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Re: [abinit-forum] GW approximation and electrostatic potentials


Chronological Thread 
  • From: Fabien Bruneval <fabien.bruneval@cea.fr>
  • To: forum@abinit.org
  • Subject: Re: [abinit-forum] GW approximation and electrostatic potentials
  • Date: Tue, 22 Sep 2009 14:20:39 +0200

Hi Rolf,

The options prtpol and prtvxc are meaningless in the context of GW calculations.
The GW self-energy is non-local and dynamic, so it is not a simple function of the position, like v_xc or v_KS.

The code outputs GW-corrected band structure. Does it fit your needs?


Fabien




On 09/22/2009 01:09 PM, Rolf Oettking wrote:
Hello

I have a problem in deriving the total or any other potential in GW
approximation.
Going along the lines of the tutorial in tgw1_9.in and adding
prtpot 1 and
prtvxc 1,
the potentials are printed out correctly in the first and second calculation
steps but not in the fourth (or third).

So, the question is: how would one get the "GW-corrected" potentials

With best regards

Rolf Oettking




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