 
 
 
 
 
 
 
  
The electron-phonon coefficients g are defined as
| g  ν(  , i, j) =    〈ψi,  |  ⋅  | ψj,  +  〉. | (1) | 
 ν is defined by
ν is defined by
| γ  ν = 2πω  ν    | g  ν(  , i, j)|2δ(e  , i - eF)δ(e  +  , j - eF), | (2) | 
 ν for
mode ν at wavevector
ν for
mode ν at wavevector  is defined as
 is defined as
| λ  ν =   | (3) | 
| α2F(ω) =   δ(ω - ω  ν)  . | (4) | 
| λ =  λ  ν = 2   dω. | (5) | 
Note that a factor M-1/2 is hidden in the definition of normal modes as used in the code.
McMillan:
| Tc =  exp   ![$\displaystyle \left.\vphantom{
{-1.04(1+\lambda)\over \lambda(1-0.62\mu^*)-\mu^*}}\right]$](img25.png)  | (6) | 
| Tc =  exp   ![$\displaystyle \left.\vphantom{
{-1.04(1+\lambda)\over \lambda(1-0.62\mu^*)-\mu^*}}\right]$](img25.png)  | (7) | 
| ωlog = exp     α2F(ω)logω ![$\displaystyle \left.\vphantom{ {2\over\lambda} \int {d\omega\over\omega}
\alpha^2F(\omega) \mbox{log}\omega }\right]$](img30.png)  | (8) | 
 
 
 
 
 
 
