A Gravitational Instability-Driven Viscosity in Self-Gravitating Accretion Disks

Details A Gravitational Instability-Driven Viscosity in Self-Gravitating Accretion Disks A Gravitational Instability-Driven Viscosity in Self-Gravitating Accretion Disks

2006-07-27

arxiv.org/abs/astro-ph/0607610v2

Astrophys.J.653:L89-L92,2006

Astronomy and Astrophysics

Astrophysics

14 pages, 1 figure, ApJ Letters (in press)

Scientific paper

10.1086/510526

We derive a viscosity from gravitational instability in self-gravitating
accretion disks, which has the required properties to account for the observed
fast formation of the first super-massive black holes in highly redshifted
quasars and for the cosmological evolution of the black hole-mass distribution.

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