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Astrophysics > High Energy Astrophysical Phenomena

arXiv:2108.08717 (astro-ph)
[Submitted on 19 Aug 2021 (v1), last revised 11 Jan 2022 (this version, v2)]

Title:Can Primordial Black Holes as all Dark Matter explain Fast Radio Bursts?

Authors:Kimmo Kainulainen, Sami Nurmi, Enrico D. Schiappacasse, Tsutomu T. Yanagida
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Abstract:Primordial black holes (PBHs) are one of the most interesting nonparticle dark matter (DM) candidates. They may explain all the DM content in the Universe in the mass regime from about $10^{-14}M_{\odot}$ to $10^{-11}M_{\odot}$. We study PBHs as the source of fast radio bursts (FRBs) via magnetic reconnection in the event of collisions between them and neutron stars (NSs) in galaxies. We investigate the energy loss of PBHs during PBH-NS encounters to model their capture by NSs. To an order-of-magnitude estimation, we conclude that the parameter space of PBHs being all DM is accidentally consistent with that to produce FRBs with a rate which is the order of the observed FRB rate.
Comments: 6 pages, 3 figures. V2: Updated towards version published in Physical Review D
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:2108.08717 [astro-ph.HE]
  (or arXiv:2108.08717v2 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.2108.08717
Journal reference: Phys. Rev. D 104, 123033 (2021)
Related DOI: https://doi.org/10.1103/PhysRevD.104.123033

Submission history

From: Enrico Schiappacasse [view email]
[v1] Thu, 19 Aug 2021 14:36:40 UTC (183 KB)
[v2] Tue, 11 Jan 2022 18:36:31 UTC (183 KB)
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