Instabilities in non-thermal plasmas

Lead Research Organisation: University of St Andrews
Department Name: Mathematics and Statistics

Abstract

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Publications

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Bingham R (2013) Laboratory astrophysics: Investigation of planetary and astrophysical maser emission in Space Science Reviews

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BINGHAM R (2010) Lower-hybrid waves generated by anomalous Doppler resonance in auroral plasmas in Journal of Plasma Physics

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Cairns R (2010) Calculation of a wave field from ray tracing in Nuclear Fusion

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Cairns R (2011) Cyclotron maser radiation from inhomogeneous plasmas in Physics of Plasmas

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Humphrey K (2013) Effect of collisions on amplification of laser beams by Brillouin scattering in plasmas in Physics of Plasmas

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King M (2014) Progress towards numerical and experimental simulations of fusion relevant beam instabilities in Journal of Physics: Conference Series

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McConville S (2014) Scaled Experiment to Investigate Auroral Kilometric Radiation Mechanisms in the Presence of Background Electrons in Journal of Physics: Conference Series

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Ronald K (2011) Auroral magnetospheric cyclotron emission processes: numerical and experimental simulations in Plasma Physics and Controlled Fusion

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Ronald K (2010) A laboratory study of mechanisms for auroral kilometric radiation generation

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Speirs D (2014) Numerical simulation of unconstrained cyclotron resonant maser emission in Journal of Physics: Conference Series

 
Description The project has looked at a variety of plasma instabilities driven by electron beams, providing theoretical support to experimental work carried out at the University of Strathclyde. Following on from earlier work on a cyclotron maser instability relevant to auroral kilometric radiation (AKR) we have investigated the effect of a background plasma on the original instability and possible competition with the two-stream instability. More detailed work on the instability has provided explanations for some of the details of AKR. We have also carried out some work on the anomalous Doppler instability, looking at the possibility of generating it using the Strathclyde apparatus.