Multi-parameter quantum metrology

被引：220
|
作者：
Szczykulska, Magdalena [1 ]
Baumgratz, Tillmann [2 ]
Datta, Animesh [2 ]
机构：
[1] Univ Oxford, Dept Phys, Oxford, England
[2] Univ Warwick, Dept Phys, Coventry, W Midlands, England
来源：
ADVANCES IN PHYSICS-X | 2016年 / 1卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
Quantum metrology; multi-parameter estimation; Cramer-Rao bound; (quantum) Fisher information matrix; Heisenberg scaling; FISHER INFORMATION; LOWER BOUNDS; PHASE; GEOMETRY; LIMITS;
D O I：
10.1080/23746149.2016.1230476
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The simultaneous quantum estimation of multiple parameters can provide a better precision than estimating them individually. This is an effect that is impossible classically. We review the rich background of quantum-limited local estimation theory of multiple parameters that underlies these advances. We discuss some of the main results in the field and its recent progress. We close by highlighting future challenges and open questions.
引用
收藏
页码：621 / 639
页数：19
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