Butterfield, Jeremy and Marsh, Brendan (2019) Non-locality and quasiclassical reality in Kent's formulation of relativistic quantum theory. [Preprint]

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Abstract

We report Adrian Kent's proposed framework for a realist, one-world, Lorentz-invariant formulation of quantum theory. The idea is to postulate a �final boundary condition: in eft�ect, a late-time distribution of mass-energy recording how photons scattered off� macroscopic objects. Nature selects this fi�nal boundary condition with the orthodox late-time Born probability; and this defi�nes the probability space of events, to give a realist quantum theory. We
emphasize two topics. First, we consider this formulation's verdicts about traditional locality conditions, such as Outcome Independence and Parameter Independence. Second, we discuss a possible amendment to Kent's proposal that, roughly speaking, allows for the emergence of a quasi-classical history even when mass-energy is shielded or delayed from appearing in the fi�nal boundary condition.

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Item Type:	Preprint
Creators:	Creators Email ORCID Butterfield, Jeremy jb56@cam.ac.uk 0000-0002-0215-5802 Marsh, Brendan marshbp@stanford.edu 0000-0002-8451-4425
Additional Information:	Presented at DICE2018 conference, September 2018: submitted to Journal of Physics, Conference Series.
Keywords:	Kent, measurement problem, Lorentz-invariance, pilot-wave theory, information delay, peaceful coexistence, Shimony, Outcome Independence, Parameter Independence.
Subjects:	Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Relativity Theory
Depositing User:	Jeremy Butterfield
Date Deposited:	07 Feb 2019 22:23
Last Modified:	07 Feb 2019 22:23
Item ID:	15723
Subjects:	Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Relativity Theory
Date:	January 2019
URI:	https://philsci-archive.pitt.edu/id/eprint/15723

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