Hello Roc,
electron lifetime cannot exist in single-particle Kohn-Sham method, you need
some beyond-KS method, they tend to be have different pros and cons but
generally they are quite complicated and computationally expensive. All of them
are implemented in the QE distribution, directly or via some tightly coupled
code.
You've better check literature and textbooks first to clear your ideas and
understand what you really need.
kind regards
Dr. Lorenzo Paulatto
IdR @ IMPMC - CNRS UMR 7590 & Sorbonne Université
phone: +33 (0)1 442 79822 / skype: paulatz
http://www.impmc.upmc.fr/~paulatto/
(https://link.getmailspring.com/link/4a59d69d-6cd7-489e-b471-c33e45733...@getmailspring.com/0?redirect=http%3A%2F%2Fwww.impmc.upmc.fr%2F~paulatto%2F&recipient=dXNlcnNAbGlzdHMucXVhbnR1bS1lc3ByZXNzby5vcmc%3D)
- https://anharmonic.github.io/
(https://link.getmailspring.com/link/4a59d69d-6cd7-489e-b471-c33e45733...@getmailspring.com/1?redirect=https%3A%2F%2Fanharmonic.github.io%2F&recipient=dXNlcnNAbGlzdHMucXVhbnR1bS1lc3ByZXNzby5vcmc%3D)
23-24/423 B115, 4 place Jussieu 75252 Paris CX 05
On Sep 6 2021, at 5:23 am, 526587466--- via users
wrote:
> Dear All，
>
> How to obtain the electron lifetimes in the K-space, to plot a picture with
> electron band structures (along some high symmetry points) plus the
> corresponging electron lifetimes by QE.
>
> Thanks.
>
> Best regard,
>
> Roc.
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