PBH growth through accretion
Paper Title:
Accretion, emission, mass and spin evolution
Published on:
21 December 2023
Primary Category:
Cosmology and Nongalactic Astrophysics
Paper Authors:
Valerio De Luca,
Nicola Bellomo
Bullets
Key Details
PBHs can accrete matter, increasing mass/spin over time
Accretion rate depends on PBH mass and redshift
PBH binaries accrete more matter than isolated PBHs
More massive PBHs reach higher spins from accretion
Feedback effects can reduce accretion efficiency
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AI generated summary
PBH growth through accretion
Primordial black holes may accrete surrounding matter over cosmic history. This increases their mass and spin, and they emit radiation. Feedback effects can reduce accretion efficiency. The authors review accretion rate calculations and predictions for PBH mass and spin evolution.
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