Non‐Flat Universes and Black Holes in Asymptotically Free Mimetic Gravity
Non‐Flat Universes and Black Holes in Asymptotically Free Mimetic Gravity
复制标题
渐近自由拟态引力中的非平坦宇宙和黑洞
DOI:
10.1002/prop.201900103
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Russ, Tobias B.
中科院分区:
文献类型:
--
作者:
Chamseddine, Ali H.;Mukhanov, Viatcheslav;Russ, Tobias B.
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.
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DOI:
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影响因子:
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