<div dir="ltr">On Tue, Oct 24, 2017 at 3:38 PM, Saif Ullah <span dir="ltr"><<a href="mailto:kiterunner7@gmail.com" target="_blank">kiterunner7@gmail.com</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote"><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div></div><div>I'm interested in using vdW-df in QE. My simple question is: Can we use PBE PPs by just changing the input_dft parameter from pbe to vdW-DF etc, just like we do in VASP? Or we need to generate a vdW-DF PPs the way we generate for use in SIESTA? Or we need to use revPBE pps?</div></div></blockquote><div><br></div><div>I don't think anybody generated PP's with vdW-DF. The long-range non-local term should be negligible in atoms anyway. You may use PP's generated with a functional that is close enough to vdW-DF, then test how they work<br><br></div><div>Paolo<br></div><div> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div>Can someone provide an input example or a link to generate pps in qe?</div><div><br></div><div>Thank you very much.</div><div><br></div><div>Regards</div><div>Saif</div><div><br></div><div>Department of Physics, UFJF, Brazil</div></div>
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