[Pw_forum] Electron Phonon coupling

Manish Jain manij at hotmail.com
Thu Apr 8 00:19:52 CEST 2004

Hi Eyvaz,

Thanks for your response. I am a bit confused though.

I was talking about calculating the electron phonon coupling matrix 
elements... As I understand,
in semiconductors and insulators have these couplings. What is absent is the 
line width due to
electron phonon scattering because of this because there are no states 
available at the fermi level.
All I wanted to confirm was that I can calculate the coupling matrix 
elements with pwscf for
insulators. I understand that taking it further and calculating the 
linewidths is not possible.


>From: Eyvaz Isaev <eyvaz_isaev at yahoo.com>
>Reply-To: pw_forum at pwscf.org
>To: pw_forum at pwscf.org
>Subject: Re: [Pw_forum] Electron Phonon coupling
>Date: Tue, 6 Apr 2004 09:09:07 -0700 (PDT)
>It is because semiconductors and insulators do not
>have  the Fermi surface.
>--- Manish Jain <manij at hotmail.com> wrote:
>Hello users,
>I was wondering if I could calculate electron phonon
>coupling parameters for insulators/semiconductors
>using pwscf-2.0 and USPP. I just want to make sure
>because the documentation only talks about metals...
>Any pointers will be appreciated.
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