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CalculateSelfEnergy
ResponseFunction.CalculateSelfEnergy($G_0$,$G$) calculates \begin{equation} \Sigma = G_0^{-1} - G^{-1} \end{equation}
Input
-
$G_0$ : ResponseFunction object
-
$G$ : ResponseFunction object
Output
-
$\Sigma$ : ResponseFunction object
Example
### ###
Input
- Example.Quanty
-- some example code
Result
text produced as output
