How to derive the relationship between the permittivity and conductivity?

I’m trying to derive the relationship between conductivity and permittivity: ε(K,ω) = 1+ (iσ(K,ω))/(ε0 ω) using the equations : (1) D(K,ω) = ε0 ε(K,ω)E(K,ω) (2) J(K, ω) = σ(K,ω)E(K,ω) (3) D = ε0...

03 April 2023 4,996 2 View