Bamonti, Nicola and Thebault, Karim P Y (2025) In Search of Cosmic Time: Complete Observables and the Clock Hypothesis. [Preprint]
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Abstract
This paper considers a new and deeply challenging face of the problem of time in
the context of cosmology drawing on the work of Thiemann (2006, 2007). Thiemann argues
for a radical response to the cosmic problem of time that requires us to modify the classical
Friedmann equations. By contrast, we offer a conservative proposal for solution of the problem
by bringing together ideas from the contemporary literature regarding reference frames (Bamonti
2023; Bamonti and Gomes 2024), complete observables (Gryb and Thébault 2016b; Gryb and
Thébault 2023), and the modelbased account of time measurement (Tal 2016). On our approach,
we must reinterpret our criteria of observability in light of the clock hypothesis and the modelbased
account of measurement in order to preserve the Friedmann equations as the dynamical
equations for the universe.
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| Item Type: | Preprint | |||||||||
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| Additional Information: | Forthcoming at The British Journal for Philosophy of Science | |||||||||
| Keywords: | Time; Cosmology; The Clock Hypothesis | |||||||||
| Subjects: | Specific Sciences > Physics > Cosmology General Issues > Models and Idealization Specific Sciences > Physics > Quantum Gravity Specific Sciences > Physics > Symmetries/Invariances General Issues > Theory/Observation |
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| Depositing User: | Dr Karim Thebault | |||||||||
| Date Deposited: | 09 May 2025 14:15 | |||||||||
| Last Modified: | 09 May 2025 14:15 | |||||||||
| Item ID: | 25263 | |||||||||
| Subjects: | Specific Sciences > Physics > Cosmology General Issues > Models and Idealization Specific Sciences > Physics > Quantum Gravity Specific Sciences > Physics > Symmetries/Invariances General Issues > Theory/Observation |
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| Date: | 7 May 2025 | |||||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/25263 |
Available Versions of this Item
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In Search of Cosmic Time: Complete Observables and the Clock Hypothesis. (deposited 03 Nov 2024 12:46)
- In Search of Cosmic Time: Complete Observables and the Clock Hypothesis. (deposited 09 May 2025 14:15) [Currently Displayed]
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