Fermi Acceleration and Particle Pitch Angle Scattering
Abstract
We suggest that sharp velocity gradients will exist in fluid-like turbulence in nearly collisionless plasma. This implies effective quenching of Fermi acceleration of thermal particles, but the Fermi acceleration coefficient for relativistic particles remains essentially unchanged.
- Publication:
-
Astrophysics and Space Science
- Pub Date:
- February 1978
- DOI:
- 10.1007/BF00645030
- Bibcode:
- 1978Ap&SS..53..421S
- Keywords:
-
- Extragalactic Radio Sources;
- Flow Velocity;
- Particle Acceleration;
- Pitch (Inclination);
- Relativistic Particles;
- Wave Scattering;
- Collisionless Plasmas;
- Magnetohydrodynamic Waves;
- Particle Trajectories;
- Thermal Plasmas;
- Turbulent Flow;
- Space Radiation