Cosmic particle acceleration in astrophysical shear flows
Abstract
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.
- Publication:
-
Highlights of Astronomy
- Pub Date:
- August 2007
- DOI:
- 10.1017/S1743921307010034
- Bibcode:
- 2007HiA....14..103R
- Keywords:
-
- acceleration of particles;
- galaxies: active;
- gamma rays: bursts