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dispersion relation

noun

  1. 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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Example Sentences

Kiladis and a colleague later confirmed another of Matsuno’s predictions when they related the length of a Kelvin wave to the frequency of its wiggles — a characteristic known as a dispersion relation — and found that it matched Matsuno’s equations.

“The fact that this event is twice as far as the previous two gives us a longer baseline to test the dispersion relation, and as a result we now have a limit on the mass of the graviton that is 30 percent tighter than the one we previously set. One could say we are putting general relativity to a tighter and tighter test—it is still holding, but with more signals we may find something that does not quite agree.”

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dispersion hardeningdispersive