Variance-based uncertainty relations

被引：64

作者：

Huang, Yichen ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW A | 2012年 / 86卷 / 02期

关键词：

ENTROPIC UNCERTAINTY;

D O I：

10.1103/PhysRevA.86.024101

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Uncertainty relations are fundamental in quantum mechanics. Here I propose state-independent variance-based uncertainty relations for two or more arbitrary observables in finite dimensional spaces. The uncertainty relations provide near-optimal lower bounds in some typical examples, and are useful for entanglement detection.

引用

页数：2

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