Inflationary Primordial Black Holes as All Dark Matter
Abstract
Following a new microlensing constraint on primordial black holes (PBHs) with 1020--1028\,g~[1], we revisit the idea of PBH as all Dark Matter (DM). We have shown that the updated observational constraints suggest the viable mass function for PBHs as all DM to have a peak at 1020\,g with a small width σ 0.1, by imposing observational constraints on an extended mass function in a proper way. We have also provided an inflation model that successfully generates PBHs as all DM fulfilling this requirement.
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