The Influence of Ion-Acoustic Turbulence on the Electron Acceleration in the Reconnecting Current Sheet

Details The Influence of Ion-Acoustic Turbulence on the Electron Acceleration in the Reconnecting Current Sheet The Influence of Ion-Acoustic Turbulence on the Electron Acceleration in the Reconnecting Current Sheet

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005chjaa...5...99w&link_type=abstract

Chinese Journal of Astronomy and Astrophysics, Volume 5, Issue 1, pp. 99-109 (2005).

Astronomy and Astrophysics

Astrophysics

8

Scientific paper

Through solving the single electron equation of motion and the Fokker-Planck equation including the terms of electric field strength and ion-acoustic turbulence, we study the influence of the ion-acoustic wave on the electron acceleration in turbulent reconnecting current sheets. It is shown that the ion-acoustic turbulence which causes plasma heating rather than particle acceleration should be considered. With typical parameter values, the acceleration time scale is around the order of 10-6 s, the accelerated electrons may have approximately a power-law distribution in the energy range 20~100 keV and the spectral index is about 3~10, which is basically consistent with the observed hard X-ray spectra in solar flares.

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