Controlled remote preparation of an arbitrary four-qubit cluster-type state |
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Affiliation: | 1.School of Mathematics and Statistics, Henan University, Kaifeng 475004, China;2.Jiangsu Engineering Center of Network Monitoring, Nanjing University of Information Science and Technology, Nanjing 210044, China |
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Abstract: | Two schemes are proposed to realize the controlled remote preparation of an arbitrary four-qubit cluster-type state via a partially entangled channel. We construct ingenious measurement bases at the sender's and the controller's locations, which play a decisive role in the proposed schemes. The success probabilities can reach 50% and 100%, respectively. Compared with the previous proposals, the success probabilities are independent of the coefficients of the entangled channel. |
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Keywords: | controlled remote state preparation partially entangled channel measurement basis quantum network communication |
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