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Chinese Physics, 2007, Vol. 16(2): 329-334    DOI: 10.1088/1009-1963/16/2/010
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Teleportation of two-atom entangled state in resonant cavity quantum electrodynamics

Yang Zhen-Biao(杨贞标)
Department of Electronic Science and Applied Physics Fuzhou University, Fuzhou 350002, China
Abstract  An alternative scheme is presented for teleportation of a two-atom entangled state in cavity quantum electrodynamics (QED). It is based on the resonant atom--cavity field interaction. In the scheme, only one cavity is involved, and the number of the atoms needed to be detected is decreased compared with the previous scheme. Since the resonant atom--cavity field interaction greatly reduces the interaction time, the decoherence effect can be effectively suppressed during the teleportation process. The experimental feasibility of the scheme is discussed. The scheme can easily be generalized to the teleportation of N-atom Greeninger--Horne--Zeilinger (GHZ) entangled states. The number of atoms needed to be detected does not increase as the number of the atoms in the GHZ state increases.
Keywords:  teleportation      two-atom entangled state      resonant cavity QED  
Received:  15 May 2006      Revised:  06 July 2006      Accepted manuscript online: 
PACS:  03.65.Ud (Entanglement and quantum nonlocality)  
  03.65.Yz (Decoherence; open systems; quantum statistical methods)  
  03.67.Lx (Quantum computation architectures and implementations)  
  03.67.Mn (Entanglement measures, witnesses, and other characterizations)  
  42.50.Pq (Cavity quantum electrodynamics; micromasers)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10225421).

Cite this article: 

Yang Zhen-Biao(杨贞标) Teleportation of two-atom entangled state in resonant cavity quantum electrodynamics 2007 Chinese Physics 16 329

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