Ψ-epistemic quantum cosmology? |
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| Institution: | 1. School of Historical and Philosophical Inquiry, University of Queensland, Australia;2. Institute for Mathematics, Astrophysics and Particle Physics, Radboud University, Netherlands;3. Department of Philosophy, University of Bristol, United Kingdom;1. Steroid and Immunobiochemistry Unit, Canterbury Health Laboratories, 524 Hagley Avenue, Christchurch 8011, New Zealand;2. Molecular Pathology Laboratory, University of Otago Christchurch, Christchurch 8011, New Zealand;3. Clinical Biochemistry, Canterbury Health Laboratories, 524 Hagley Avenue, Christchurch 8011, New Zealand;1. Instituto de Filosofía “Dr. Alejandro Korn” (UBA-CONICET), Argentina;2. Center Leo Apostel for Interdisciplinary Studies, Foundations of the Exact Sciences (Vrije Universiteit Brussel), Belgium;3. Dipartimento di Matematica e Informatica, U. Dini Viale Morgagni, 67/a, 50134 Firenze, Italy;4. Departamento de matemtica (UNR-CONICET), Av Pellegrini, 250 Rosario, Argentina;5. Instituto de Astronomía y Física del Espacio (UBA-CONICET), Argentina |
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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 and causally symmetric local hidden variable theories. Our conclusion weighs the strengths and weaknesses of the approach and points towards paths for future development. |
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