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9-量子团簇态信道的非对称双向量子信息传输
引用本文:彭家寅. 9-量子团簇态信道的非对称双向量子信息传输[J]. 计算机科学与探索, 2020, 14(2): 353-360
作者姓名:彭家寅
作者单位:内江师范学院 数学与信息科学学院,四川 内江 641199
基金项目:the Comprehensive Reform of Mathematics and Applied Mathematics Major in the Ministry of Education of China under Grant No. ZG0464 (教育部数学与应用数学专业综合改革项目);The National Natural Science Foundation of China under Grant No. 11671284 (国家自然科学基金)
摘    要:利用一个9-量子团簇态为信道,分别提出了三个关于二量子态和三量子态的双向量子信息传输协议。在第一个协议中,Alice能把三量子a1、a2和a3的未知态传送给Bob,Bob能把二量子b1和b2的未知态传送给Alice。Alice采用特殊三粒子态测量基,使得方案简化了一半。在第二个协议中,Alice在远方的Bob处制备三粒子a1、a2和a3的已知态,同时Bob也能在Alice处制备二量子b1和b2的已知态。由于他们充分利用了前馈测量策略,制备任务能够完美完成。在第三个协议中,利用前两个协议的优点,Alice能成功将三量子a1、a2和a3的未知态传送给Bob,Bob也完美地在Alice处制备二量子b1和b2的已知态。

关 键 词:量子通信  非对称隐形传态  非对称远程态制备  非对称双向量子信息混合传输  9-量子团簇态

Asymmetric Bidirectional Quantum Information Transmission by Using 9-Qubit Cluster State as Channel
PENG Jiayin. Asymmetric Bidirectional Quantum Information Transmission by Using 9-Qubit Cluster State as Channel[J]. Journal of Frontier of Computer Science and Technology, 2020, 14(2): 353-360
Authors:PENG Jiayin
Affiliation:(College of Mathematics and Information Sciences,Neijiang Normal University,Neijiang,Sichuan 641199,China)
Abstract:Using a 9-quantum cluster state as the channel,three protocols of asymmetric bidirectional quantum information transmission for the 2-qubit and 3-qubit states are proposed,respectively.In the first protocol,Alice can teleport the 3-qubit unknown state of qubits a1,a2 and a3 to Bob,Bob can transfer his 2-qubit unknown state of qubits b1 and b2 to Alice.Alice uses a special measurement basis of 3-qubit states,which simplifies the scheme by half.In the second protocol,Alice can remotely prepare the 3-qubit known state of qubits a1,a2 and a3 at Bob’s site,at the same time Bob can also remotely prepare the 2-qubit known state of qubits b1 and b2 for Alice.Because they make full use of the feedforward measurement strategy,the preparation task can be completed perfectly.In the third protocol,using the advantages of the first two protocols,Alice can successfully teleport the 3-qubit unknown state of qubits a1,a2 and a3 to Bob,and Bob can also perfectly prepare the 2-qubit known state of qubits b1 and b2 at Alice’s site.
Keywords:quantum communication  asymmetric teleportation  asymmetric remote state preparation  asymmetric bidirectional quantum information hybrid transmission  9-qubit entangled state
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