Re: [Phonopy-users] about using the vasp to calculate phonon

[Atz T. <atz...@gm...>]

Hi,

It would not be of only INCAR. Wehn you use a supercell with VASP
IBRION=8, then it is calculated exactly at the commensurate k-points,
and interpolation for the other general k-points. For example,  for
2x2x2 supercell, (0,0,0), (0.5, 0, 0), ..., (0.5, 0.5, 0),..., (0.5,
0.5, 0.5) in the reciprocal space are the exact points.

Togo

On Fri, Aug 20, 2010 at 12:11 AM, Wei Zhou <zd...@gm...> wrote:
>
> I read the phonopy guide, foud that the force maxtrix can be gotten from the
> VASP directly by mean of IBRION=8 in vasp.
> so does this method be restrained to gamma-kpoints only?
> would some one give me a INCAR example of input about this method
> any help  will be appreciated
> --
> ZhouDawei
> JiLin Universiyt ,ChangChun ,China
> zd...@gm...
>
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-- 
Atsushi Togo
http://atztogo.users.sourceforge.net/
atz...@gm...