[Pw_forum] a2Fq2r files - electron-phonon coupling

[Sridhar Sadasivam]

Hello,

I have a question about electron-phonon coupling in Quantum Espresso. When
ph.x is run with electron-phonon coupling (la2F = .true.), it outputs a
series of files a2Fq2r.* (* = 51-60). Could someone explain what exactly is
contained in these files? Do they contain the electron-phonon coupling
matrix elements?

I did not find much information on this in the documentation. Thank you!
Sridhar
Purdue University
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