[Pw_forum] electron-phonon recovering modus

Paolo Giannozzi paolo.giannozzi at uniud.it
Wed Jun 4 21:34:31 CEST 2014


Did you try the new version? If it still doesn't work,
please file a (reproducible) bug report on qe-forge.

P.

On Wed, 2014-06-04 at 16:51 +0200, nicvok wrote:
> Dear all, 
> 
> 
> a colleague of mine became aware of the fact, that an electron-phonon
> calculation cannot be recovered properly, if every irreducible
> representation is 
> calculated separately and then is composed within a final run using
> the flag "recover=.true". 
> 
> 
> While it is working for phonons only, it fails for electron-phonon
> calculations, yielding messy matrix-elements and zero coupling
> strengths. Calculating the 
> el-ph straightforward without decomposing the irreps gives correct
> results. 
> We are using version 5.0.3 (aka 5.02 SVN 9656), openMPI parallelized.
> I am aware, that this problem was noticed before in this forum, but
> there wasn't an explanation. 
> Any hint is appreciated. 
> 
> 
> bests Nicki
> 
> 
> -------------------------------------------------------------
> Nicki Frank Hinsche, Dr. rer. nat.
> Institute of physics - Theoretical physics,
> Martin-Luther-University Halle-Wittenberg,
> Von-Seckendorff-Platz 1, Room 1.07
> D-06120 Halle/Saale, Germany
> Tel.: ++49 345 5525460
> -------------------------------------------------------------
> 
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