Quantum Entanglement in Two-Photon Tavis–Cummings Model with a Kerr Nonlinearity

被引：0
|
作者：
Jun-Mao Ma
Zhi-Yong Jiao
Ning Li
机构：
[1] China University of Petroleum (East China),College of Physics Science and Technology
来源：
International Journal of Theoretical Physics | 2007年 / 46卷
关键词：
Quantum entanglement; Reduced quantum entropy; Relative quantum entropy;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The properties of quantum entanglement in the two-photon Tavis–Cummings model with a Kerr nonlinearity are studied in terms of quantum information entropy theory. The reduced quantum entropy is employed to investigate the quantum entanglement between two two-level atoms and a single-mode coherent field. The relative quantum entropy is employed to investigate the quantum entanglement between the two two-level atoms. The influences of the nonlinear interaction of the Kerr medium with the field and the atomic dipole-dipole interaction on the properties of quantum entanglement of the system are also examined. Some important results are obtained.
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页码：2550 / 2559
页数：9
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