Proposal for Revealing Quantum Nonlocality via Local Contextuality

Adán Cabello
Phys. Rev. Lett. 104, 220401 – Published 1 June 2010

Abstract

Two distant systems can exhibit quantum nonlocality even though the correlations between them admit a local model. This nonlocality can be revealed by testing extra correlations between successive measurements on one of the systems which do not admit a noncontextual model whatever the reduced state of this system is. This shows that quantum contextuality plays a fundamental role in quantum nonlocality, and allows an experimental test of the Kochen-Specker with locality theorem.

  • Figure
  • Received 20 November 2009

DOI:https://doi.org/10.1103/PhysRevLett.104.220401

©2010 American Physical Society

Authors & Affiliations

Adán Cabello*

  • Departamento de Física Aplicada II, Universidad de Sevilla, E-41012 Sevilla, Spain

  • *adan@us.es

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Issue

Vol. 104, Iss. 22 — 4 June 2010

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