EPJ Web Conf.
Volume 157, 201722 Topical Conference on Radio-Frequency Power in Plasmas
|Number of page(s)||4|
|Published online||23 October 2017|
Anomalous backscattering and absorption in second harmonic ECRH experiments due to low-threshold two UH plasmon decay instability in blobs
Ioffe Institute, 194021 St-Petersburg, Russia
* Corresponding author: email@example.com
Published online: 23 October 2017
An universal mechanism responsible for excitation of the low-threshold two upper-hybrid (UH) plasmon absolute parametric decay instability of a pump extraordinary microwave is proposed and analysed in detail. A corner-stone of it is the 2D localization of the daughter UH waves in an intensive magnetic field aligned blob/filament and the presence of a finite-width mm-wave pump beam
© The authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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