Figure 7.

The imaginary part of the quasi-particle self-energy Im Σ(k,ϵ(k))/E_F as a function of the momentum k of the electron at different metallic densities (E_F = 0.921, 0.409, 0.230, and 0.147 Ry at r_s = 2, 3, 4 and 5, respectively). The dashed curve is Quinn’s result at r_s = 2 [10,13].