Question: 4.3 Show that the dispersion relation of a diatomic chain, consisting of atoms with M and m2 separated by distance a connected by springs

4.3 Show that the dispersion relation of a diatomic chain, consisting of

4.3 Show that the dispersion relation of a diatomic chain, consisting of atoms with M and m2 separated by distance a connected by "springs" of constant K, is given by: = K ( 1 + ) + K ( 1 + ) - m m w = K -sinka Mm

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