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Accepted manuscript

Quo Vadis Wheeler-DeWitt Time?

Challenging Emergent Time in Quantum Cosmology

Published online by Cambridge University Press:  02 September 2025

Nicola Bamonti Open the ORCID record for Nicola Bamonti [Opens in a new window] ,
Enrico Cinti Open the ORCID record for Enrico Cinti [Opens in a new window]  and
Marco Sanchioni Open the ORCID record for Marco Sanchioni [Opens in a new window]
Nicola Bamonti
Affiliation:
Department of Philosophy, Scuola Normale Superiore Piazza dei Cavalieri 7, 56126 Pisa, Italy nicola.bamonti@sns.it Department of Philosophy, University of Geneva, 5, rue de Candolle, CH-1211 Genèeve 4, Switzerland
Enrico Cinti
Affiliation:
Department of Philosophy, University of Geneva, 5, rue de Candolle, CH-1211 Genèeve 4, Switzerland Institute for Logic, Language, and Computation, University of Amsterdam, 1090 GL Amsterdam, The Netherlands cinti.enrico@gmail.com
Marco Sanchioni
Affiliation:
Istituto Universitario Sophia, Via San Vito n.28, Loppiano, 50064 Figline e Incisa Valdarno (FI) Italia marco.sanchioni2@gmail.com
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Abstract

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This paper challenges the notion of emergent time in quantum cosmology by examining the reconciliation of the timeless Wheeler-deWitt equation with the Universe’s dynamical evo- lution. We critically evaluate the analogy between the Wheeler-DeWitt and Klein-Gordon equations, highlighting challenges for the identification of an emergent time parameter. We conclude that refining this analogy may lead to a better understanding of emergent time in quantum cosmology, though it is still not free from complications.

Information

Type
Contributed Paper
Information
Philosophy of Science , Accepted manuscript , pp. 1 - 17
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of Philosophy of Science Association