Tommasini, Daniele (2002) Reality, measurement and locality in Quantum Field Theory. [Preprint]

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Abstract

It is currently believed that the local causality of Quantum Field Theory (QFT) is destroyed by the measurement process. This belief is also based on the Einstein-Podolsky-Rosen (EPR) paradox and on the so-called Bell's theorem, that are thought to prove the existence of a mysterious, instantaneous action between distant measurements. However, I have shown recently that the EPR argument is removed, in an interpretation-independent way, by taking into account the fact that the Standard Model of Particle Physics prevents the production of entangled states with a definite number of particles. This result is used here to argue in favor of a statistical interpretation of QFT and to show that it allows for a full reconciliation with locality and causality. Within such an interpretation, as Ballentine and Jarret pointed out long ago, Bell's theorem does not demonstrate any nonlocality.

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Item Type:	Preprint
Creators:	Creators Email ORCID Tommasini, Daniele
Keywords:	Quantum Field Theory; Standard Model; Correlations; Locality; Causality; Measurement Problem; Einstein-Podolsky-Rosen paradox; Bell's Theorem
Subjects:	Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Quantum Mechanics
Depositing User:	Daniele Tommasini
Date Deposited:	22 May 2002
Last Modified:	07 Oct 2010 15:10
Item ID:	651
Subjects:	Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Quantum Mechanics
Date:	May 2002
URI:	https://philsci-archive.pitt.edu/id/eprint/651

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