<div dir="ltr"><div>I am not sure I understand what you mean. The Mueller potential is a model used to test algorithms (I think this is the relevant reference: M\"uller, K.; Brown, L. Location of Saddle Points and Minimum Energy Paths by a Constrained Simplex Optimisation Procedure. Theor. Chim. Acta 1979,53, 75-93). It is not directly implemented in the NEB code of QE.</div><div><br></div><div>Paolo<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Apr 5, 2020 at 8:45 PM Eleftheria Gkogkosi <<a href="mailto:elefthe@mail.ntua.gr">elefthe@mail.ntua.gr</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Good evening,<br>
<br>
Reference is made to the nudge elastic band method as implemented in <br>
quantum espresso with "neb.x"<br>
<br>
How can you illustrate the contour plot with the Mueller potential <br>
energy surfaces?<br>
<br>
This does not seem to be readily included in the output files of a <br>
relevant job.<br>
<br>
Many thanks,<br>
<br>
-- <br>
Eleftheria Gkogkosi<br>
<br>
Applied Mathematics & Physics Dept.<br>
National Technical University of Athens<br>
<a href="http://users.ntua.gr/elefthe" rel="noreferrer" target="_blank">http://users.ntua.gr/elefthe</a><br>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,<br>Univ. Udine, via delle Scienze 208, 33100 Udine, Italy<br>Phone +39-0432-558216, fax +39-0432-558222<br><br></div></div></div></div></div>