Coherent control of quantum entropy via quantum interference in a four-level N-type atomic system

被引：3
|
作者：
Arzhang, B. [1 ]
Sahrai, M. [1 ]
Taherkhani, D. [1 ]
Hamedi, H. R. [2 ]
机构：
[1] Univ Tabriz, Res Inst Appl Phys & Astron, Tabriz, Iran
[2] Islamic Azad Univ, Kashan Branch, Young Researchers Club, Kashan, Iran
来源：
OPTIK | 2013年 / 124卷 / 19期
关键词：
Quantum entanglement; Quantum entropy; Quantum interference; Spontaneous emission; RESONANCE FLUORESCENCE; SPONTANEOUS EMISSION; ENTANGLEMENT; STATE; INFORMATION; FIELD;
D O I：
10.1016/j.ijleo.2012.11.072
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The time evaluation of quantum entropy in a four-level N-type atomic system is theoretically investigated. Quantum entanglement of the atom and its spontaneous emission fields is then discussed via quantum entropy. It is found that the degree of entanglement can be increased by the quantum interference induced by spontaneous emission. The phase dependence of the atom-field entanglement is also presented. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码：3861 / 3865
页数：5
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