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The influences of dipole-dipole interaction and detuning on the sudden death of entanglement between two atoms in the Tavis-Cummings model
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 时间：0
  • 分类：O431.2[机械工程—光学工程;理学—光学;理学—物理] TE341[石油与天然气工程—油气田开发工程]
  • 作者机构：[1]Department of Physics, College of Science, Yanbian University, Yanji 133002, China, [2]Center for the Condensed-Matter Science and Technology, Harbin Institute of Technology, Harbin 150001, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Grant No 60667001）.
作者： 陈丽[1], 邵晓强[2], 张寿[1,2]
关键词： 偶极相互作用, 纠缠原子, s模型, 失谐, concurrence, sudden death of entanglement, dipole-dipole interaction, detuning
中文摘要：

The influences of dipole-dipole interaction and detuning on the entanglement between two atoms with different initial tripartite entangled W-like states in the Tavis-Cummings model have been investigated by means of Wootters’ concurrence,respectively.The results show that the entanglement between the two atoms can be enhanced via appro-priately tuning the strength of dipole-dipole interaction of two atoms or the detunings between atom and cavity,and the so-called sudden death effect can be weakened simultaneously.

英文摘要：

The influences of dipole-dipole interaction and detuning on the entanglement between two atoms with different initial tripartite entangled W-like states in the Tavis Cummings model have been investigated by means of Wootters＇ concurrence, respectively. The results show that the entanglement between the two atoms can be enhanced via appropriately tuning the strength of dipole-dipole interaction of two atoms or the detunings between atom and cavity, and the so-called sudden death effect can he weakened simultaneously.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
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  • 被引量:406