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量子密码中BB84协议的信息论研究 被引量:13

Information investigation for BB84 protocol in quantum ceyptography
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摘要 :本文在量子密码中首次引入量子测量信道的概念 ,并以此计算了量子保密通信中敌手所能获得的信息量 。 In this paper,we propose an information theory of quantum cryptography by intruducing the quantum measurement channel The mutual information is calculated,and a new criteria for checking Eve is estimated
出处 《通信学报》 EI CSCD 北大核心 2000年第6期70-73,共4页 Journal on Communications
基金 国家自然科学基金资助项目! (6 980 30 0 8)
关键词 量子密码学 量子信息论 BB84协议 quantum cryptography quantum information theroy quantum measurement channel quantum mutual information
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参考文献7

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