Remote State Preparation of a Two-Atom Entangled State in Cavity QED
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A physical scheme for remotely preparing a diatomic entangled state based on the cavity QED technique is presented in this paper. The quantum channel is composed of a two-atom entangled state and a three-atom entangled W state. The non-resonant interaction between two atoms and cavity is utilized at sender’s side to distribute the information among the quantum channel, and the original state can be transmitted to either one of the two receivers. It shows that an extra cavity and an atom are needed at the final receiver’s side as an auxiliary system if the non-maximally entangled states are worked as the quantum channel. The total success probabilities for the two receivers are not equal to each other except that the states of the quantum channel are maximally entangled.
KeywordsRemote state preparation Non-resonant interaction Two-atom entangled state
This research was financially supported by the National Natural Science Foundation of China (No: 61201258), the Open Fund of Shanghai Dianji University for Computer Application Technology (No. 13XKJ01-2) and the Program of Practice learning for Faculty Development in Universities of Shanghai .
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