Non-flat Universes and Black Holes in Asymptotically Free Mimetic Gravity
arXiv:1912.03162 · doi:10.1002/prop.201900103
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.
arXiv comment55 pages, 3 figures
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