[Pw_forum] phonons using finite difference approach with symmetry considerations using QE

[Paolo Giannozzi]

Even inside QE, in PHonon/FD/, there is a frozen-phonon code. Not sure
how it uses symmetry.

Paolo

On Fri, Jul 8, 2016 at 9:21 AM, Lorenzo Paulatto
<lorenzo.paulatto at impmc.upmc.fr> wrote:
> On Friday, July 8, 2016 9:20:27 AM CEST Sonu Kumar wrote:
>> Dear QE users,
>>
>> Can the QE calculate phonons using finite difference approach exploiting
>> the symmetry of a system?
>
> Dear Kumar,
> the PHON package from Dario Alfé ca nbe interfaced with quantum espresso, it
> takes a few hours to get started but it works very effectively.
>
> http://www.homepages.ucl.ac.uk/~ucfbdxa/phon/
>
> hth
>
>
> --
> Dr. Lorenzo Paulatto
> IdR @ IMPMC -- CNRS & Université Paris 6
> phone: +33 (0)1 44275 084 / skype: paulatz
> www:   http://www-int.impmc.upmc.fr/~paulatto/
> mail:  23-24/4é16 Boîte courrier 115, 4 place Jussieu 75252 Paris Cédex 05
>
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-- 
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222