triqs_ctseg::measure_nn

#include <triqs_ctseg.hpp>

class measure_nn

measurement of equal-time density-density correlation function \(\langle n_1 n_2 \rangle\)

Measures

\[\chi_{a,b}^{\sigma\sigma'}\equiv\langle\]

n_{asigma}n_{bsigma’}rangle

Public members