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    Dear all,<br>
    <br>
    I work on Boron Nitride structures and got confused about the use
    spin polarization in that case.<br>
    Well, some people say that one have to but I have papers which
    described DFT calculations on BN without it. <br>
    So, I'm wondering how much spin polarization influence the cell
    relaxation and scf calculations, and whether it has some influence
    on phonon for instance.<br>
    Thank you,<br>
    <br>
          Éric.<br>
    <br>
    <div class="moz-signature">-- <br>
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            Be the change you wish to see in the world<br>
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              — Mahatma Gandhi —<br>
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          <br>
          <a
            href="http://www.linkedin.com/pub/%C3%A9ric-germaneau/30/931/986">Dr.
            Éric Germaneau</a><br>
          <br>
          Graduate University of Chinese Academy of Sciences<br>
          College of Physical Sciences<br>
          Yuquan Road 19A<br>
          Beijing 100049<br>
          China<br>
          <br>
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                Please, if possible, don't send me MS Word or PowerPoint
                attachments<br>
                Why? See: <a
                  href="http://www.gnu.org/philosophy/no-word-attachments.html"
                  style="text-decoration:none"><font color="#498848">http://www.gnu.org/philosophy/no-word-attachments.html</font></a>
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