Genuinely Multipartite Entangled Quantum States with Fully Local Hidden Variable Models and Hidden Multipartite Nonlocality

Joseph Bowles, Jérémie Francfort, Mathieu Fillettaz, Flavien Hirsch, and Nicolas Brunner
Phys. Rev. Lett. 116, 130401 – Published 30 March 2016
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Abstract

The relation between entanglement and nonlocality is discussed in the case of multipartite quantum systems. We show that, for any number of parties, there exist genuinely multipartite entangled states that admit a fully local hidden variable model, i.e., where all parties are separated. Hence, although these states exhibit the strongest form of multipartite entanglement, they cannot lead to Bell inequality violation considering general nonsequential local measurements. Then, we show that the nonlocality of these states can nevertheless be activated using sequences of local measurements, thus revealing genuine multipartite hidden nonlocality.

  • Figure
  • Received 2 December 2015

DOI:https://doi.org/10.1103/PhysRevLett.116.130401

© 2016 American Physical Society

Physics Subject Headings (PhySH)

General Physics

Authors & Affiliations

Joseph Bowles, Jérémie Francfort, Mathieu Fillettaz, Flavien Hirsch, and Nicolas Brunner

  • Département de Physique Théorique, Université de Genève, 1211 Genève, Switzerland

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Issue

Vol. 116, Iss. 13 — 1 April 2016

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