Accession Number : AD0742757

Title :   Theory and Computer Simulation of Whistler Turbulence and Velocity Space Diffusion in the Magnetospheric Plasma.

Descriptive Note : Interim rept.,

Corporate Author : NAVAL RESEARCH LAB WASHINGTON D C

Personal Author(s) : Ossakow,Sidney L. ; Ott,Edward ; Haber,Irving

Report Date : APR 1972

Pagination or Media Count : 43

Abstract : The nonlinear development of unstable whistler waves and their interaction with electrons in an anisotropic, collisionless, magnetospheric-type plasma is investigated by theory and computer simulation experiments. A two component plasma is considered; a hot electron Maxwellian component with 60 degree loss cone is superimposed on a cold isotropic electron background. The linear and quasi-linear theory is developed and quasilinear theory is used to obtain equations for the temporal evolution of the parallel and perpendicular energy for the hot and cold plasma components. The computer code follows the nonrelativistic dynamics of a large number of charges in their self-consistent electromagnetic fields. Three velocity and one spatial dimension are used. The simulation automatically includes energy as well as pitch angle diffusion. (Author)

Descriptors :   (*WHISTLERS, TURBULENCE), (*MAGNETOSPHERE, MATHEMATICAL MODELS), OSCILLATION, PLASMAS(PHYSICS), MAGNETOHYDRODYNAMICS, ELECTRON DENSITY, PARTICLE TRAJECTORIES, SIMULATION

Subject Categories : Atmospheric Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE