Efficiency of internal shocks in magnetized relativistic jets

Details Efficiency of internal shocks in magnetized relativistic jets Efficiency of internal shocks in magnetized relativistic jets

2011-11-14

arxiv.org/abs/1111.3170v2

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

4 pages, 2 figures, proceedings of the meeting "HEPRO III: High Energy Phenomena in Relativistic Outflows" (Barcelona, June 20

Scientific paper

We study the dynamic and radiative efficiency of conversion of kinetic-to-thermal/magnetic energy by internal shocks in relativistic magnetized outflows. A parameter study of a large number of collisions of cylindrical shells is performed. We explore how, while keeping the total flow luminosity constant, the variable fluid magnetization influences the efficiency and find that the interaction of shells in a mildly magnetized jet yields higher dynamic, but lower radiative efficiency than in a non-magnetized flow. A multi-wavelength radiative signature of different shell magnetization is computed assuming that relativistic particles are accelerated at internal shocks.

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