dispersion relation

[də′spər·zhən ri‚lā·shən] (nuclear physics) A relation between the cross section for a given effect and the de Broglie wavelength of the incident particle, which is similar to a classical dispersion formula. (physics) An integral formula relating the real and imaginary parts of some function of frequency or energy, such as a refractive index or scattering amplitude, based on the causality principle and the Cauchy integral formula. (plasma physics) A relation between the radian frequency and the wave vector of a wave motion or instability in a plasma.

单词	dispersion relation
释义	dispersion relation dispersion relation n (General Physics) physics the relationship between the angular frequency (ω;) of a wave and the magnitude of its wave vector (k). Thus the wave's speed is ω/k dispersion relation dispersion relation [də′spər·zhən ri‚lā·shən] (nuclear physics) A relation between the cross section for a given effect and the de Broglie wavelength of the incident particle, which is similar to a classical dispersion formula. (physics) An integral formula relating the real and imaginary parts of some function of frequency or energy, such as a refractive index or scattering amplitude, based on the causality principle and the Cauchy integral formula. (plasma physics) A relation between the radian frequency and the wave vector of a wave motion or instability in a plasma. AcronymsSeedata rate
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