The ABINIT Users Mailing List ( CLOSED )

[Marcel Mohr <marcel@physik.tu-berlin.de>]

Dear Francesco

On Thu, 12 Apr 2007, bertazzi@bu.edu wrote:

> Dear Colleagues,
>
> I am using the anaddb code to interpolate phonon dispersions in wurtzite 
> crystals; I need the phonon eigenvectors outside of the first Brillouin zone 
> (1BZ).
> I would like to know if these phonon eigenvectors are interpolated correctly 
> by the anaddb program. It looks like phonon eigenvectors outside of the 1BZ 
> are the same as the eigenvectors computed for reduced wave vectors inside the 
> 1BZ.

Hopefully they are the same. Why should they differ in a potential where 
U(k+G)=U(k) ?

Cheers Marcel