Function QCM::projected_Green_function¶
Defined in File QCM.cpp
Function Documentation¶
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matrix<complex<double>> QCM::projected_Green_function(const complex<double> w, bool spin_down, int label)¶
returns the projected Green function, as used in CDMFT: \bar G = \sum_\kv (G_0^{-1}(\kv,\omega) - \Sigma(\omega))^{-1}
Computes the projected Green function at a given frequency, as used in CDMFT.
- Parameters:
w – frequency
spin_down – true if the spin-down sector is covered (mixing = 4)