[Pw_forum] A question about electron phonon coupling calculation

Stefano de Gironcoli degironc at sissa.it
Tue May 22 18:00:55 CEST 2007

because the code calculates the integral of the el-ph strength averaged 
on the Fermi surface.

On Tue, 22 May 2007, Chao Cao wrote:

> I noticed that the manual pointed out el-ph coupling calculation is limited 
> to metal systems only. I am curious about where this restriction comes from? 
> Is it related with screening?
> Thanks
> Chao Cao

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