PoS - Proceedings of Science
Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T01: Astroparticle and Gravitational Waves
Hawking radiation of non-standard black holes
A. Arbey*, J. Auffinger, M. Geiller, E. Livine and F. Sartini
Full text: Not available
Black Holes of primordial origin (PBHs) can constitute a large fraction of dark matter (DM) in the Universe. If light enough, they can emit a sizeable amount of Hawking radiation, which may be detected by dark matter experiments and be used to set constraints on the fraction of PBHs as DM components. Lately, these constraints have been extended to spinning PBHs, and it is very important to extend such analyses to other black hole metrics, in particular in the perspective of a signal detection. Recent works on black holes modification by quantum gravity effects have resulted in metrics that are regular at the black hole center, solving the singularity problem. We will present a generalization of the existing formalism to the generic class of spherically symmetric and static black holes, determining the short-range potentials for the equations of motion for these metrics. Using the public code BlackHawk, we will show how the Hawking radiation is modified for such black holes, and we will in particular focus on the case of polymerized black holes, which are black hole solutions arising from loop quantum gravity.
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