Modulational instability of langmuir wavepackets in collisional plasmas

J. B. Cook, I. S. Elkamash, I. Kourakis

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The conditions for modulational instability of Lagmuir wavepackets propagating in collisional plasmas are investigated, by adopting a phenomenological model where the electrostatic potential φ is modelled by a phenomenological nonlinear Klein-Gordon-type equation, involving ad hoc terms in account of intrinsic plasma nonlinearity and collisionality. A reduction to a nonlinear Schrodinger type equation is carried out. Explicit criteria for modulational instability are obtained. The role of collisionality is discussed, in comparison with the conservative case.

Original languageBritish English
Title of host publication44th EPS Conference on Plasma Physics, EPS 2017
EditorsA. Bret, M. Fajardo, E. Westerhof, A. Melzer, B. Dromey, C. Riconda
StatePublished - 2017
Event44th European Physical Society Conference on Plasma Physics, EPS 2017 - Belfast, United Kingdom
Duration: 26 Jun 201730 Jun 2017

Publication series

Name44th EPS Conference on Plasma Physics, EPS 2017

Conference

Conference44th European Physical Society Conference on Plasma Physics, EPS 2017
Country/TerritoryUnited Kingdom
CityBelfast
Period26/06/1730/06/17

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