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四粒子W态的概率隐形传态

, PP. 308-313

Keywords: 隐形传态∣正交完备测量基∣四粒子W态

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Abstract:

提出利用两个二粒子非最大纠缠态作为量子信道传送任意四粒子W纠缠态的方案。发送者只需做一次正交完备基测量,然后通过经典信道将测量结果告知接收者,接受者通过引入辅助粒子F,并在适当的么正变换后做VonNeumann测量,接着引入辅助粒子B3B4,并对手中拥有的粒子进行再一次的幺正变换,就能以一定的概率完成四粒子纠缠态的隐形传输。整个隐形传态过程中,发送者只需一次正交完备基测量,且当量子信道为最大纠缠态时,此方案可实现完全传输。

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