Before revision: Separating the real and imaginary components, Complex conductivity The complex optical conductivity in general is related to the complex dielectric function Substituting the formula of in the equation above we obtain Separating the real and imaginary components , Reference
After revision: Separating the real and imaginary components Complex conductivity The complex optical conductivity in general is related to the complex dielectric function Substituting the formula of in the equation above we obtain Separating the real and imaginary components ,