利用贝尔态的高效量子密钥分配协议

Efficient quantum key distribution scheme using the Bell States

提出了一个建立在EPR关联之上的量子密钥分配协议,除了用作纠错部分之外,所有的量子位都对密钥生成有贡献,因此它是高效的,每个EPR对贡献密钥的两个位,所以本协议可以获得高容量,最后证明了该协议是安全的。

A quantum key distribution protocol based on the correlations of Einstein- Podolsky- Rosen （EPR） pairs is present in this paper. All EPR pairs, apart from some error- checking bits, are in distributing the key, which is greatly efficient. It can get high capacity because one EPR pairs is used to determinate two bits of the key. This protocol is proved to be secure.