[Pw_forum] Raman and IR spectra

[xirainbow]

IR and Raman calculation in QE is based on perturbation.
Unfortunately, metal can not be treated by perturbation theory.

On 10/27/15, Gul Rahman <gulrahman at qau.edu.pk> wrote:
> Dear All,
> Is it possible to calculate the Raman and IR spectra of metallic clusters
> with QE. I heard it is possible to calculate it for semiconductors, but not
> for metallic.
> Why QE is not able to calculate IR and Raman spectra of a metallic system.
> Thanks,
> Gul
>
>
> --
>
>
> Dr. Gul Rahman
> Assistant Professor,
> Department of Physics,
> Quaid-i-Azam University,
> Islamabad, Pakistan
> http://www.qau.edu.pk/profile.php?id=818020
>


-- 
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Hui Wang
School of physics, Henan University of Science and Technology, Henan, China