[Pw_forum] unit of mode vectors in matdyn.modes

[Lorenzo Paulatto]

On 13 December 2012 11:25, Steve Schmerler <elcortogm at googlemail.com> wrote:

> * the eigenvectors in matdyn.modes
>

They are eigenvectors,  it does not matter; I think they are normalized to
one. A factor 1/sqrt(atom_mass) may or may not be present, depending on the
exact place where you are taking the patterns from. If I remember
correctly, those in the dyn files do not include it.


> * the q-points (I guess fractional w.r.t. reciprocal unit cell)
>

cartesian axes in units of 2pi/celldm(1)


> Thank you.
>


-- 
Dr. Lorenzo Paulatto
IdR @ IMPMC -- CNRS & Université Paris 6
phone: +33 (0)1 44275 084 / skype: paulatz
www:   http://www-int.impmc.upmc.fr/~paulatto/
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