Koberinski, Adam and Smeenk, Chris (2023) Philosophical Issues in Early Universe Cosmology. [Preprint]
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Abstract
This article highlights some interesting foundational and philosophical issues made salient in early universe cosmology. One major focus is on issues that arise at the boundaries of distinct theories or frameworks, when trying to merge them for describing the early universe. These include issues at the boundary of gravity and statistical physics, as well as gravity and quantum field theory. These foundational issues arise in trying to unify distinct domains of physics. Another major theme of early universe cosmology is the methodological goal of finding dynamical explanations for striking features in the universe. This review surveys many examples of such a methodology—including the cosmic arrow of time, posits of a Past Hypothesis for the initial state of the universe, inflation, baryogenesis, and emergence of spacetime. There is much philosophical debate about the prospects for success of such a methodology; these are surveyed below.
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| Item Type: | Preprint | |||||||||
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| Additional Information: | Forthcoming in Oxford Research Encyclopedia of Physics | |||||||||
| Keywords: | Cosmology; Past hypothesis; emergence spacetime | |||||||||
| Subjects: | Specific Sciences > Physics > Cosmology Specific Sciences > Physics > Quantum Gravity Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Statistical Mechanics/Thermodynamics |
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| Depositing User: | Dr. Adam Koberinski | |||||||||
| Date Deposited: | 26 Oct 2023 02:29 | |||||||||
| Last Modified: | 26 Oct 2023 02:29 | |||||||||
| Item ID: | 22697 | |||||||||
| Subjects: | Specific Sciences > Physics > Cosmology Specific Sciences > Physics > Quantum Gravity Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Statistical Mechanics/Thermodynamics |
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| Date: | 2023 | |||||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/22697 |
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