[Pw_forum] Silent Calculations

Paolo Giannozzi giannozz at democritos.it
Fri Aug 8 22:22:53 CEST 2008

On Aug 8, 2008, at 18:41 , S. K. S. wrote:

>  Only for Gamma point phonon  one  can use "Frozen
>  phonon" method because it is much faster.

not true in general. Each linear-response calculation
costs approx. as much as a self-consistent one, and
you need at least as many scf calculations as
linear-response calculations

Paolo Giannozzi, Dept of Physics, University of Udine
via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222

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