Cosmic Conundra explained by Primordial Black Holes?

The known thermal history of the Universe is expected to shape the mass function of primordial black holes. Sébastien, Bernard Carr, Juan García-Bellido and Florian Kühnel shed a new light on a series of unexplained cosmic conundra in Ref.[1].

fPBH

This figure shows some expected mass fraction distributions of primordial black holes as dark matter and the limits imposed by various astrophysical probes.

References

  • [1] Carr B, Clesse S, Garcia-Bellido J and Kuhnel F 2019 Cosmic Conundra Explained by Thermal History and Primordial Black Holes
    Abstract: arXiv:1906.08217