| Issue |
EPJ Web Conf.
Volume 157, 2017
22 Topical Conference on Radio-Frequency Power in Plasmas
|
|
|---|---|---|
| Article Number | 03019 | |
| Number of page(s) | 4 | |
| Section | Standard Papers | |
| DOI | https://doi.org/10.1051/epjconf/201715703019 | |
| Published online | 23 October 2017 | |
https://doi.org/10.1051/epjconf/201715703019
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: evgeniy.gusakov@mail.ioffe.ru
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
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