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Quantum Gravitational Corrections to a Star Metric and the Black Hole Limit

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arxiv 1909.13277 v1 pith:TWTFAN3T submitted 2019-09-29 hep-th

Quantum Gravitational Corrections to a Star Metric and the Black Hole Limit

classification hep-th
keywords correctionsblackstarholequantumcurvaturegravitationallimit
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In this paper we consider the full set of quantum gravitational corrections to a star metric to second order in curvature. As we use an effective field theoretical approach, these corrections apply to any model of quantum gravity that is based on general coordinate invariance. We then discuss the black hole limit and identify an interesting phenomenon which could shed some light on the nature of astrophysical black holes: while star metrics receive corrections at second order in curvature, vacuum solutions such as black hole metrics do not. What happens to these corrections when a star collapses?

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Cited by 1 Pith paper

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  1. Shadow signatures and energy accumulation in Lorentzian-Euclidean black holes

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    Lorentzian-Euclidean black holes produce excess inner-shadow intensity and accumulate energy at the horizon with backreaction unlike stable light rings.