Stochastic turbulence heating for electrons in low-speed solar wind.

Details Stochastic turbulence heating for electrons in low-speed solar wind. Stochastic turbulence heating for electrons in low-speed solar wind.

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999jbnun..35..191z&link_type=abstract

Journal of Beijing Normal University (Natural Sciences), Vol. 35, No. 2, p. 191 - 194

Computer Science

Solar Wind: Turbulence

Scientific paper

In the low-speed solar wind, at a region where ion-acoustic wave turbulence has already been excited, electrons move predominantly in one direction and thus form an electron beam which strongly excites longitudinal plasma turbulence as the velocity of the accelerated electrons is greater than their thermal velocity. A rather strong Langmuir turbulence can be excited by the electron beam. The main absorption mechanism for the Langmuir waves is the stimulated conversion of Langmuir waves into ion-acoustic waves through the nonlinear scattering by the thermal electrons. This conversion is accompanied by a fast heating of the electrons as almost all the energy of a longitudinal plasmon is transferred to the scattering electrons and creates an electron temperature greater than that of the protons.

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