Discrimination of measurement contexts in quantum mechanics

被引：5

作者：

Mayato, R. Sala ^{[1
,2
,3
]}

Muga, J. G. ^{[3
,4
]}

机构：

[1] Univ La Laguna, Dept Fis Fundamental 2, San Cristobal la Laguna 38204, Sc De Tenerife, Spain

[2] Univ La Laguna, IUdEA, San Cristobal la Laguna 38204, Sc De Tenerife, Spain

[3] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany

[4] Univ Basque Country, Dept Quim Fis, Bilbao 48080, Spain

来源：

PHYSICS LETTERS A | 2011年 / 375卷 / 36期

关键词：

HIDDEN-VARIABLES;

D O I：

10.1016/j.physleta.2011.07.012

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate that it is possible to discern the way that has been followed to measure a quantum observable that can be expressed in terms of different products of observables, whereas no such discrimination is possible by assigning predetermined values. Specifically we show how to distinguish different routes (contexts) to measure C = AB = A' B', when C, A, B and C, A', B' commute with each other, but A and B do not commute with A' and B'. (C) 2011 Elsevier B.V. All rights reserved,

引用

页码：3167 / 3170

页数：4

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