Waves and microinstabilities in plasmas-linear effects

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Abstract
The review is concerned with wave propagation in plasmas where collisions may be neglected. The relevant kinetic theory is described by the Vlasov equation. Waves in the absence of a magnetic field are reviewed including Landau damping of electron waves and ion acoustic waves. The complications due to purely ballistic effects are described and the latter case includes the study of mixtures of ions. Thermal motion has little effect on electromagnetic waves with the exception of the anomalous skin effect. Beam-plasma interactions are reviewed and general concepts of stability are discussed. The conversion of wave energy from one kind of wave and linear coupling mechanisms are described. The importance of resonance cones is also noted.

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