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Chinese Physics, 2005, Vol. 14(7): 1382-1386    DOI: 10.1088/1009-1963/14/7/020
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Entanglement dynamics of Gaussian continuous states in correlated noisy channels

Tan Hua-Tang (谭华堂), Xia Hong-Xing (夏洪星), Li Gao-Xiang (李高翔)
Department of Physics, Huazhong Normal University, Wuhan 430079,China
Abstract  The evolution of the entanglement of an initial two-mode squeezed vacuum (TMSV) in correlated noisy channels is investigated. It is shown that the correlated environment is helpful for preserving the entanglement of the initial TMSV. The entanglement period of the initial TMSV depends on the correlation property of the correlated environment.
Keywords:  entanglement      Gaussian state      noisy channels  
Received:  14 October 2004      Revised:  30 March 2005      Accepted manuscript online: 
PACS:  03.65.Ud (Entanglement and quantum nonlocality)  
  03.67.-a (Quantum information)  
  03.65.Ta (Foundations of quantum mechanics; measurement theory)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10204009) and the Foundation for Excellent Young Teachers from the Ministry of Education of China.

Cite this article: 

Tan Hua-Tang (谭华堂), Xia Hong-Xing (夏洪星), Li Gao-Xiang (李高翔) Entanglement dynamics of Gaussian continuous states in correlated noisy channels 2005 Chinese Physics 14 1382

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