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Quantum corrected Einstein-Yang-Mills black holes in semiclassical gravity

Ben Kain
(
- Holy Cross Coll.
)

Feb 11, 2025

15 pages

Published in:

Phys.Rev.D 111 (2025) 4, 044033

Published: Feb 11, 2025

e-Print:

2502.08278 [gr-qc]

DOI:

10.1103/PhysRevD.111.044033 (publication)

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Abstract: (APS)

We study Einstein-Yang-Mills (EYM) black holes in semiclassical gravity by including in the field equations the expectation value of a renormalized energy-momentum tensor in the Polyakov approximation. We solve the field equations and the equations of motion self-consistently. This framework has previously been used to study vacuum solutions, i.e., quantum corrected Schwarzschild black holes. In our system, which contains black hole hair, we find quantum corrected solutions in which the classical horizon disappears and is replaced by a wormhole structure, similarly to what is found in vacuum. We also find quantum corrected solutions in which the classical horizon disappears, but there is no wormhole structure. Our results indicate that the inclusion of black hole hair in semiclassical gravity still leads to the disappearance of classical horizons for nonextremal black holes in static spherically symmetric systems.

Note:

14 pages, 11 figures

References(29)

Figures(11)

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