摘要： 文献[7]给出了一个三者之间利用四粒子团簇态作为量子信道实现单粒子量子态的量子信息分离的方案。在此方案的基础上,分析了经典噪声信道对这个量子信息分离方案的影响。通过利用二元对称信道以及二元删除信道,得到了信息分离成功概率与经典信道噪声系数之间的关系。除此之外,还研究了量子噪声信道对此方案的影响。在振幅阻尼信道或者去极化信道上进行量子信息分离的过程中,量子纠缠信道将会发生退相干,从而导致量子信息分离质量的下降。文中给出了量子信息分离保真度与噪声系数以及所传送量子态系数之间的关系刻画。
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