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

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    In this paper, we propose a scheme for the controlled teleportation of an arbitrary two-atom entangled state ∣ϕ>12=a∣gg>12+b∣ge>12+c∣eg>12+d∣ee>12|\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.Comment: 10 page
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