Axial structure of plasma column sustained by non-symmetric electromagnetic surface wave

This article presents the results of theoretical study of the axial structure of gas discharge that is sustained by a non‐symmetric electromagnetic surface wave (SW) with azimuth wavenumber m = –2. The phase and attenuation characteristics of the wave, and the spatial wave field structure were studi...

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Bibliographic Details
Published in:Contributions to plasma physics (1988) 2003-05, Vol.43 (2), p.62-72
Main Authors: Olefir, V.P., Azarenkov, N.A., Sporov, A.E.
Format: Article
Language:English
Subjects:
Exact sciences and technology
magnetized plasma
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma column
plasma densities
Plasma properties
surface waves
Waves, oscillations, and instabilities in plasmas and intense beams
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Summary:This article presents the results of theoretical study of the axial structure of gas discharge that is sustained by a non‐symmetric electromagnetic surface wave (SW) with azimuth wavenumber m = –2. The phase and attenuation characteristics of the wave, and the spatial wave field structure were studied as well. The wave considered propagates along the magnetized slightly nonuniform in axial direction plasma column and sustains it. The influence of external magnetic field value and finite plasma column radius on the discharge stability, on the plasma density axial profile and on the SW properties has been studied in the case of the diffusion regime of gas discharge sustaining.
ISSN:0863-1042
1521-3986
DOI:10.1002/ctpp.200310007