arXiv
Open Access
2024
Comment on "Quantum-Mechanical Suppression of Gas Accretion by Primordial Black Holes"
James M. Cline
Abstrak
It was recently claimed (arXiv:2409.09081v1 [astro-ph.HE]) that accretion of ordinary matter on black holes of mass $(6\times 10^{14}-4\times10^{19})\,$g would be inhibited by quantum mechanical effects, namely the de Broglie wavelength of the electron being larger than the Schwarzschild radius. However the conclusion is based on considering accretion of a single atom over the age of the Universe. There is no suppression of the accretion rate per atom on such black holes.
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James M. Cline
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