Chemistry, asked by lavanyaselvi2000, 5 months ago

The frequency of acoustic phononos

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Answered by s02371joshuaprince47
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The connection between frequency and wavevector, ω = ω(k), is known as a dispersion relation. ... The speed of propagation of an acoustic phonon, which is also the speed of sound in the lattice, is given by the slope of the acoustic dispersion

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