Plasma Wave Dispersion Relations
Mathematical equations relating wave frequency ω to wavevector k for electromagnetic and electrostatic waves propagating through magnetized plasmas.
Governing formula
CMA Diagram (Clemmow-Mullaly-Allis Wave Mode Classification)
SI unit
ω vs k (Dispersion Relation Curve)
In depth
Magnetized plasmas support a rich variety of wave modes: O-mode, X-mode, R-wave (whistler), L-wave, Alfvén waves, and hybrid resonances. Classified visually using the CMA diagram.
Examples in the real world
Determining microwave propagation cutoffs and resonances for plasma density diagnostics.