Primordial Black Holes with QCD Color Charge
High Energy Physics - Phenomenology
2024-06-11 v2 Cosmology and Nongalactic Astrophysics
General Relativity and Quantum Cosmology
High Energy Physics - Theory
Abstract
We describe a realistic mechanism whereby black holes with significant QCD color charge could have formed during the early universe. Primordial black holes (PBHs) could make up a significant fraction of the dark matter if they formed well before the QCD confinement transition. Such PBHs would form by absorbing unconfined quarks and gluons, and hence could acquire a net color charge. We estimate the number of PBHs per Hubble volume with near-extremal color charge for various scenarios, and discuss possible phenomenological implications.
Cite
@article{arxiv.2310.16877,
title = {Primordial Black Holes with QCD Color Charge},
author = {Elba Alonso-Monsalve and David I. Kaiser},
journal= {arXiv preprint arXiv:2310.16877},
year = {2024}
}
Comments
9 pages, 1 figure, plus Supplemental Material section. Minor edits to match published version, forthcoming in Physical Review Letters