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Non-perturbative quantum gravity denounces singular Black Holes
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Although General Relativity predicts the presence of a singularity inside of a Black Hole, it is not a complete theory of gravity. A real structure of a Black Hole interior near an expected singularity depends on the UV completion of gravity. In this paper, we establish that the question whether singular spherically symmetric solutions are absent is governed by the functional form of a non-perturbative graviton propagator. We explicitly show in a framework of a ghost-free infinite derivative gravity that for the graviton propagator of an exponential form favored by the unitarity a singularity is not possible unless an unphysical situation when the total mass of the Black Hole is infinite is considered.
Forward citations
Cited by 4 Pith papers
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Regular, asymptotically AdS black holes are shown to exist in pure quasi-topological gravity, and their thermodynamics, quasinormal modes, Wilson loops, and a Type IIB field redefinition map are worked out.
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Quasi-normal modes in non-perturbative quantum gravity
Complex radial-dependent masses motivated by background-induced states shift Schwarzschild black-hole quasinormal-mode frequencies and can produce unstable modes in an ad hoc toy model.
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Towards a Non-singular Paradigm of Black Hole Physics
This is a review built around a week-long workshop, synthesizing the state and open problems of regular black holes and black hole mimickers as alternatives to singular black holes.
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