EPW Forum

This is because phonon is not properly calculated. Or you changed phonon q1, q2 and q3 changed at mid of calculation. I faced this problem also

How to get maximum phonon frequecy for wscut setting? when I see ph.out file it is too big 10HZ. Any one help me?

projection block in EPW input is not clear to me! some people uses like s;p other uses f= 0.0 0.5 ...,s etc. how to understand it clearly. Any tutorials related to it?

Thanks, dear all! I revealed the trick by myself: if it is helpful to someone Looks how I revealed it. 1. error has occurred while I use the run program mpiexec -np 32 pw.x <epw.in>epw.out 2. So, my problem is solved when i use mpiexec /home/kunsa24/q-e-qe-7.0/bin/epw.x -nk 16 -in epw.in>epw.out ...

Waiting for input... Waiting for input... IMPORTANT: XC functional enforced from input : Exchange-correlation= PZ ( 1 1 0 0 0 0 0) Any further DFT definition will be discarded Please, verify this is what you really want G-vector sticks info -------------------- sticks: dense smooth PW G-vecs: dense ...