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Cosmic particle acceleration in astrophysical shear flows

Published online by Cambridge University Press:  01 August 2006

Frank M. Rieger  and
Peter Duffy
Frank M. Rieger
Affiliation:
UCD School of Mathematical Sciences, University College Dublin, Dublin 4, Ireland email: [email protected], [email protected]
Peter Duffy
Affiliation:
UCD School of Mathematical Sciences, University College Dublin, Dublin 4, Ireland email: [email protected], [email protected]
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Abstract

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Shear flows are ubiquitous phenomena in astrophysical environments. In the present contribution the stochastic acceleration of energetic charged particles by Fermi-type processes in relativistic shear flows is considered. We briefly summarize recent theoretical progress in the field of viscous shear acceleration and indicate its significance for particle energization in relativistic flows of AGNs and GRBs.

Keywords

acceleration of particlesgalaxies: activegamma rays: bursts
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Highlights of Astronomy 14: Highlights of Astronomy , August 2006 , pp. 103
Copyright
Copyright © International Astronomical Union 2007

References

Rieger, F. M., & Duffy, P. 2004, ApJ, 617, 155CrossRefGoogle Scholar
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Rieger, F. M., & Duffy, P. 2006, ApJ, 652, 1044CrossRefGoogle Scholar
Rieger, F. M., Bosch-Ramon, V., & Duffy, P. 2007, Ap&SS, 309, 119Google Scholar