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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