so-called entanglement sudden death (ESD) of two cases of the class, which are initially entangled In addition, we calculate the information entropies, the purity and the single-atom entropy squeezing of the bipartite system. Finally, we discuss the effects of the local squeezed vacuum fields on the entanglement and other applications of the bipartite system. (C) 2010 Elsevier B V All rights reserved.
引用
收藏
页码：4662 / 4670
页数：9
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