[Pw_forum] phonon dynamical matrix and eigenvectors

Paolo Giannozzi giannozz at democritos.it
Wed Apr 18 22:49:18 CEST 2012


On Apr 17, 2012, at 24:01 , Bo Qiu wrote:

> However, I found the dynamical matrices do not agree.
> The eigenvectors are also completely different.

all I can say is that properly computed dynamical matrices
produced by QE are correct and should compare well with
properly computed dynamical matrices produced by other
packages

P.
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Paolo Giannozzi, Dept of Chemistry&Physics&Environment,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222







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