Multipartite nonlocality in a thermalized Ising spin chain

Steve Campbell, Mauro Paternostro

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)
188 Downloads (Pure)

Abstract

We study multipartite correlations and nonlocality in an isotropic Ising ring under transverse magnetic field at both zero and finite temperature. We highlight parity-induced differences between the multipartite Bell-like functions used in order to quantify the degree of nonlocality within a ring state and reveal a mechanism for the passive protection of multipartite quantum correlations against thermal spoiling effects that is clearly related to the macroscopic properties of the ring model.
Original languageEnglish
Article number042324
JournalPhysical Review A
Volume82
Issue number4
DOIs
Publication statusPublished - 20 Oct 2010

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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