triqs.sumk.sumk_discrete

Evaluates the momentum sum \(\sum_k w_k [(i\omega_n + \mu)\mathbf{1} - \epsilon_k - \Sigma(k, i\omega_n)]^{-1}\) on a triqs.gfs.BlockGf.

Classes

SumkDiscrete(dim, gf_struct[, orthogonal_basis])

Base class for a discrete momentum sum of a lattice Green's function.