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    <p>Good evening,</p>
    <p>I was hoping to be given a reference to understand the
      differences in the QE pseudopotential names; I do not understand
      how to correlate differences in the names with different papers
      from which they originate. For example, on the page<br>
    </p>
    <p><a class="moz-txt-link-freetext" href="http://www.quantum-espresso.org/pseudo-search-results/?el_id=1&unp_id=8&fun_id=12&colum_k&origin_id">http://www.quantum-espresso.org/pseudo-search-results/?el_id=1&unp_id=8&fun_id=12&colum_k&origin_id</a></p>
    <p>there are 3 listed pseudopotentials relative to the restrictions
      I gave. However, I do not know how to look up the differences
      between <a class="element_anchor" target="_blank"
href="http://www.quantum-espresso.org/wp-content/uploads/upf_files/H.pbe-kjpaw.UPF"
        style="margin: 0px; padding: 0px; color: rgb(175, 16, 29);
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        sans-serif; font-size: 13px; font-style: normal;
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        text-align: left; text-indent: 0px; text-transform: none;
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        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255);">H.pbe-kjpaw.UPF</a> and <a class="element_anchor"
        target="_blank"
href="http://www.quantum-espresso.org/wp-content/uploads/upf_files/H.pbe-kjpaw_psl.0.1.UPF"
        style="margin: 0px; padding: 0px; color: rgb(175, 16, 29);
        text-decoration: none; font-family: Arial, Helvetica,
        sans-serif; font-size: 13px; font-style: normal;
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        font-weight: normal; letter-spacing: normal; orphans: 2;
        text-align: left; text-indent: 0px; text-transform: none;
        white-space: normal; widows: 2; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255);">H.pbe-kjpaw_psl.0.1.UPF</a> to understand what I am
      using.<br>
    </p>
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