PoS - Proceedings of Science
Volume 449 - The European Physical Society Conference on High Energy Physics (EPS-HEP2023) - T02 Gravitation and Cosmology
New bounds on magnetic monopoles from primordial magnetic fields
D. Perri
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Published on: March 21, 2024
Monopoles are inevitable predictions of GUT theories. They are produced during phase transitions in the early universe, but mechanisms like the Schwinger effect in strong magnetic fields could give relevant contributions to the monopole number density. I show that from the detection of intergalactic magnetic fields of primordial origin, we can infer additional bounds on the magnetic monopole flux. I also discuss the implications of these bounds for minicharged monopoles, magnetic black holes, and monopole pair production in primordial magnetic fields.
DOI: https://doi.org/10.22323/1.449.0093
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