计算机科学 ›› 2014, Vol. 41 ›› Issue (12): 53-56.doi: 10.11896/j.issn.1002-137X.2014.12.012
张程贤,郭邦红,程广明,郭建军,刘颂豪
ZHANG Cheng-xian,GUO Bang-hong,CHENG Guang-ming,GUO Jian-jun and LIU Song-hao
摘要： 利用多粒子非对称量子纠缠态,提出一种多体高维非对称量子信道的量子受控密集编码方案。采用量子测量的方法控制纠缠量子信道和密集编码经典信息的传送,通过构造幺正变换矩阵和正交量子测量,纯化量子信道,以一定的概率实现量子受控密集编码,解决了实际量子信道退相干影响下最大纠缠态提取的问题,实现了N方发送方和1方接收方之间密集编码传送信息量的控制,提高了密集编码可调控传送信息量,扩大了调控范围。
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