Current interruption in a collisionless plasma by nonlinear electrostatic waves

Details Current interruption in a collisionless plasma by nonlinear electrostatic waves Current interruption in a collisionless plasma by nonlinear electrostatic waves

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979p%26ss...27..933m&link_type=abstract

Planetary and Space Science, vol. 27, July 1979, p. 933-937.

Physics

1

Collisionless Plasmas, Current Sheets, Electric Current, Electrostatic Waves, Magnetic Storms, Plasma Potentials, Solitary Waves, Magnetically Trapped Particles, Nonlinearity, Plasma Oscillations, Plasma-Particle Interactions

Scientific paper

The existence of current-interrupting non-linear electrostatic waves in the form of negative solitons is demonstrated. Self-consistent, non-linear electrostatic potentials are constructed assuming that a current may be interrupted by trapping current-carrying electrons in such a potential. A significant fraction of the current-carrying electrons is trapped by the potential if the electron thermal velocity is much less than the electron streaming velocity. In one class of solutions, the negative solitons, the current may be reduced to a fourth of its initial value in the limit of high ion-electron temperature ratio.

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