A new approach to the Cramer-Rao-type bound of the pure-state model

被引：167

作者：

Matsumoto, K ^{[1
]}

机构：

[1] Quantum Computat & Informat Project, Bunkyo Ku, Tokyo 1130033, Japan

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2002年 / 35卷 / 13期

关键词：

D O I：

10.1088/0305-4470/35/13/307

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This paper sheds light on non-commutativity in quantum theory as, regards theoretical estimation. In it, we calculate the quantum Cramer-Rao-type bound for many cases, by use of a newly proposed powerful technique. We also discuss the use of collective measurement in statistical estimation.

引用

页码：3111 / 3123

页数：13

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