一种抗欺骗敏感弱硬币翻转的量子协议
量子物理
2009-11-07 v2
摘要
我们提出了一种用于弱硬币翻转任务的量子协议。我们发现，对于协议中某一参数选择，若一方诚实而另一方不诚实，不诚实方赢得硬币翻转的最大概率为 1/sqrt(2)。我们还表明，若双方将自己限制于不会被抓到欺骗的策略中，其获胜的最大概率甚至可以更小。因此，该协议以欺骗敏感的形式提供了额外的安全性。
引用
@article{arxiv.quant-ph/0202118,
title = {A quantum protocol for cheat-sensitive weak coin flipping},
author = {R. W. Spekkens and Terry Rudolph},
journal= {arXiv preprint arXiv:quant-ph/0202118},
year = {2009}
}
备注
4 pages RevTex. Differs from the journal version only in that the sentences: "The ordering of the authors on this paper was chosen by a coin flip implemented by a trusted third party. TR lost." have not been removed