Selection of unitary operations in quantum secret sharing without entanglement

被引：8

作者：

Xu Juan ^{[1
]}

Chen HanWu ^{[1
]}

Liu WenJie ^{[1
,2
]}

Liu ZhiHao ^{[1
]}

机构：

[1] Southeast Univ, Sch Comp Sci & Engn, Nanjing 210096, Peoples R China

[2] Nanjing Univ Informat Sci & Technol, Sch Comp & Software, Nanjing 210044, Peoples R China

来源：

SCIENCE CHINA-INFORMATION SCIENCES | 2011年 / 54卷 / 09期

基金：

中国国家自然科学基金;

关键词：

quantum secret sharing; substitute-Bell-state attack; unitary operation; minimum failure probability; MULTIPARTY; STATE; COMMUNICATION;

D O I：

10.1007/s11432-011-4240-9

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We propose a substitute-Bell-state attack strategy for quantum secret sharing schemes without entanglement, as well as a definition of the minimum failure probability of such attack strategy. A quantitative analysis of security degrees corresponding to different unitary operations is also provided, when the secret sharing schemes without entanglement are stricken by substitute-Bell-state attack. As a result, the relation between the selection of unitary operations and the effect of substitute-Bell-state attack is shown, which can serve as an important guidance for the selection of unitary operations in designing and implementing quantum secret sharing schemes.

引用

页码：1837 / 1842

页数：6

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