An optimal entropic uncertainty relation in a two-dimensional Hilbert space

被引：46

作者：

Ghirardi, G ^{[1
]}

Marinatto, L

Romano, R

机构：

[1] Univ Trieste, Dept Theoret Phys, I-34127 Trieste, Italy

[2] Int Ctr Theoret Phys Abdus Salam, Trieste, Italy

[3] Ist Nazl Fis Nucl, Trieste, Italy

来源：

PHYSICS LETTERS A | 2003年 / 317卷 / 1-2期

关键词：

entropy; uncertainty relation; complementary observables;

D O I：

10.1016/j.physleta.2003.08.029

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We derive an optimal entropic uncertainty relation for an arbitrary pair of observables in a two-dimensional Hilbert space. Such a result, for the simple case we are considering, definitively improves all the entropic uncertainty relations which have appeared in the literature. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：32 / 36

页数：5

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