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Controlled Secure Quantum Dialogue by Using Brown States 认领 引用 被引量：2
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作者 YANG You-feng YE Zhi-qing TU Chun-lei 《光子学报》 EI CAS CSCD 北大核心 2013年第11期1305-1310,共6页
A novel scheme of controlled secure quantum dialogue by using Brown states was proposed in this paper.It this scheme,Alice,Bob and Charlie shared a five-particle Brown states.Alice made unitary operations on two parti... A novel scheme of controlled secure quantum dialogue by using Brown states was proposed in this paper.It this scheme,Alice,Bob and Charlie shared a five-particle Brown states.Alice made unitary operations on two particles of the Brown states to realize encoding her secret calssical message.Similarly,Bob performed corresponding unitary transformations to another two particles to encode the information that he wanted to send to Alice.Later,Charlie made Brown base states joint measurement on the Brown final state and announced the measured results.Alice and Bob deduced the opposite party's information according to Charlie's announced measurement results and her(his)unitary operation when encoding.They completed quantum dialogue successfully.Then the scheme's security was discussed and a conclusion was drawn.Compared with the previous quantum dialogues,the secure quantum dialogue scheme adds the controlled party,ensures the communication security,and increases the particles number involving in the communication process and the coding efficiency. 展开更多
关键词 Quantum dialogue Brown states Secure High encoding efficiency
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