[Wien] question about optical properties

[ben amara imen]

Dear all ,

I'm working on magnetic semiconductor: it is a half metal :  a
semiconductor for spin up and a metal for spin down.

When I calculate the optical properties , I do it for spin up ( a
semiconducting aspect )  and for spin down ( metallic aspect) , then I
addjoint the two spin up-dn
*My question is:*
The calculation steps are the same for spin up and down? there is no
difference between them . I mean : in the case of spin down when the
compound is a metal, I introduce the intraband transitions even if the
compound is a semi metal??

Waiting your reply and thanks in advance

Best Regards
Imen
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