Statistical Properties of Kerr BH Flywheel Model of QSOs/AGNs

Details Statistical Properties of Kerr BH Flywheel Model of QSOs/AGNs Statistical Properties of Kerr BH Flywheel Model of QSOs/AGNs

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000iaus..195..417n&link_type=abstract

Highly Energetic Physical Processes and Mechanisms for Emission from Astrophysical Plasmas, Proceedings of IAU Symposium #195, h

Statistics

Scientific paper

The aim of this work is to demonstrate the properties of the magnetospheric model around Kerr black holes, so-called the ``fly-wheel'' (rotation powered) model. The fly-wheel engine of the BH accretion disk system is applied to the statistics of QSOs/AGNs. Nitta, Takahashi, & Tomimatsu clarified the individual evolution of the Kerr black-hole fly-wheel engine, which is parameterized by black-hole mass, initial Kerr parameter, magnetic field near the horizon, and a dimensionless small parameter. We impose a statistical model for the initial mass function of an ensemble of black holes using the Press-Schechter formalism. With the help of additional assumptions, we can discuss the evolution of the luminosity function and the spatial number density (population) of QSOs/AGNs. The result explains well the decrease of very bright QSOs and decrease of population after z ~2.

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