Turbulent acceleration of electrons in extended extragalactic radio sources

Details Turbulent acceleration of electrons in extended extragalactic radio sources Turbulent acceleration of electrons in extended extragalactic radio sources

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stia...8214300f&link_type=abstract

(Workshop on Acceleration of Particles by Shock Waves, Lindau ueber Northeim, West Germany, Oct. 7-9, 1980.) Journal of Geophysi

Physics

Geophysics

Electron Acceleration, Extragalactic Radio Sources, Magnetohydrodynamic Turbulence, Magnetohydrodynamic Waves, Spectral Energy Distribution, Stochastic Processes

Scientific paper

Theories of particle acceleration in physical conditions typical of radio sources have been presented (Pacholczyk and Scott, 1976; Lacombe, 1977; Eilek, 1979; Ferrari et al., 1979); these are based on stochastic acceleration by magnetic inhomogeneities and shocks generated by MHD instabilities in supersonic flows. The paper discusses how the interaction of particles with long wavelength perturbations can lead to efficient electron acceleration. It is shown that the counteracting effect of large wavelength modes (causing anisotropy in the electron pitch-angle distribution) and Alfven waves (which removes the anisotropy) can lead to an equilibrium state of Alfven wave production and particle acceleration.

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