On Modeling Of Charged Structures Encircling Black Holes

Details On Modeling Of Charged Structures Encircling Black Holes On Modeling Of Charged Structures Encircling Black Holes

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.0803k&link_type=abstract

American Astronomical Society, HEAD meeting #12, #8.03

Astronomy and Astrophysics

Astronomy

Scientific paper

Results of our recent studies suggest a possibility of existence of halo (off-equatorial) clouds consisting of non-interacting charged test particles encircling compact objects (black holes, neutron stars) surrounded by magnetic fields. Here we upgrade the basic model of such diluted toroidal structures by adding internal properties of the matter like density and pressure, so that we have more feasible description for the real charged matter. We realize it by using the magnetohydrodynamic approach. Namely, we built a model of dielectric (zero conductivity) charged torus moving in strong gravitational and electromagnetic fields in the vicinity of black holes. This approach represents just the opposite one to that of widely used ideal magnetohydrodynamics, where the infinite conductivity is taken into account. However, the zero (or negligible) conductivity seems to be one of the assumptions for the existence of charged tori circling in strong gravitational and electromagnetic fields of compact objects.

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