Hofer-Szabó, Gábor and Vecsernyés, Péter (2014) On the concept of Bell's local causality in local classical and quantum theory. [Preprint]

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Abstract

The aim of this paper is to give a sharp definition of Bell's notion of local causality. To this end, first we unfold a framework, called local physical theory, integrating probabilistic and spatiotemporal concepts. Formulating local causality within this framework and classifying local physical theories by whether they obey local primitive causality---a property rendering the dynamics of the theory causal, we then investigate what is needed for a local physical theory, with or without local primitive causality, to be locally causal. Finally, comparing Bell's local causality with the Common Cause Principles and relating both to the Bell inequalities we find a nice parallelism: Bell inequalities cannot be derived neither from local causality nor from a common cause unless the local physical theory is classical or the common cause is commuting, respectively.

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Item Type:	Preprint
Creators:	Creators Email ORCID Hofer-Szabó, Gábor gsz@szig.hu Vecsernyés, Péter vecsernyes.peter@wigner.mta.hu
Keywords:	local causality, Common Cause Principle, Bell inequality
Subjects:	General Issues > Causation Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Quantum Mechanics
Depositing User:	Gabor Hofer-Szabo
Date Deposited:	27 Jun 2014 21:52
Last Modified:	27 Jun 2014 21:52
Item ID:	10796
Subjects:	General Issues > Causation Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Quantum Mechanics
Date:	2014
URI:	https://philsci-archive.pitt.edu/id/eprint/10796

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