triqs_ctseg::solver_core::nn_iw

#include <triqs_ctseg/solver_core.hpp>

Synopsis

block_gf_view<triqs::mesh::imfreq> nn_iw ()

Density-density correlation function \(\mathrm{FT}\left[\langle n^\sigma_{a}(\tau) n^{\sigma'}_{b}(0)\rangle\right]\) (see [[measure_nnw]])