Plot the shapes of the optical and acoustic branches in the dispersion relation for four different ratios
Question:
Plot the shapes of the optical and acoustic branches in the dispersion relation for four different ratios of masses:
and 1. Show that, in the case of two identical atoms, there is actually only one acoustic branch and no optical branch for the dispersion relation.
Transcribed Image Text:
10, 5, 2, M2
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The question refers to the dispersion relation of phonons in a diatomic linear chain which is a model considering two types of atoms with different masses alternating in a onedimensional array This mo...View the full answer
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