Entangled states in the two-mode coherent fields interacting with a two-level atom

被引：0

作者：

Liu, XJ

Fang, MF ^{[1
]}

机构：

[1] Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China

[2] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Hefei 230031, Peoples R China

[3] Xiangtan Normal Coll, Dept Phys, Xiangtan 411202, Peoples R China

来源：

CHINESE PHYSICS | 2003年 / 12卷 / 09期

关键词：

two-mode coherent fields; quantum entanglement; reduced entropy; relative entropy;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate the entanglement properties of the two-mode coherent fields interacting with a two-level atom via the two-photon transition. We discuss the quantum entanglement between the two-mode coherent fields and the two-level atom by using the quantum reduced entropy and that between the two-mode coherent fields by using the quantum relative entropy. We also examine the influences of the initial states of the atom and the two-mode coherent fields on the quantum entanglement of the system. Our results show that three types of entangled states can be prepared via the two-mode coherent fields interacting with a two-level atom and choosing appropriately the initial-state parameters of the system.

引用

页码：971 / 976

页数：6

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