Efficient quantum key distribution scheme using the bell state measurement

被引:11
作者
Li, XY [1 ]
机构
[1] Chinese Acad Sci, Inst Comp Technol, Beijing 100080, Peoples R China
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS C | 2003年 / 14卷 / 06期
关键词
quantum key distribution; EPR pairs; the Bell state measurement; security; efficient;
D O I
10.1142/S0129183103004887
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In this paper we provide a quantum key distribution (QKD) scheme based on the correlations of Einstein-Podolsky Rosen (EPR) pairs. The scheme uses an auxiliary qubit to interact with the EPR pair and does the Bell state measurement to get the key. It is proved to be secure. All EPR pairs are used in distributing the key except some error-checking bits. So it is efficient. On the other hand there are less classical communications needed in the scheme.
引用
收藏
页码:757 / 763
页数:7
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