Calculation of Electronic Self-Energy in Metal Systems

[qdhao]

Dear all
I'm using EPW to calculate the electron self-energy of beryllium, which is used to calculate the relaxation time to get the conductivity by my code. But no matter how I adjust the parameters, I can't get the correct imaginary part of electron self-energy, the values at each temperature are unreasonable, and the slope of the imaginary part relative to temperature is too small. I've spent months trying to figure it out, but never able to,I have used EPW to get the electron self-energy of metallic Li and got the correct lithium conductivity using my code. Any advice would be greatly appreciated! Below is my calculation folder for Be.Below are some of my input parameters.