electron-phonon matrix

General discussion around the EPW software

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baiyunfei
Posts: 5
Joined: Thu Dec 22, 2022 2:12 am
Affiliation: Institute of Physics CAS

electron-phonon matrix

Post by baiyunfei »

I want to calculate electron-phonon matrix using EPW in bloch basis, I have noticed using input 'prtgkk' EPW can print the absolute value of electron-phonon matrix. What should I do ,if I want a complex value of electron-phonon matrix? (Maybe some scripts need to be modified?) .I found print_gkk(iq) in printing.f90 is responsible for the output of electron phonon matrix, but I don't konw the correct way to modify it.
I also noticed that electron-phonon matrix is gauge dependent.Are there any ways to obtain complex value of electron-phonon matrix which is in consistent gauge with nscf result?

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