State-independent quantum contextuality for continuous variables

Ángel R. Plastino and Adán Cabello
Phys. Rev. A 82, 022114 – Published 26 August 2010

Abstract

Recent experiments have shown that nature violates noncontextual inequalities regardless of the state of the physical system. So far, all these inequalities involve measurements of dichotomic observables. We show that state-independent quantum contextuality can also be observed in the correlations between measurements of observables with genuinely continuous spectra, highlighting the universal character of the effect.

  • Received 11 May 2010

DOI:https://doi.org/10.1103/PhysRevA.82.022114

©2010 American Physical Society

Authors & Affiliations

Ángel R. Plastino1,* and Adán Cabello2,†

  • 1Instituto Carlos I de Física Teórica y Computacional and Departamento de Física Atómica, Molecular y Nuclear, Universidad de Granada, E-18071 Granada, Spain
  • 2Departamento de Física Aplicada II, Universidad de Sevilla, E-41012 Sevilla, Spain

  • *arplastino@ugr.es
  • adan@us.es

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Vol. 82, Iss. 2 — August 2010

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