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Dear users;<BR>
<BR>
I want to modfiy the phonon code in /PH to obtain transport a2F function in PWSCF-3.2.3, <BR>
now I have already known that I should mainly modify the code in file elphsum subroutine <BR>
in elphon.f90, transport a2F function is firmly realted to the electron-phonon interaction<BR>
matrix elements.<BR>
I carefully read the Subroutine elphsum, but I have a very confusing question: <BR>
in elphsum, how el_ph_mat is calculated? although another subroutine elphel can calculate <BR>
el_ph_mat, the elphsum does not call elphel subroutine at all. <BR>
So , how the values of el_ph_mat are coming into being ? <BR>
<BR>
Any suggestion is appreciated.<BR>
<BR>
Best.<BR>
<BR>
Wenmei<BR><br /><hr />“七件武器，七种完美” <a href='http://get.live.cn' target='_new'>立刻体验！</a></body>
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