THIN ELECTRON-BEAM PROPAGATION IN PLASMAS

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The propagation of dense electron beams and the interaction with the ambient plasmas are studied by using two-dimensional electrostatic simulations. When the width of the beam is of the order of electron gyro-radius, the beam electrons move across the magnetic field lines and the beam-plasma interaction becomes prominent with the reduced beam density. When the width of the beam is of the order of ion gyro-radius, the propagation of beam electrons is possible only with the formation of the ion channel. However, since the time scale of the ionic motion is much longer than that of the electronic motion, most of the beam electrons return back to the original beam injection region
Publisher
KLUWER ACADEMIC PUBL
Issue Date
1993-05
Language
English
Article Type
Article
Citation

ASTROPHYSICS AND SPACE SCIENCE, v.203, no.2, pp.181 - 187

ISSN
0004-640X
URI
http://hdl.handle.net/10203/58029
Appears in Collection
PH-Journal Papers(저널논문)
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