Wavefunction of the universe: Reparametrization invariance and field redefinitions of the minisuperspace path integral
We consider the Hartle–Hawking wavefunction of the universe defined as a Euclidean path integral that satisfies the “no-boundary proposal.” We focus on the simplest minisuperspace model that comprises a single scale factor degree of freedom and a positive cosmological constant. The model can be seen...
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| Main Authors: | , , |
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| Format: | article |
| Language: | EN |
| Published: |
Elsevier
2021
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| Subjects: | |
| Online Access: | https://doaj.org/article/74acd4ab388a4ec6a32832c1bcd913f3 |
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