Growth of black holes and dark matter accretion

Details Growth of black holes and dark matter accretion Growth of black holes and dark matter accretion

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jphcs..54..456m&link_type=abstract

"Journal of Physics: Conference Series, Volume 54, Proceedings of "The Universe Under the Microscope - Astrophysics at High Angu

Astronomy and Astrophysics

Astrophysics

Scientific paper

We investigate the distribution of fermion dark matter in the Milky Way galaxy and find that dark matter could gravitationally condensate in a degenerate core of mass of 3 × 106Mdot o embedded in a dark matter halo of 3 × 1012Mdot o with a size of about 200 kpc. We then show that the galactic black hole of mass of about 3 × 106Mdot o might have grown from a stellar seed black hole by mainly accreting dark matter from the compact degenerate fermion core. This leads to a lower limit on the mass of the fermion dark matter of about (6 10) keV. It is then argued that the constrained dark matter could be a sterile neutrino.

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