Search found 2 matches

by Menglin
Mon Sep 17, 2018 6:55 am
Forum: Electron-phonon
Topic: The potential variation term in e-ph matrix
Replies: 0
Views: 16668

The potential variation term in e-ph matrix

Dear developers and users, According to "Giustino et al., Phys. Rev. B, 76, 165108 (2007)", the electron-phonon matrix element is defined as: <mk+q|partial(qv)V|nk>, where the variation (perturbation) of the potential term is derived from the DFPT results implemented in Phonon code. 1. How is this ...
by Menglin
Fri May 18, 2018 2:02 am
Forum: General discussion
Topic: Some questions about Lead example in 2018 worksop
Replies: 16
Views: 20268

Re: Some questions about Lead example in 2018 worksop

Dear Samuel, I got the similar result in the exercise of Wed5/exercise2/si (mobility) with QE v.6.2.2 but I still have two questions. 1) In epw1.in, can I use the denser fine k/q grids instead of setting filkf (filqf) = './LGX.txt' since the band structure is not that important. 2) In epw2.in, the ...