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基于W态的量子秘密共享协议

, PP. 605-609

Keywords: 量子光学,W态,量子秘密共享,量子密码,远程通信

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Abstract:

基于W态及其非定域纠缠关联性,利用量子远程通信设计了一种量子秘密共享协议。在该协议中,Alice制备三粒子W态及秘密量子信息,将W态中的任意两粒子分别发送给Bob1和Bob2,并对自己拥有的粒子进行Bell基联合测量;依据Alice的测量结果,Bob1和Bob2联合进行相应的局域操作就能共同得到秘密信息。并对协议的安全性进行了详细分析,研究表明该协议能抵御多种攻击,如干扰重发攻击、纠缠攻击等。

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