Generation of shocked hot regions in black hole magnetosphere

Details Generation of shocked hot regions in black hole magnetosphere Generation of shocked hot regions in black hole magnetosphere

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007iaus..238..367f&link_type=abstract

Black Holes from Stars to Galaxies -- Across the Range of Masses. Edited by V. Karas and G. Matt. Proceedings of IAU Symposium #

Physics

Scientific paper

We study magnetohydrodynamic (MHD) standing shocks in ingoing plasmas in a black hole (BH) magnetosphere. Fast and intermediate shock formation is explored in Kerr geometry. We find that low or mid latitude (non-equatorial) standing MHD shocks are both physically possible, creating a very hot plasma region close to the event horizon. Shocked downstream plasmas can be strongly heated or magnetized depending on model parameters. We also investigate the effects of the poloidal magnetic field and the black hole spin on the properties of shocks and show that both effects can quantitatively affect the MHD shock solutions. MHD shock formation can be a plausible mechanism for creating high energy radiation region above an accretion disk in AGN.

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