The controlled teleportation of an arbitrary two-atom entangled state in driven cavity QED

Details The controlled teleportation of an arbitrary two-atom entangled state in driven cavity QED The controlled teleportation of an arbitrary two-atom entangled state in driven cavity QED

2008-11-24

arxiv.org/abs/0811.3785v2

International Journal of Theoretical Physics,Published online: 31 December 2008

Physics

Quantum Physics

10 pages

Scientific paper

10.1007/s10773-008-9924-6

In this paper, we propose a scheme for the controlled teleportation of an arbitrary two-atom entangled state $|\phi>_{12}=a|gg>_{12}+b|ge>_{12}+c|eg>_{12}+d|ee>_{12}$ in driven cavity QED. An arbitrary two-atom entangled state can be teleported perfectly with the help of the cooperation of the third side by constructing a three-atom GHZ entangled state as the controlled channel. This scheme does not involve apparent (or direct) Bell-state measurement and is insensitive to the cavity decay and the thermal field. The probability of the success in our scheme is 1.0.

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