Theory and computer simulation of electron beam-plasma interactions in unbounded systems

S. Cuperman, I. Roth, W. Bernstein

Research output: Contribution to journalArticlepeer-review

Abstract

Computer simulation experiments of linear and nonlinear collisionless interactions between electron beams and background plasmas, for conditions relevant to active magnetospheric experiments, were carried out. Both electrostatic and electromagnetic interactions were simultaneously considered. The beam-plasma systems were infinite and homogeneous. The relative beam concentrations considered were e = nb/np = 1,0-1 and 0-01. In all cases, the background plasma (1 eV thermal energy) was penetrated by an electron beam of 1 keV streaming energy and 5 % thermal spread in the streaming direction. The paper presents a full description of the results and a brief discussion of their relevance to magnetospheric active experiments. The off-angle propagation case in unmagnetized plasmas is also briefly discussed.

Original languageEnglish
Pages (from-to)309-324
Number of pages16
JournalJournal of Plasma Physics
Volume15
Issue number2
DOIs
StatePublished - Mar 1976

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