Issue |
EPL
Volume 116, Number 4, November 2016
|
|
---|---|---|
Article Number | 45002 | |
Number of page(s) | 7 | |
Section | Physics of Gases, Plasmas and Electric Discharges | |
DOI | https://doi.org/10.1209/0295-5075/116/45002 | |
Published online | 03 January 2017 |
A novel mechanism of low-threshold absolute parametric decay instability of a wave beam
Ioffe Institute - 26 Polytekhnicheskaya st., 194021 St.-Petersburg, Russia
(a) a.popov@mail.ioffe.ru
(b) evgeniy.gusakov@mail.ioffe.ru
Received: 22 August 2016
Accepted: 9 December 2016
A novel mechanism capable of the excitation of low-threshold absolute parametric decay instability of a pump wave in inhomogeneous plasma is proposed and analysed both analytically and numerically.
PACS: 52.35.-g – Waves, oscillations, and instabilities in plasmas and intense beams / 52.35.Mw – Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.) / 52.35.Hr – Electromagnetic waves (e.g., electron-cyclotron, Whistler, Bernstein, upper hybrid, lower hybrid)
© EPLA, 2016
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