Plot the shapes of the optical and acoustic branches in the dispersion relation for four different ratios

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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.

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Fundamentals Of Solid State Engineering

ISBN: 9783319757070

4th Edition

Authors: Manijeh Razeghi

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Question Posted: Jun 11, 2021 08:02 AM

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Plot the shapes of the optical and acoustic branches in the dispersion relation for four different ratios

Question:

10, 5, 2, M2

Step by Step Answer:

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

Fundamentals Of Solid State Engineering

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