..
   Generated automatically by cpp2rst

.. highlight:: c
.. role:: red
.. role:: green
.. role:: param


.. _triqs_ctseg__solver_core__nn:

triqs_ctseg::solver_core::nn
============================

*#include <triqs_ctseg/solver_core.hpp>*



**Synopsis**

 .. rst-class:: cppsynopsis

       | block_matrix<double> const & :red:`nn` () const





density-density static correlation :math:`\langle n^\sigma_a n^{\sigma'}_b
\rangle` (see [[measure_nn]])