New Global 3D MHD Simulations of Black Hole Disk Accretion and Outflows

Details New Global 3D MHD Simulations of Black Hole Disk Accretion and Outflows New Global 3D MHD Simulations of Black Hole Disk Accretion and Outflows

2009-02-03

arxiv.org/abs/0902.0414v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

2 pages, including 1 colour figure. To appear in proceedings of IAU Symposium 259: "Cosmic Magnetic Fields: From Planets, To S

Scientific paper

10.1017/S1743921309030312

It is widely accepted that quasars and other active galactic nuclei (AGN) are powered by accretion of matter onto a central supermassive black hole. While numerical simulations have demonstrated the importance of magnetic fields in generating the turbulence believed necessary for accretion, so far they have not produced the high mass accretion rates required to explain the most powerful sources. We describe new global 3D simulations we are developing to assess the importance of radiation and non-ideal MHD in generating magnetized outflows that can enhance the overall rates of angular momentum transport and mass accretion.

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