| 一个基于Bell态的高效量子秘密共享协议 |
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| 引用本文： | 郭奋卓,高飞,温巧燕,朱甫臣.一个基于Bell态的高效量子秘密共享协议[J].北京邮电大学学报,2005,28(6):120-122. |
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| 作者姓名： | 郭奋卓 高飞 温巧燕 朱甫臣 |
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| 作者单位： | 北京邮电大学 |
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| 基金项目： | 中国科学院资助项目，广东省博士启动基金，国家重点实验室基金，ISN国家重点实验室基金，北京邮电大学校科研和教改项目 |
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| 摘 要： | 利用量子安全直接通信(QSDC)的思想，提出1个新的基于Bell态的高效量子秘密共享（QSS）方案. 该方案利用量子相干性和1个随机比特串，Alice直接让Bob和Charlie共享其秘密消息，而不是首先与Bob和Charlie建立共享的联合密钥，再用联合密钥传输消息. 1个Bell态可用于共享2?bit的经典信息. 研究表明该方案是安全的.
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| 关 键 词： | 量子秘密共享 量子安全直接通信 密集编码 Bell态 |
| 文章编号： | 1007-5321（2005）06-0120-03 |
| 收稿时间： | 2004-12-05 |
| 修稿时间： | 2004年12月5日 |
An Efficient Quantum Secret Sharing Scheme Based on Bell States |
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| GUO Fen-zhuo,GAO Fei,WEN Qiao-yan,ZHU Fu-chen.An Efficient Quantum Secret Sharing Scheme Based on Bell States[J].Journal of Beijing University of Posts and Telecommunications,2005,28(6):120-122. |
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| Authors: | GUO Fen-zhuo GAO Fei WEN Qiao-yan ZHU Fu-chen |
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| Affiliation: | 1School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China;2State Key Laboratory of Integrated Services Network, Xidian University, Xi''an 710071 China;3National Laboratory for Modern Communications, Chengdu 610041, Chin |
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| Abstract: | Drawing idea from the quantum secure direct communication(QSDC),a novel quantum secret sharing(QSS) scheme with high efficiency based on Bell states was proposed.In this scheme,the sender Alice needed no longer share a joint key between her and the two receivers,Bob and Charlie,as well as used the joint key to transmit her message.Alice shared her secret message with Bob and Charlie directly.One Bell state could be used to share two bits message.Investigation showed that the scheme is secure. |
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| Keywords: | quantum secret sharing quantum secure direct communication dense coding Bell states |
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