Toward a New Model of the Central Engine of GRB

Details Toward a New Model of the Central Engine of GRB Toward a New Model of the Central Engine of GRB

2009-02-15

arxiv.org/abs/0902.2411v2

Bulgarian Astronomical Journal, 11, pp. 13-21, 2009

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

7 pages, 1 figure, based on a talk given at the Fourth Aegean Summer School, 17-22 September 2007, Lesvos, Greece, minor chang

Scientific paper

We present new developments of the simple model of the central engine of GRB, proposed recently. The model is based on minimal assumptions: some rotating compact relativistic object at the center and stable perturbations of its rotating gravitational field, described by Teukolsky Master Equation. We show that using nonstandard polynomial solutions to the angular Teukolsky equation we can describe the formation of collimated jets of various forms. Appearance of imaginary part of the superradiance-like frequency is established for the first time for pure vacuum black hole jet solutions of Teukolsky equation.

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