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Efficient schemes of joint remote preparation with a passive receiver via EPR pairs |
Ma Song-Ya (马松雅)a, Gao Cong (高聪)a, Luo Ming-Xing (罗明星)b |
a School of Mathematics and Statistics, Henan University, Kaifeng 475004, China; b Information Security and National Computing Grid Laboratory, Southwest Jiaotong University, Chengdu 610031, China |
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Abstract Novel schemes are put forward to execute the joint remote preparation of an arbitrary two-qubit state with a passive receiver via EPR pairs as the entangled channel. Compared with the previous protocols, the required multi-particle measurement is simplified and the classical communication cost is reduced. When the number of senders increases, the advantage is more evident. It means that the proposed schemes are more efficient in practice.
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Received: 27 April 2015
Revised: 16 June 2015
Accepted manuscript online:
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PACS:
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03.67.Hk
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(Quantum communication)
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03.67.-a
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(Quantum information)
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03.65.-w
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(Quantum mechanics)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61201253, 61303039, 61572246, and 61502147) and the Fundamental Research Fund for the Central Universities of China (Grant No. 2682014CX095). |
Corresponding Authors:
Ma Song-Ya
E-mail: masongya0829@126.com
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Cite this article:
Ma Song-Ya (马松雅), Gao Cong (高聪), Luo Ming-Xing (罗明星) Efficient schemes of joint remote preparation with a passive receiver via EPR pairs 2015 Chin. Phys. B 24 110308
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