[Pw_forum] a2Fq2r files - electron-phonon coupling

[Paolo Giannozzi]

On Fri, 2014-03-14 at 15:54 +0530, Sridhar Sadasivam wrote:

> My problem is this: how to extract the raw electron-phonon matrix
> elements from Quantum Espresso? I understand how to obtain related
> quantities such as phonon line widths and Eliashberg function. But I
> would like to obtain the raw matrix elements. Is this possible and has
> anyone done it before? 

the same question has been asked more than once in the past. The 
answer is also the same: one has to go into PH/src/elphon.f90, 
extract what needed from there. Currently matrix elements are 
not saved, if I remember correctly

Paolo

-- 
 Paolo Giannozzi, Dept. Chemistry&Physics&Environment, 
 Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
 Phone +39-0432-558216, fax +39-0432-558222