Primordial Black holes and Modification of Zeldovich-Novikov Mechanism

Abstract

Bulk of various astronomical observations of black holes suggest that virtually all observed black holes can be of primordial origin. A modified mechanism of the primordial black hole formation is described. A universal log-normal mass spectrum with a mean mass of around $\sim 10M_{\odot }$ predicted by this mechanism is strongly confirmed by the LIGO/Virgo observations of gravitational waves from coalescing binary black holes.

10 pages,2 figures, plenary talk at the Fourth Zeldovich meeting, Belarus, Minsk, September 7-11, 2020