Electromagnetic field cascading in the beat-wave generation of plasma waves

In the present development of a general analytical solution for the temporal or spatial evolution of elecromagnetic cascading, relative to the beat-wave generation of intense plasma waves, the amplitude of the nonlinear beat plasmon may be solved separately; after this, the solution of the entire el...

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Bibliographic Details
Published in:Physical review letters 1986-02, Vol.56 (6), p.604-607
Main Authors: KARTTUNEN, S. J, SALOMAA, R. R. E
Format: Article
Language:English
Subjects:
Exact sciences and technology
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Waves, oscillations, and instabilities in plasmas and intense beams
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Summary:In the present development of a general analytical solution for the temporal or spatial evolution of elecromagnetic cascading, relative to the beat-wave generation of intense plasma waves, the amplitude of the nonlinear beat plasmon may be solved separately; after this, the solution of the entire electromagnetic cascade can be constructed in terms of Bessel functions. In long plasmas, the electromagnetic cascading has time in which to develop during the pulse propagation, spreading the pump energy over a wide spectrum. This may suppress such other instabilities as stimulated scattering processes. (O.C.)
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.56.604