http://arxiv.org/abs/1802.05678
In order to avoid unacceptable $\mu$-distortions inconsistent with observational data on the Cosmic Microwave Background, Primordial Black Holes (PBHs) must be less massive than $10^{12} M_{\odot}$, quite closely above the highest black hole mass yet observed. This comparableness leads us to posit that all supermassive black holes originate as PBHs.
P. Frampton
Fri, 16 Feb 18
26/42
Comments: 5 pages LaTeX
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