Minimax Strategy of Optimal Unambiguous State Discrimination

被引：0
|
作者：
张文海 [1 ]
余宝龙 [2 ]
曹卓良 [2 ]
叶柳 [3 ]
机构：
[1] Department of Physics, Huainan Normal University
[2] School of Electronic and Information Engineering, Hefei Normal University
[3] School of Physics and Material Science, Anhui University
来源：
Communications in Theoretical Physics | 2012年 / 58卷 / 08期
基金：
美国国家科学基金会;
关键词：
quantum state discrimination; optimal unambiguous discrimination; minimax strategy;
D O I：
暂无
中图分类号：
O413.1 [量子力学（波动力学、矩阵力学）];
学科分类号：
070205 ; 0809 ;
摘要：
In this paper, we consider the minimax strategy to unambiguously discriminate two pure nonorthogonal quantum states without knowing a priori probability. By exploiting the positive-operator valued measure, we derive the upper bound of the minimax measurement of the optimal unambiguous state discrimination. Based on the linear optical devices, we propose an experimentally feasible scheme to implement a minimax measure of a general pair of two nonorthogonal quantum states.
引用
收藏
页码：209 / 212
页数：4
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