The quasi-linear relaxation of thick-target electron beams in solar flares.
Abstract
The effects of quasi-linear interactions on thick-target electron beams in the solar corona are investigated. Coulomb collisions produce regions of positive gradient in electron distributions. In the corona, the timescale for this quasi-linear relaxation is very short compared to the collision time. It is therefore possible to model the effects of quasi-linear relaxation by replacing any region of positive slope in the distribution by a plateau at each time step, in such a way as to conserve particle number. The X-ray bremsstrahlung and collisional heating rate produced by a relaxed beam are evaluated.
- Publication:
-
NASA Conference Publication
- Pub Date:
- 1986
- Bibcode:
- 1986NASCP2449..373M
- Keywords:
-
- Relaxation:Solar Corona;
- Solar Corona:Relaxation;
- Solar Flares:Electrons;
- Coulomb Collisions;
- Electron Beams;
- Relaxation Method (Mathematics);
- Solar Corona;
- Solar Flares;
- Solar Radio Bursts;
- Solar X-Rays;
- Bremsstrahlung;
- Electron Distribution;
- Energy Transfer;
- Linear Equations;
- Momentum Transfer;
- Solar Physics