The Maximal-Density Mass Function for Primordial Black Hole Dark Matter.

@article{Lehmann2018TheMM,
  title={The Maximal-Density Mass Function for Primordial Black Hole Dark Matter.},
  author={Benjamin V Lehmann and Stefano Profumo and Jackson Yant},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2018}
}
The advent of gravitational wave astronomy has rekindled interest in primordial black holes (PBH) as a dark matter candidate. As there are many different observational probes of the PBH density across different masses, constraints on PBH models are dependent on the functional form of the PBH mass function. This complicates general statements about the mass functions allowed by current data, and, in particular, about the maximum total density of PBH. Numerical studies suggest that some forms of… 
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