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Conference Paper

Particle Acceleration in Relativistic Flows

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Kirk,  John
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Citation

Kirk, J. (2005). Particle Acceleration in Relativistic Flows. In P. Chen, E. Bloom, G. M. (SLAC), & V. P. (. University) (Eds.), Proceedings of the 22nd Texas Symposium on Relativistic Astrophysics.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-8A0C-1
Abstract
A common property shared by different astrophysical sources of TeV gamma-rays is the presence of bulk motion at relativistic speed. The intrinsic spectra of the nonthermal radiating particles in these sources also show interesting similarities. I will present recent work suggesting that two distinct acceleration mechanisms could be at work: the stochastic first-order Fermi process at shocks, together with non-stochastic acceleration in the induced electric field of a relativistic current sheet.