Questions tagged [phonon-dispersion]

Questions relating to phonon dispersions - the relationship between the phonon frequency and its wave vector.

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10 votes
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How to determine LA/TA, ZA/ZO and LO/TO by PHONOPY

I would like to ask how to use PHONOPY to define which band is LO, TO or LA, TA, or ZO or ZA. I attach a picture from
Binh Thien's user avatar
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9 votes
1 answer

Stability using Phonon Calculation

While performing phonon calculation using finite difference method, we get normal modes printed in the outcar file. Now there is a distinction between two different types of modes in the outcar file. ...
mehak g's user avatar
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