Interaction between two SU (1,1) quantum systems and a two-level atom

被引：6
|
作者：
Abdalla, M. Sebawe [1 ]
Khalil, E. M. [2 ,3 ]
Obada, A. S-F [2 ]
机构：
[1] King Saud Univ, Dept Math, Coll Sci, POB 2455, Riyadh 11451, Saudi Arabia
[2] Al Azhar Univ, Fac Sci, Dept Math, Cairo 11884, Egypt
[3] Taif Univ, Fac Sci, Dept Math, Taif City 888, Saudi Arabia
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2016年 / 454卷
关键词：
Atomic inversion; Linear entropy; Squeezing phenomenon; Correlation function; JAYNES-CUMMINGS MODEL; ENTROPIC UNCERTAINTY; RADIATION-FIELD; FLUCTUATIONS; STATISTICS; CONVERSION; EVOLUTION; COLLAPSE; REVIVAL; STATE;
D O I：
10.1016/j.physa.2016.02.059
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider a two-level atom interacting with two coupled quantum systems that can be represented in terms of su (1, 1) Lie algebra. The wave function that is obtained using the evolution operator for the atom is initially in a superposition state and the coupled su (1, 1) systems in a pair coherent Barut-Girardello coherent state. We then discuss atomic inversion, where more periods of revivals are observed and compared with a single su (1, 1) quantum system. For entanglement and squeezing phenomena, the atomic angles coherence and phase as well as the detuning are effective parameters. The second-order correlation function displays Bunching and anti-Bunching behavior. (c) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：99 / 109
页数：11
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