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Quantum Foundations

A histories perspective on characterising quantum non-locality

arXiv

Authors: Fay Dowker, Joe Henson, Petros Wallden

Year

2013

Paper ID

31757

Status

Preprint

Abstract Read

~2 min

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Abstract

We introduce a framework for studying non-locality and contextuality inspired by the path integral formulation of quantum theory. We prove that the existence of a strongly positive joint quantum measure - the quantum analogue of a joint probability measure - on a set of experimental probabilities implies the Navascues-Pironio-Acin (NPA) condition Q¹ and is implied by the stronger NPA condition Q^1+AB. A related condition is shown to be equivalent to Q^1+AB.

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This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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We introduce a framework for studying non-locality and contextuality inspired by the path integral formulation of quantum theory.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1311.6287 [2] arXiv https://arxiv.org/abs/1311.6287 [3] Publisher https://arxiv.org/abs/1311.6287

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