Volume 116, Number 4, November 2016
|Number of page(s)||7|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|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
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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