[Pw_forum] 'Calculation of phonon dos'

Paolo Giannozzi giannozz at nest.sns.it
Fri Apr 25 22:58:54 CEST 2003


Hi

> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
> from matdyn : error #        -1
>      non-analytic term for q=0 missing !
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

> what does this error mean?

it means that you have to calculate effective charges and dielectric
tensor at q=0

Paolo





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