Swanson, Noel (2018) How to be a Relativistic Spacetime State Realist. [Preprint]

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Abstract

According to spacetime state realism (SSR), the fundamental ontology of a quantum mechanical world consists of a state-valued field evolving in 4-dimensional spacetime. One chief advantage it claims over rival wavefunction realist views is its natural compatibility with relativistic quantum field theory (QFT). I argue that the original density operator formulation of SSR cannot be extended to QFTs where the local observables form type III von Neumann algebras. Instead, I propose a new formulation of SSR in terms of a presheaf of local statespaces dual to the net of local observables studied by algebraic QFT.

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Item Type:	Preprint
Creators:	Creators Email ORCID Swanson, Noel nswanson@udel.edu 0000-0002-5950-3863
Additional Information:	Forthcoming in The British Journal for the Philosophy of Science
Keywords:	Spacetime State Realism, Wavefunction Realism, Quantum Ontology, Relativity, Algebraic Quantum Field Theory
Subjects:	Specific Sciences > Physics Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Relativity Theory
Depositing User:	Noel Swanson
Date Deposited:	26 Feb 2018 21:56
Last Modified:	26 Feb 2018 21:56
Item ID:	14412
Subjects:	Specific Sciences > Physics Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Relativity Theory
Date:	8 February 2018
URI:	https://philsci-archive.pitt.edu/id/eprint/14412

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