Dynamics of particles in slowly rotating black holes with dipolar halos

Details Dynamics of particles in slowly rotating black holes with dipolar halos Dynamics of particles in slowly rotating black holes with dipolar halos

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..248..498h&link_type=abstract

A Giant Step: from Milli- to Micro-arcsecond Astrometry, Proceedings of the International Astronomical Union, IAU Symposium, Vol

Physics

Galaxy: Kinematics And Dynamics, Black Hole Physics, Galaxies: Halos

Scientific paper

In general, the model of galaxy assumes a central huge black hole surrounded by a massive halo, disk or ring. In this paper, we investigate the gravitational field structure of a slowly rotating black hole with a dipolar halo, and the dynamics and chaos of test particles moving in it. Using Poincaré sections and fast Lyapunov indicator (FLI) in general relativity, we investigate chaos under different dynamical parameters, and find that the FLI is suitable for detecting chaos and even resonant orbits.

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