Bamonti, Nicola and Thebault, Karim P Y (2024) In Search of Cosmic Time: Complete Observables and the Clock Hypothesis. [Preprint]
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Abstract
This paper consider a new and deeply challenging face of the problem of time in the context of cosmology drawing on the work of Thiemann (2006). Thiemann argues for a radical response to cosmic problem of time that requires us to modify the classical Friedmann equations. By contrast, we offer a conser- vative 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 2016, 2023), and the model-based account of time measurement (Tal 2016). On our approach, we must reinterpret our criteria of observability in light of the clock hypothesis and the model-based 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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| 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: | 03 Nov 2024 12:46 | |||||||||
| Last Modified: | 03 Nov 2024 12:46 | |||||||||
| Item ID: | 24142 | |||||||||
| 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: | 1 November 2024 | |||||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/24142 |
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