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M1 M2w* – 2C(M1 + M2)w² + 2C²(1– cos ka) = 0 This is the dispersion relation of Phonon, figure out approximate expression between long wavelength region (origin of k) and near tre Brillouin zone boundary, and draw as a graph. Then talk about meaning of this expression and graph.

M1 M2w* – 2C(M1 + M2)w² + 2C²(1– cos ka) = 0 This is the dispersion relation of Phonon, figure out approximate expression between long wavelength region (origin of k) and near tre Brillouin zone boundary, and draw as a graph. Then talk about meaning of this expression and graph.

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M, M2w* – 2C(M, + M2)w² + 2C²(1– cos ka) = 0 - This is the dispersion relation of Phonon, figure out approximate expression between long wavelength region (origin of k) and near tre Brillouin zone boundary, and draw as a graph. Then talk about meaning of this expression and graph.
Transcribed Image Text:M, M2w* – 2C(M, + M2)w² + 2C²(1– cos ka) = 0 - This is the dispersion relation of Phonon, figure out approximate expression between long wavelength region (origin of k) and near tre Brillouin zone boundary, and draw as a graph. Then talk about meaning of this expression and graph.
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