Spatial instability of a plane wave during nonlocal heating of a magnetoactive plasma
Abstract
The instability of a self-focusing high-frequency plane wave propagating in a homogeneous, highly magnetized plasma is studied for conditions when thermal conductivity and diffusion of the plasma along a magnetic-field line of force are significant. In a diffusion approximation, expressions are obtained for instability increments and increases in the dimensions of filaments produced. It is shown that during nonlocal anisotropic heating the region of stability is considerably less than if the heating were isotropic. Estimates of instability parameters for the ionospheric F2 layer are made.
- Publication:
-
Radiofizika
- Pub Date:
- 1976
- Bibcode:
- 1976RaF....19..329A
- Keywords:
-
- F 2 Region;
- Magnetohydrodynamic Stability;
- Plane Waves;
- Plasma Heating;
- Anisotropic Media;
- Ionospheric Propagation;
- Plasma Diffusion;
- Self Focusing;
- Thermal Conductivity;
- Geophysics