Towards the Structure of Black Holes in Asymptotically Safe Gravity

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dc.contributor.authorAdeifeoba, Ademola
dc.date.accessioned2024-03-22T07:26:40Z
dc.date.available2024-03-22T07:26:40Z
dc.date.issued2018-07-28
dc.descriptionSupplemental Materials: https://osf.io/a6fk9/
dc.description.abstractAsymptotically safe quantum gravity suggests a resolution to the classical spacetime singularity of Schwarzschild-(A)dS black holes. In particular, this is realizable only for a vanishing microscopic value of the dimensionless cosmological constant at the asymptotically safe fixed point. To accommodate a nonzero infrared value of the cosmological constant, we consider the linearized Renormalization Group flow away from the fixed point, which is characterized by two critical exponents in the Einstein-Hilbert truncation. In this study, we show that the realization of a regular de-Sitter core places a bound on the universal gravitational critical exponents. Accordingly, our study hints at the possibility of singularity resolution in black holes, as explicit estimates of the critical exponents in the literature point towards a realization of our bound.
dc.identifier.doihttps://doi.org/10.31730/osf.io/3mwu5
dc.identifier.urihttps://africarxiv.ubuntunet.net/handle/1/1272
dc.identifier.urihttps://doi.org/10.60763/africarxiv/1223
dc.identifier.urihttps://doi.org/10.60763/africarxiv/1223
dc.identifier.urihttps://doi.org/10.60763/africarxiv/1223
dc.language.isoen
dc.subjectAsymptotic Safety
dc.subjectBlack Hole Singularity
dc.subjectQuantum Gravity
dc.subjectRenormalization Group
dc.subjectUltraviolet Fixed Point
dc.titleTowards the Structure of Black Holes in Asymptotically Safe Gravity

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