[Pw_forum] phonon eigenvector units

[Paolo Giannozzi]

On Jul 10, 2012, at 17:50 , David Miller wrote:

> I wonder what is the unit of eigenvectors ?

adimensional: they are normalized to 1

> I noticed that the dynamical matrix is written in cartesian axes
> (I assume it means  in the units of alat)

no, it means "in cartesian axis", i.e. wrt displacements along x,y,z
>


P.
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Paolo Giannozzi, Dept of Chemistry&Physics&Environment,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222