A Coevolution Scheme for Supermassive Black Holes and Galactic Bulges(Session 6 : Formation and Evolution of Black Holes)

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概要

• 論文の詳細を見る

• The coevolution of a supermassive black hole (SMBH) and a bulge is considered based on a novel mechanism for BH formation, where the BH growth is promoted by the mass accretion driven by radiation drag which is exerted on dusty interstellar gas in radiation fields generated by bulge stars. It turns out that the resultant mass of a SMBH is predicted to be in proportion to the bulge mass, and the mass ratio is basically determined by the nuclear energy conversion efficiency from hydrogen to helium, ε = 0.007. In the present scenario, the bulge luminosity overwhelms the BH accretion luminosity in the growing phase of SMBH. This phase corresponds to a "proto-QSO", thereafter evolving to a QSO. Also, the proto-QSO phase is preceded by an optically-thick ultraluminous infrared galaxy (ULIRG) phase.

• 2004-11-15

著者

• 梅村 雅之

  筑波大学計算科学研究センター

• Mori Masao

  Department Of Applied Biological Sciences Faculty Of Agricultural Science Nagoya University

• 梅村 雅之

  Univ. Tsukuba Ibaraki

• Umemura Masayuki

  Department Of Neuropsychopharmacology And Hospital Pharmacy Nagoya University Graduate School Of Med

• Umemura Masayuki

  Center For Computational Physics Tsukuba University

• KAWAKATU Nozomu

  Center for Computational Physics, University of Tsukuba

• Kawakatu Nozomu

  Center For Computational Physics University Of Tsukuba

• MORI Masao

  Department of Law, Senshu University

• UMEMURA Masayuki

  Department of Physics, Hokkaido University

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