Primordial Rotating Black Holes
J.A. de Freitas Pacheco, Joseph Silk
TL;DR
This paper explores the potential of primordial rotating black holes formed during early universe epochs as a novel dark matter source, considering Planck-scale relics and asteroid-scale black holes through known physics and quantum gravity insights.
Contribution
It introduces new scenarios for primordial black hole formation involving quantum gravity effects and early universe accretion processes.
Findings
Planck-scale relics could survive from the early universe
Asteroid-scale primordial black holes may form via accretion
Potential contribution to dark matter from these black holes
Abstract
Primordial black holes formed in an early post-inflation matter-dominated epoch during preheating provide a novel pathway for a source of the dark matter that utilizes known physics in combination with plausible speculations about the role of quantum gravity. Two cases are considered here: survival of Planck-scale relics and an early universe accretion scenario for formation of primordial black holes of asteroid-scale masses.
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Taxonomy
TopicsCosmology and Gravitation Theories · Geophysics and Gravity Measurements · Solar and Space Plasma Dynamics