Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003heba.conf..133p&link_type=abstract
High Energy Blazar Astronomy, ASP Conference Proceedings, Vol. 299, held 17-21 June 2002 at Tuorla Observatory, Piikkio, Finland
Astronomy and Astrophysics
Astronomy
Scientific paper
Model calculations suggest that the interactions of the relativistic jets with the ambient medium of the host galaxies play a decisive rôle for the acceleration of high energy particles in Active Galactic Nuclei (AGN) and thus for the production of non-thermal emission. Nevertheless, the micro-physics of these interactions is not well understood. I use kinetic theory to self-consistently model the interaction of a relativistically moving, dense plasma cloud in the jet with ambient matter. Interstellar particles that enter the plasma cloud trigger a relativistic two-stream instability, by which these particles are isotropized in the jet frame, thus providing relativistic particles. I calculate the radiation products of these particles and find remarkable agreement with existing multiwavelength data of blazars.
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