We show that fragmentation of the inflaton into long-lived spatially localized oscillon configurations can lead to copious production of black holes. In a single-field inflation model primordial black holes of sublunar mass can form, and they can account for all of the dark matter. We also explore the possibility that solar-mass primordial black holes, particularly relevant for gravitational wave astronomy, are produced from the same mechanism.

Primordial black holes can form from inflaton fragmentation into oscillons, potentially accounting for all dark matter and potentially producing solar-mass primordial black holes.

Paper

Primordial black holes from inflaton fragmentation into oscillons

References

Citations