<div dir="auto">To include van der waals interaction (van der calculation) </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 20 Jun, 2023, 3:31 pm Peter Blaha, <<a href="mailto:peter.blaha@tuwien.ac.at">peter.blaha@tuwien.ac.at</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Looks ok, beside:<br>
<br>
Why do you do Init_nl_vdw ???<br>
<br>
Am 20.06.2023 um 11:31 schrieb Burhan Ahmed:<br>
> Dear experts, I am having a compact cluster with 100gb RAM, 36 cores and <br>
> 12 TB SATA hard disk with CentOS.<br>
> <br>
> I want to calculate the band structure by considering the van der waals <br>
> interaction of 6ql topological insulator. Below are the steps I have <br>
> used for the detailed calculation.<br>
> <br>
> Optimized the cell with PBE.<br>
> <br>
> After initialization, I run a pbe scf using<br>
> <br>
> “run_lapw -p -ec 0.0001 -cc 0.001 -NI”<br>
> <br>
> Save the result using<br>
> <br>
> “save_lapw *pbe*”<br>
> <br>
> In the next step<br>
> <br>
> “init_so_lapw” ( took the default parameters, magnetization is 0 0 1)<br>
> <br>
> “Init_nl_vdw “ (kernel type 1)<br>
> <br>
> “init_mbj_lapw”<br>
> <br>
> “run_lapw -p -so -i 1 -NI”<br>
> <br>
> “save_lapw *mbj*”<br>
> <br>
> “init_mbj_lapw”<br>
> <br>
> Took the selection 2 for surface calculation, and lmbj for potential<br>
> <br>
> And finally I run “run_lapw -p -lmbj -so -ec 0.0001 -cc 0.001 -i 999 -NI”<br>
> <br>
> And then I save the result using save_lapw *lmbj*.<br>
> <br>
> I want to know whether these are the correct steps for calculating band <br>
> structure with lmbj potential available in wien2k_23.<br>
> <br>
> Thanks in Advance<br>
> <br>
> Regards<br>
> <br>
> Burhan Ahmed<br>
> <br>
> *Research Scholar, AUS *<br>
> <br>
> <br>
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<br>
-- <br>
--------------------------------------------------------------------------<br>
Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna<br>
Phone: +43-1-58801-165300<br>
Email: <a href="mailto:peter.blaha@tuwien.ac.at" target="_blank" rel="noreferrer">peter.blaha@tuwien.ac.at</a> WIEN2k: <a href="http://www.wien2k.at" rel="noreferrer noreferrer" target="_blank">http://www.wien2k.at</a><br>
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</blockquote></div>