triqs_xca.impurity.Fastdiagram.Sigma_calc

Fastdiagram.Sigma_calc()

Dispatched C++ function(s).

[1] (Gt: ndarray[complex, 3], order: str)
  -> ndarray[complex, 3]

Compute pseudo-particle self energy diagram of certain order, given pseudo-particle Green’s function G(t)

Parameters:

Gtndarray[complex, 3]

pseudo-particle Green’s function G(t), of size r*N*N

orderstr

diagram order: “NCA”, “OCA” or “TCA”

Returns:

ndarray[complex, 3]

pseudo-particle self energy diagram, r*N*N