Chamseddine, Ali H.; Mukhanov, Viatcheslav und Russ, Tobias B.
(2019):
Asymptotically free mimetic gravity.
In: European Physical Journal C, Bd. 79, Nr. 7, 558
Abstract
The idea of asymptotically free gravity is implemented using a constrained mimetic scalar field. The effective gravitational constant is assumed to vanish at some limiting curvature. As a result singularities in spatially flat Friedmann and Kasner universes are avoided. Instead, the solutions in both cases approach a de Sitter metric with limiting curvature. We show that quantum metric fluctuations vanish when this limiting curvature is approached.
| Dokumententyp: | Zeitschriftenartikel |
|---|---|
| Fakultät: | Physik |
| Themengebiete: | 500 Naturwissenschaften und Mathematik > 530 Physik |
| ISSN: | 1434-6044 |
| Sprache: | Englisch |
| Dokumenten ID: | 82757 |
| Datum der Veröffentlichung auf Open Access LMU: | 15. Dez. 2021, 15:03 |
| Letzte Änderungen: | 15. Dez. 2021, 15:03 |
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