Glossary of Medical Terms

Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine

DISPERSION RELATION

For a given wave, the dispersion relation relates the temporal frequency of a wave (w, or omega) to its wavenumber k and another physical quantities quality of the system. Dispersion relations can be quite simple (for example, w = k c for easy, c being the speed of light), and they can also be quite composite, with interesting mathematical structure. The dispersion relation and its mathematical structure provide significant information about the wave, including the phase and group velocities. Note that the importance of dispersion relation is various in plasma physics than in another fields.
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