2020/12/31 by V. Karas, Vladimir Karas, Ondřej Kopáček +1
Physics and Astronomy · #Astrophysical Phenomena and Observations #Astrophysics and Cosmic Phenomena #Black hole (networking) #Charged particle #Classical mechanics #Ion #Jet (fluid) #Magnetic field #Magnetosphere #Mechanics #Physics #Pulsars and Gravitational Waves Research #Rotational symmetry #astro-ph.HE
paper · pdf · doi:10.1002/asna.202113934
published as Astronomische Nachrichten, Volume 342, Issue 1-2, pp. 357-363 (2021) · 7 pages, 3 figures; to appear in Proceedings of IWARA2020 - 9th International Workshop on Astronomy and Relativistic Astrophysics (on-line, 6-12 of September 2020), https://indico.cern.ch/event/822124/contributions/3970054/
arxiv created 2020/12/31 · openalex publication_date 2021/01/01 · openalex created_date 2021/01/05 · arxiv updated 2021/03/23 · openalex updated_date 2026/08/05
Abstract We study the effects of large‐scale magnetic fields on the dynamics of charged particles near a rotating black hole. We consider a scenario in which the initially neutral particles on geodesic orbits in the equatorial plane become ionized, and hence they are destabilized by the charging process. Fraction of charged particles are then accelerated out of the equatorial plane and then follow jet‐like trajectories with relativistic velocities. We explore nonaxisymmetric systems in which the magnetic field is inclined with respect to the black hole spin. We study the system numerically in order to locate the zones of escaping trajectories and compute the terminal escape velocity. By breaking the axial symmetry, we notice increasing fraction of unbound orbits which allow for acceleration to ultrarelativistic velocities.