PHY 810
Phenomena in Natural Plasma
3
Course Description
Basic concept and common phenomena: Debye shielding; dielectric constant; charge and current densities; conservation laws; dispersion relations in a magneto-plasma.
Course Outline
Basic concept and common phenomena: Debye shielding; dielectric constant; charge and current densities; conservation laws; dispersion relations in a magneto-plasma; Equations of continuity; diffusion; Equations of motion and transport of ionisation; adiabatic invariants; Collision; ionization and conductivity; Instabilities in plasma and waves in plasma; Ionosphere; the earth's ionosphere; Altitude distribution of charged particles; Collisions and conductivity; Plasma instabilities and generation of electron density irregularities such as sporadic E and spread F; Artificial modification of the ionosphere; The ionospheres of other planets; Magnetosphere: earth's radiation belts; Geomagnetic trapping of solar wind; Ionospheric and magnetic storms; Sun: reactions in the sun; Solar flux and emission of energetic particles