Waves in Plasmas
Any periodic motion of a fluid can be decomposed by Fourier analysis into a superposition of sinusoidal oscillations with different frequencies ω and wavelengths λ. A simple wave is any one of these components. When the oscillation amplitude is small, the waveform is generally sinusoidal; and there is only one component. This is the situation we shall consider.
KeywordsDispersion Relation Phase Velocity Group Velocity Plasma Density Plasma Wave
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