[Pw_forum] electron-phonon coefficients

[penghua]

Dear Prof. Eyvaz Isaev

Thank you for your replay. Since elph file is needed in the calculation of lambda, I rerunning ph.x, adding filelph='elphmatrx', I didn’t find any elph matrix file in directory. I don’t know the reason, how can I get the files?

------------------------------------------

Hua Peng   Penghua8503 at 163.com

ShandongUniversity

, 

Jinan, Shandong Province, China, 250100

 

2009-01-11，"Eyvaz Isaev" <eyvaz_isaev at yahoo.com> ：
>Dear Penghua,
>
>> forrtl: severe (29): file not found, unit 4, file
>> /espresso-3.2.3/examples/example07/results/fort.4
>
>lambda.x reads a file where you should list elph-files (with q-points before, and additional information in the first line). Most likely, it could not find these files, as they are in a different directory or they have names different those you specified. 
>
>q-points and their weights you can find using kpoints.x and answering the questions it posts.  A *.ph.out file (*.dyn0 as well) does not the weights, but it is a good idea to compare q-points you got by means of kpoints.x and that contained in *.dyn0 file.   
>
>Bests,
>Eyvaz.
>-------------------------------------------------------------------
>Prof. Eyvaz Isaev, 
>Theoretical Physics Department, Moscow State Institute of Steel & Alloys, Russia, 
>Department of Physics, Chemistry, and Biology (IFM), Linkoping University, Sweden 
>Condensed Matter Theory Group, Uppsala University, Sweden 
>Eyvaz.Isaev at fysik.uu.se, isaev at ifm.liu.se, eyvaz_isaev at yahoo.com
>
>      
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