量子测量非最优性的估计及计算最优测量的简单迭代方法
量子物理
2009-02-15 v2
摘要
我们根据量子测量对Holevo简化最小误差最优性条件的违反程度,构建了其非最优性的粗略估计。作为一个应用,我们表明对Barnett和Croke的最优性条件证明进行修改,可得到一个用于计算最优测量的收敛迭代方案。
引用
@article{arxiv.0902.0395,
title = {Estimates of non-optimality of quantum measurements and a simple iterative method for computing optimal measurements},
author = {Jon Tyson},
journal= {arXiv preprint arXiv:0902.0395},
year = {2009}
}
备注
The optimality condition in the prevoius version had already been shown by Holevo. The bounds on non-optimality and convergence of the iterative algorithm are unchanged