期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 43, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/43/2/025501
关键词
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资金
- Natural Science Foundation of Jiangxi, China [2007GZW0819, 2008GQW0017]
- Scientific Research Foundation of Jiangxi Provincial Department of Education [GJJ09504]
- Foundation of Talent of Jinggang of Jiangxi Province [2008DQ00400]
We investigate the entanglement dynamics and coherence of two two-level atoms interacting with two coherent fields of two spatially separated and dissipative cavities. It is in particular shown that entanglement sudden death is obtained within a short interaction time. However, after a long interaction time a long-lived entanglement is shown; that is, the initial entanglement of two atoms could be partially preserved. In addition, the coherence of the two atoms will not be lost during the evolution.
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