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    <p>Hi,</p>
    <p>there is also BerkeleyGW which also works with QE:<br>
      <br>
      <a class="moz-txt-link-freetext" href="http://www.berkeleygw.org/">http://www.berkeleygw.org/</a><br>
      <br>
      It's like YAMBO (GW+BSE is possible) but (at least in the past)
      you couldn't calculate systems with SOC in which you need to have
      spinors.<br>
      Same problem as with YAMBO - norm conserving pseudos only...<br>
    </p>
    <p>Regards</p>
    <p>Thomas<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 02/08/2017 07:06 PM, Federico Iori
      wrote:<br>
    </div>
    <blockquote
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        <div>Hi, HTH<br>
        </div>
        <div><br>
        </div>
        <div>1)<br>
        </div>
        <div>You can try YAMBO directly integrated into the QE suite <br>
        </div>
        <div><a moz-do-not-send="true">http://www.yambo-code.org/</a></div>
        <div><br>
        </div>
        <div>it is suited for quasiparticle GW electronic structure and
          optics calculation (RPA - linear response TDDFT and
          Bethe-Salpeter equation including excitionic effects)<br>
        </div>
        <div>Moreover you have several flavors in the above calculation
          that you can add and check as it is reported in the manual
          (spin polarization in the BSE for example)<br>
        </div>
        <div><br>
        </div>
        <div>There are plenty of examples and tutorial, and tips also in
          the dedicated forum.<br>
        </div>
        <div>Remember that at the moment, if things are not changed,
          Yambo is working with Norm Conserving pseudopotential only.<br>
        </div>
        <div><br>
        </div>
        <div>2)<br>
        </div>
        <div>Otherwise there is the GW Wannier code (it should be only
          for GW electronic structure calculations)<br>
        </div>
        <div><a moz-do-not-send="true" href="http://www.gwl-code.org/">http://www.gwl-code.org/</a></div>
        <div>and also this one is in the QE package.<br>
        </div>
        <div><br>
        </div>
        <div>3) <a moz-do-not-send="true" href="http://west-code.org/">http://west-code.org/</a><br>
        </div>
        <div><br>
        </div>
        <div>have a look and check maybe with the developers, if now is
          working not only at the Gamma Kpt only.<br>
        </div>
        <div><br>
        </div>
        <div>4) The Sax project <br>
        </div>
        <div><a moz-do-not-send="true"
            href="http://www.sax-project.org/">http://www.sax-project.org/</a> 
          <br>
        </div>
        <div>(GW calculations)<br>
        </div>
        <div><br>
        </div>
        <div>If I forgot something, please, developers  forgive me.<br>
        </div>
        <div><br>
        </div>
        <div><span name="x"></span>
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                <td><img moz-do-not-send="true" alt="Université
                    Paris-Sud"
                    src="https://zimbra.u-psud.fr/public/z_logo_signature.png"
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                <td valign="top">
                  <div><span style="font-size: 10pt"><b>Federico IORI</b></span></div>
                  <div><span style="font-size: 10pt">Marie Curie Fellow<br>
                      Laboratoire de Physique des Solides<br>
                      Bâtiment 510 - Rue André Rivière<br>
                      91400 Orsay</span></div>
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        <div
style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>De:
          </b>"Kanak Datta" <a class="moz-txt-link-rfc2396E" href="mailto:kanak@umich.edu"><kanak@umich.edu></a><br>
          <b>Para: </b>"pw forum" <a class="moz-txt-link-rfc2396E" href="mailto:pw_forum@pwscf.org"><pw_forum@pwscf.org></a><br>
          <b>Enviados: </b>Miércoles, 8 de Febrero 2017 18:52:26<br>
          <b>Asunto: </b>[Pw_forum] Optical properties and
          quasiparticle energy calculation<br>
          <div><br>
          </div>
          <div dir="ltr">
            <div>Dear researchers</div>
            <div><br>
            </div>
            <div>As a part of my research, I need to calculate the
              optical absorption spectrum and quasiparticle energy
              characteristics of monolayer and multilayer Transition
              Metal Dichalcogenide materials. I have seen
              literature referring to Berkeley GW package that can be
              integrated with Quantum Espresso for
              quasiparticle calculation. Are there other packages that
              can be used for this task?</div>
            <div><br>
            </div>
            <div>I know this post isn't completely in line with Quantum
              Espresso and it's feature, so I beg your pardon for any
              inconvenience.</div>
            <div><br>
            </div>
            <div>Thanks</div>
            <div><br>
            </div>
            <div>Kanak Datta</div>
            <div>
              <div class="gmail_signature">
                <div dir="ltr">
                  <div dir="ltr">
                    <div>Graduate Student</div>
                    <div>Electrical  Engineering and Computer Science</div>
                    <div>University of Michigan, Ann Arbor<br>
                    </div>
                  </div>
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          <br>
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        <div><br>
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      <pre wrap="">_______________________________________________
Pw_forum mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Pw_forum@pwscf.org">Pw_forum@pwscf.org</a>
<a class="moz-txt-link-freetext" href="http://pwscf.org/mailman/listinfo/pw_forum">http://pwscf.org/mailman/listinfo/pw_forum</a></pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Dr. rer. nat. Thomas Brumme
Max Planck Institute for the Structure and Dynamics of Matter
Luruper Chaussee 149
22761 Hamburg

Tel:  +49 (0)40 8998 6557

email: <a class="moz-txt-link-abbreviated" href="mailto:Thomas.Brumme@mpsd.mpg.de">Thomas.Brumme@mpsd.mpg.de</a>
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