Ψ-epistemic quantum cosmology?

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Nov 2016Embargo end date: 01 Jan 2016 Australia, United Kingdom, Netherlands, Netherlands English Publisher:Elsevier BVJournal:Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics, volume 56, pages 1-12 (issn: 1355-2198,

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Authors: Evans, P.W.; Gryb, S.; Gryb, S.; Thebault, K.P.Y.;

doi: 10.1016/j.shpsb.2016.10.005 , 10.48550/arxiv.1606.07265

arXiv: 1606.07265

handle: https://repository.ubn.ru.nl/handle/2066/162628 , 2066/162628 , 1983/eea136fa-1a14-4427-a55a-703febdc65ad

Ψ-epistemic quantum cosmology?

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Abstract

This paper provides a prospectus for a new way of thinking about the wavefunction of the universe: a $Ψ$-epistemic quantum cosmology. We present a proposal that, if successfully implemented, would resolve the cosmological measurement problem and simultaneously allow us to think sensibly about probability and evolution in quantum cosmology. Our analysis draws upon recent work on the problem of time in quantum gravity, upon causally-symmetric local hidden variable theories, and upon a dynamical origin for the cosmological arrow of time. Our conclusion weighs the strengths and weaknesses of the approach and points towards paths for future development.

33 pre-print pages

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Australia, United Kingdom, Netherlands, Netherlands

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Keywords

local hidden variable theories, Physics, Multidisciplinary, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), 530, General Relativity and Quantum Cosmology, wavefunction of the universe, Theoretical High Energy Physics, 3100 Physics and Astronomy, High Energy Physics, History & Philosophy of Science, Relativistic cosmology, 1207 History and Philosophy of Science, Multidisciplinary, History & Philosophy Of Science, Physics, cosmological measurement problem, 500, General and philosophical questions in quantum theory, Quantum measurement theory, state operations, state preparations, Alternative quantum mechanics (including hidden variables, etc.), 1202 History

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