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基于六粒子簇态的量子信息分离方案

, PP. 455-460

Keywords: 量子光学,量子信息分离,多粒子簇态,贝尔测量,经典信息损耗

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Abstract:

利用非最大六粒子纠缠簇态作为量子信道,实现推广的任意二粒子量子态的信息分离方案。结果表明分离者可以让接收方中的任意一方在另一方的帮助下通过适当的幺正操作得到任意未知二粒子量子态。该方案中需要推广的BELL(GBM)基测量和单粒子测量(SM),并通过引入辅助粒子寻找合适的纠缠匹配的方法实现概率量子信息分离。计算了量子信息分离(QIS)方案的成功概率和经典信息损耗,若量子信道为最大纠缠信道,方案成功的概率为1同时将消耗14bit的经典信息。

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