Regular Article - Theoretical Physics
Quantum corrections to Schwarzschild black hole
Department of Physics and Astronomy, University of Sussex, Falmer, Brighton, BN1 9QH, UK
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Accepted: 1 April 2017
Published online: 17 April 2017
Using effective field theory techniques, we compute quantum corrections to spherically symmetric solutions of Einstein’s gravity and focus in particular on the Schwarzschild black hole. Quantum modifications are covariantly encoded in a non-local effective action. We work to quadratic order in curvatures simultaneously taking local and non-local corrections into account. Looking for solutions perturbatively close to that of classical general relativity, we find that an eternal Schwarzschild black hole remains a solution and receives no quantum corrections up to this order in the curvature expansion. In contrast, the field of a massive star receives corrections which are fully determined by the effective field theory.
© The Author(s), 2017