Volume 109, Number 6, March 2015
|Number of page(s)||6|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||20 March 2015|
Feedback control of collapse-induced turbulent condensation of Langmuir waves
1 Institute for Fusion Theory and Simulation and Department of Physics, Zhejiang University Hangzhou 310027, China
2 Institut für Theoretische Physik I, Ruhr-Universität Bochum - D-44780 Bochum, Germany
3 School of Mathematics and Statistics Science, Ludong University - Yantai 264025, China
4 State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, School of Materials Science and Engineering, Zhejiang University - Hangzhou 310027, China
Received: 25 January 2015
Accepted: 3 March 2015
Feedback control of collapse-induced turbulent condensation in a dissipative open Langmuir wave system governed by a two-dimensional generalized nonlinear Schrödinger equation is investigated numerically by following the evolution of an initial disturbance. It is found that with self-regulated feedback control the wavelength of the asymptotic turbulent condensate can, to a certain degree, be controlled.
PACS: 52.35.Ra – Plasma turbulence / 52.35.Mw – Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.) / 47.27.Cn – Transition to turbulence
© EPLA, 2015
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