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astro-ph.CO2012★ 1 cited
Cosmological Evolution of Supermassive Black Holes: Mass Functions and Spins
Yan-Rong Li, Jian-Min Wang, Luis C. Ho
We derive the mass function of supermassive black holes (SMBHs) over the redshift range 0<z<2, using the latest deep luminosity and mass functions of field galaxies. Applying this…
astro-ph.CO2012★ 50 cited
Cosmological Evolution of Supermassive Black Holes. II. Evidence for Downsizing of Spin Evolution
Yan-Rong Li, Jian-Min Wang, Luis C. Ho
The spin is an important but poorly constrained parameter for describing supermassive black holes (SMBHs). Using the continuity equation of SMBH number density, we explicitly obtai…
astro-ph.CO2012★ 33 cited
Clumpy accretion onto black holes. I. Clumpy-ADAF structure and radiation
J. -M. Wang, C. Cheng, Y. -R. Li
In this paper, we investigate the dynamics of clumps embedded in and confined by the advection-dominated accretion flows (ADAF), in which collisions among the clumps are neglected.…