<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Fri, May 29, 2015 at 11:55 AM, Florian Fuchs <span dir="ltr"><<a href="mailto:florian.fuchs@zfm.tu-chemnitz.de" target="_blank">florian.fuchs@zfm.tu-chemnitz.de</a>></span> wrote:<br><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I want to use the meta-GGA functional introduced by Tran and Blaha<br>
(Phys. Rev. Lett. 102, 2009) and implemented within Quantum Espresso </blockquote><div><br></div><div>only via libxc<br><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> this functional includes a parameter [...]<br>
I would like to set this parameter manually to adjust the band gap to<br>
some reference data. Is it possible to set this parameter in Quantum<br>
Espresso? How can I do this without changing the source code?<br></blockquote><div><br></div><div>you cannot do that without changing the source code, for sure. I don't see any parameter in the call to libxc, so unless there is some way to do that via a call to some libxc routine, you have to modify libxc sources<br><br></div><div>Paolo<br></div></div></div></div>