..
   Generated automatically by cpp2rst

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


.. _triqs_ctseg__measure_nnw:

triqs_ctseg::measure_nnw
========================

*#include <triqs_ctseg.hpp>*

.. rst-class:: cppsynopsis

      class  :red:`measure_nnw`

 measurement for the density-density correlation function on Matsubara
 frequencies
Measures the Fourier transform of


.. math::
		\chi_{a,b}^{\sigma\sigma'}(\tau)\equiv\langle
n_{a\sigma}(\tau)n_{b\sigma'}(0)\rangle

..


Public members
--------------

.. table::
   :widths: 40 60


   +----------+-------------------------------------+--+
   | params   | const triqs_ctseg::qmc_parameters * |  |
   +----------+-------------------------------------+--+
   | config   | const triqs_ctseg::configuration *  |  |
   +----------+-------------------------------------+--+
   | nnw      | block_gf<triqs::mesh::imfreq> &     |  |
   +----------+-------------------------------------+--+
   | beta     | const double                        |  |
   +----------+-------------------------------------+--+
   | n_imfreq | const int                           |  |
   +----------+-------------------------------------+--+
   | Z        | double                              |  |
   +----------+-------------------------------------+--+
   | nw       | std::shared_ptr<precompute_nw>      |  |
   +----------+-------------------------------------+--+


Member functions
----------------

.. table::
   :widths: 40 60


   +--------------------------------------------------------------------+--+
   | :ref:`(constructor) <triqs_ctseg__measure_nnw__constructor>`       |  |
   +--------------------------------------------------------------------+--+
   | :ref:`accumulate <triqs_ctseg__measure_nnw__accumulate>`           |  |
   +--------------------------------------------------------------------+--+
   | :ref:`collect_results <triqs_ctseg__measure_nnw__collect_results>` |  |
   +--------------------------------------------------------------------+--+

.. toctree::
    :hidden:

    measure_nnw/constructor
    measure_nnw/accumulate
    measure_nnw/collect_results