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One time, two times, or no time?

Wuthrich, Christian (2020) One time, two times, or no time? [Preprint]

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Abstract

Contemporary research programs in fundamental physics appear to suggest that there could be two (physical) times---or none at all. This essay articulates these possibilities in the context of quantum gravity, and in particular of cosmological models developed in an approach called 'loop quantum gravity', and explains how they could nevertheless underwrite our manifestly temporal world. A proper interpretation of these models requires a negotiation of an atemporal and a temporal sense of the emergence of (space)time.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Wuthrich, Christianchristian.wuthrich@unige.ch0000-0001-8774-6160
Additional Information: 15 pages
Keywords: Quantum gravity, emergence of spacetime, philosophy of time, loop quantum gravity, loop quantum cosmology
Subjects: Specific Sciences > Physics > Cosmology
Specific Sciences > Physics
Specific Sciences > Physics > Quantum Gravity
Specific Sciences > Physics > Relativity Theory
Depositing User: Christian Wuthrich
Date Deposited: 14 Sep 2020 14:48
Last Modified: 14 Sep 2020 14:48
Item ID: 18079
Subjects: Specific Sciences > Physics > Cosmology
Specific Sciences > Physics
Specific Sciences > Physics > Quantum Gravity
Specific Sciences > Physics > Relativity Theory
Date: 29 June 2020
URI: http://philsci-archive.pitt.edu/id/eprint/18079

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