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I am interested to calculate the optical conductivity using scGW calculation. What I find in the OUTCAR file that real and imaginary part of the dielectric constants are written for various photon energy from 0 to very high photon energy. My question is the followings-

(1) Can I tune the photon energy range and specify the photon energy range as well as the number of energy points within that energy range? For example if I want to obtain the dielectric constant from 0 to 4 eV with an interval of 0.01 eV, how to specify that?

I will be eagerly waiting for your reply.

With best regards
Swarup

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