Primordial black hole: Mass and angular momentum evolution

G.S. Bisnovatyi-Kogan1 and O.Yu. Tsupko2


The evolution of a primordial low-mass black hole (PBH) in a hot universe is considered. The PBH mass increase spin decrease due to accretion of radiation-dominated matter are estimated using the results of a numerical simulation of PBH formation and approximate relations for accretion to a rotating black hole.


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