Non-flat Universes and Black Holes in Asymptotically Free Mimetic Gravity
| Autor: | Viatcheslav Mukhanov, Tobias B. Russ, Ali H. Chamseddine |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Physics
High Energy Physics - Theory 0303 health sciences Gravity (chemistry) Cosmology and Nongalactic Astrophysics (astro-ph.CO) 030302 biochemistry & molecular biology General Physics and Astronomy FOS: Physical sciences General Relativity and Quantum Cosmology (gr-qc) Curvature Asymptotic freedom General Relativity and Quantum Cosmology Gravitation Black hole 03 medical and health sciences Hawking High Energy Physics - Theory (hep-th) Metric (mathematics) 030304 developmental biology Mathematical physics Astrophysics - Cosmology and Nongalactic Astrophysics |
| Popis: | The recently proposed theory of "Asymptotically Free Mimetic Gravity" is extended to the general non-homogeneous, spatially non-flat case. We present a modified theory of gravity which is free of higher derivatives of the metric. In this theory asymptotic freedom of gravity implies the existence of a minimal black hole with vanishing Hawking temperature. Introducing a spatial curvature dependent potential, we moreover obtain non-singular, bouncing modifications of spatially non-flat Friedmann and Bianchi universes. 55 pages, 3 figures |
| Databáze: | OpenAIRE |
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