| Issue |
EPL
Volume 133, Number 2, January 2021
|
|
|---|---|---|
| Article Number | 20008 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/133/20008 | |
| Published online | 24 March 2021 | |
Glassy gravity
1 Department of Physics, Ryerson University - M5B 2K3, Toronto, Canada
2 Kavli Institute for Theoretical Physics, University of California - Santa Barbara, CA 93106-4030, USA
Received: 27 November 2020
Accepted: 22 December 2020
Euclidean quantum gravity is reconsidered, in the conformal mode approximation. Applying techniques from glass theory, we argue that the Euclidean partition function hides metastable states, which can be counted. This may reconcile conflicting results on the uniqueness of the de Sitter vacuum, and may be relevant to the cosmological constant problem.
PACS: 04.60.-m – Quantum gravity / 64.60.My – Metastable phases / 11.10.-z – Field theory
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