[Pw_forum] elph question

[Mehrnaz Anvari]

Dear Paolo
Sorry because of repeated question. the answer will clear somethig for me.
I've already read about brute force in your paper(PRB,39,1989) which is used 

to calculate perturbations in a system(such as ionic displacement). Am I 
rigth?
Also I've studied two of Lazzeri papers about evaluated lambda in 
graphene.Do you mean that he doesn't use elph code directly to calculate 
lambda in graphene?
In addition I want to know that does the elph code use new fermi energy & 
Dos at fermi energy after perturbation to calculate lambda?
Mehrnaz
Iran University of science & technology    
 
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