.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/plot_ejdos.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_gallery_plot_ejdos.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_gallery_plot_ejdos.py:


Joint Density of States
=======================

This example shows how plot the different contributions
to the electronic joint density of states of Silicon.

.. GENERATED FROM PYTHON SOURCE LINES 9-30



.. rst-class:: sphx-glr-horizontal


    *

      .. image-sg:: /gallery/images/sphx_glr_plot_ejdos_001.png
         :alt: plot ejdos
         :srcset: /gallery/images/sphx_glr_plot_ejdos_001.png
         :class: sphx-glr-multi-img

    *

      .. image-sg:: /gallery/images/sphx_glr_plot_ejdos_002.png
         :alt: plot ejdos
         :srcset: /gallery/images/sphx_glr_plot_ejdos_002.png
         :class: sphx-glr-multi-img

    *

      .. image-sg:: /gallery/images/sphx_glr_plot_ejdos_003.png
         :alt: plot ejdos
         :srcset: /gallery/images/sphx_glr_plot_ejdos_003.png
         :class: sphx-glr-multi-img





.. code-block:: Python

    import abipy.data as abidata
    from abipy.abilab import abiopen

    # Extract the bands computed with the SCF cycle on a Monkhorst-Pack mesh.
    with abiopen(abidata.ref_file("si_scf_WFK.nc")) as wfk_file:
        ebands = wfk_file.ebands

    # Select the valence and conduction bands to include in the JDOS
    # Here we include valence bands from 0 to 3 and the first conduction band (4).
    vrange = range(0, 4)
    crange = range(4, 5)

    # Plot joint-DOS.
    ebands.plot_ejdosvc(vrange, crange)

    # Plot decomposition of joint-DOS in terms of v --> c transitions
    ebands.plot_ejdosvc(vrange, crange, cumulative=False)

    # Show optical (vertical) transitions of energy 2.8 eV
    with abiopen(abidata.ref_file("si_nscf_GSR.nc")) as gsr_file:
        gsr_file.ebands.plot_transitions(2.8)


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.552 seconds)


.. _sphx_glr_download_gallery_plot_ejdos.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: plot_ejdos.ipynb <plot_ejdos.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: plot_ejdos.py <plot_ejdos.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: plot_ejdos.zip <plot_ejdos.zip>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_