Other
Scientific paper
Mar 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pabei..18...29w&link_type=abstract
Prog. Astron., Vol. 18, No. 1, p. 29 - 37
Other
Solar Filaments: Motions, Solar Filaments: Electric Fields
Scientific paper
The filaments, which locate above the magnetic neutral line in active regions, have the different properties of the ascending motion with the motion of the optical matter and the evolution of the magnetic structure. The ascending motion may be classified into two sorts. One rise slowly (the velocity of the order 1 km s-1). In the ascending process of the filament, subelectric fields energize the electron to the energy around 10 to 100 keV (E ≪ ED, E is the electric field inside the surface of the filament, ED is the classical Drecier field). Another rises fast (the velocity of the order around several decades to several hundreds km s-1). The neutral point is formed below the fast ascending filament. The energy is transferred from the filament circuit to the current sheet circuit. The strong electric field induced by the magnetic reconnection accelerates the electrons and the ions (E ≫ ED, E of the order 103V m-1). The maximum energy of the particles is decided by the magnetic structure of the reconnection regions.
Wu Guiping
Xu Aoao
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