Quoting xirainbow <nkxirainbow at gmail.com>: > Dear Eyvaz lsaev: > >> The only doubt is that in the case band structure calculations turning on > the lsym=.true. option >> band.f90 calls sym_band.f90 which reads eigenfunctions and makes intensive > symmerty >calculations. > Including lsym=true makes certain additional calculation and takes more > time. > >> If this takes place for phonon dispersion relations, too - so nice. >> If not? > Sorry, I am not familiar with QE. Therefore, I do not know the answer of > your doubt :? > I hope the developers can give certain explanation :?
The symmetry analysis of the displacement patterns is implemented only in ph.x. Presently matdyn.x does not use symmetry and cannot do the symmetry analysis as in bands.x. Andrea > > > ____________________________________ > Hui Wang > School of physics, Nankai University, Tianjin, China > ---------------------------------------------------------------- SISSA Webmail https://webmail.sissa.it/ Powered by Horde http://www.horde.org/