Towards black-hole singularity-resolution in the lorentzian gravitational path integral

Johanna N. Borissova, Astrid Eichhorn*

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Abstrakt

Quantum gravity is expected to resolve the singularities of classical general relativity. Based on destructive interference of singular spacetime-configurations in the path integral, we find that higher-order curvature terms may allow to resolve black-hole singularities both in the spherically symmetric and axisymmetric case. In contrast, the Einstein action does not provide a dynamical mechanism for singularity-resolution through destructive interference of these configurations.

OriginalsprogEngelsk
Artikelnummer48
TidsskriftUniverse
Vol/bind7
Udgave nummer3
ISSN2218-1997
DOI
StatusUdgivet - 27. feb. 2021

Bibliografisk note

Funding Information:
Funding: A.E. is supported by a grant by Villum Fonden under grant number (29405) and a grant by the DFG under grant no. Ei/1037-1. J.N.B. is supported by the German Academic Scholarship Foundation.

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