[Pw_forum] About eigenvector of phonon

[Paolo Giannozzi]

On Tuesday 24 May 2005 08:03, zhanglijun wrote:

> How about q is not equal to 0?
> Is the program "dynmat.x" appropriate?

it might actually work for q!=0 as well (no warranty that it does). 
Of course, you have to supply the dynamical matrix for the desired
q and not to impose acoustic sum rule. 

P.

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Paolo Giannozzi             e-mail:  giannozz at nest.sns.it
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