Numerical Models of Weakly Radiating Black Holes

Charles Gammie

September 29, 2011

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Abstract: It is now possible to create nearly ab initio numerical models of geometrically thick, optically thin accretion onto black holes. The models constitute a numerical laboratory for studying physical processes near black holes. I will describe recent results from the numerical laboratory, including a study of pair production in the ‘jet’ and a discovery of high frequency quasi-periodic oscillations in IR light curves of a model of Sgr A*.