Wave Propagation in an Ion Beam-Plasma System

T. D. Jensen, Poul Michelsen, Jens Juul Rasmussen

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    Abstract

    The spatial evolution of a velocity- or density-modulated ion beam is calculated for stable and unstable ion beam plasma systems, using the linearized Vlasov-Poisson equations. The propagation properties are found to be strongly dependent on the form of modulation. In the case of velocity modulation, the perturbation grows initially and then shows a periodic change of amplitude along the beam, while in the case of a density modulation only an instability causes growth. The findings are in agreement with experimental results obtained by SATO et al. (1977).
    Original languageEnglish
    JournalPlasma Physics and Controlled Fusion
    Volume21
    Issue number2
    Pages (from-to)173-182
    ISSN0741-3335
    DOIs
    Publication statusPublished - 1979

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