Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-11-19
AIPConf.Proc.924:801-808,2007
Astronomy and Astrophysics
Astrophysics
to appear in Proceedings of The Multicoloured Landscape of Compact Objects and their Explosive Origins, Cefalu, 2006
Scientific paper
10.1063/1.2774945
The inward flow of matter through accretion disks is driven by MHD turbulence. Global general relativistic MHD simulations shed quantitative light on this process, revealing a number of aspects of accretion previously unrecognized. Among them are strong stresses in the marginally stable and plunging regions near the black hole and electromagnetically-dominated conical relativistic jets that can form spontaneously from the accretion flow. The energy release associated with both of these effects can significantly augment the classical energy-release estimates based on purely hydrodynamic models.
Hawley John F.
Krolik Julian H.
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