Primordial Black Holes as All Dark Matter

@article{Frampton2010PrimordialBH,
  title={Primordial Black Holes as All Dark Matter},
  author={P. Frampton and M. Kawasaki and F. Takahashi and T. Yanagida},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2010},
  volume={2010},
  pages={023-023}
}
We argue that a primordial black hole is a natural and unique candidate for all dark matter. We show that, in a smooth-hybrid new double inflation model, a right amount of the primordial black holes, with a sharply-defined mass, can be produced at the end of the smooth-hybrid regime, through preheating. We first consider masses < 10−7M⊙ which are allowed by all the previous constraints. We next discuss much heavier mass 105M⊙ hinted at by entropy, and galactic size evolution, arguments. Effects… Expand
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