Non-Flat Universes and Black Holes in Asymptotically Free Mimetic Gravity

Chamseddine, Ali H.; Mukhanov, Viatcheslav und Russ, Tobias B. (2020): Non-Flat Universes and Black Holes in Asymptotically Free Mimetic Gravity. In: Fortschritte der Physik - Progress of Physics, Bd. 68, Nr. 1, 1900103

Abstract

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.

• Dokumententyp: Zeitschriftenartikel
• Fakultät: Physik
• Themengebiete: 500 Naturwissenschaften und Mathematik > 530 Physik
• ISSN: 0015-8208
• Sprache: Englisch