Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jass....7..113s&link_type=abstract
Journal of Astronomy and Space Sciences, vol.7, no2, p.113-123.
Astronomy and Astrophysics
Astronomy
Scientific paper
Two dimensional electrostatic model was used to investigate the interactions between bean electron and neutral plasma. It was found that results heavily depend on the beam density. When the beam electron density is lower than the ambient plasma beam density, many beam electrons exhibit vortex structure through beam-plasma interactions and can propagate into the ambient plasma easily from the injection area. On the other hand, when the beam density larger than that of the neutral ambient plasma, it was found that most of the beam electrons constitute return current and ion with much larger mass than that of the electron can be accelerated according to the magnetic field strength. Furthermore, as external field strength varies, it was found that propagation and interaction of the beam can show large dependence on it.
Min Kyoung Wook
Seon Jong Ho
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