<div style="color:#000;font-size:12pt;font-family:돋움 !important;background-color: transparent;">
<p>Thank you for your helpful comments.</p>
<p> </p>
<p><span style="font-size: 12pt;">I will try to check them. (i, ii, iii, and PPS)</span></p>
<p><span style="font-size: 12pt;">If there is something special, I will briefly report here.</span></p>
<p> </p>
<p>Thank you again :)</p>
<p> </p>
<p>- Kyohn</p>
<p> </p>
<p><span> </span></p>
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<div style="line-height:18px;font-size:9pt">-----------------------원본 메세지-----------------------<br />
보낸사람: "Peter Blaha"<pblaha@theochem.tuwien.ac.at><br />
받는사람: wien@zeus.theochem.tuwien.ac.at<br />
보낸시간: 2017-09-15 00:04:59 GMT +0900 (Asia/Seoul)<br />
제목: Re: [Wien] Question about large RKmax</div>
<p> </p>
<p> </p>
Hi,<br />
<br />
Yes, your graphs make sense to me. On the scale of a tenth of a mRy<br />
convergence can become very difficult, in particular for heavy elements.<br />
<br />
I'd believe the RKM=12 results, but beware my final note.<br />
I'm not sure where the oszillation in Etot comes from.<br />
<br />
Important for this kind of precision: RKMAX is not the only parameter.<br />
You mentioned BIG spheres: Did you make sure that<br />
i) lvns has been increased and results are converged<br />
ii) there's no problem with linearization energies (maybe add a HDLO,..)<br />
iii) eventually you even need to increase the LM list in case.in2, in<br />
particular when :FIT (in the scf file) is not good.<br />
<br />
PPS: Since you have 5d elements, there are 4f semi-core states. For<br />
these spheres I'd put them into the core, as they are so confined an<br />
never leak out. You have to use charge-cutoff instead of E-cutoff in lstart.<br />
<br />
Regards<br />
Peter Blaha<br />
<br />
On 09/14/2017 03:34 PM, Kyohn Ahn wrote:<br />
> Dear WIEN2k users<br />
><br />
> I'm sorry.<br />
> In the last mail, the link was broken,,<br />
><br />
> I have a problem about large RKmax.<br />
> Please see the attached file:<br />
> There are some parts of bandstructure of my system<br />
> with various RKmax values.<br />
><br />
> In my case only a large RKmax (11~12) shows good results.<br />
> Is there anyone who had similar experiences?<br />
><br />
> # Details:<br />
> # The smallest Rmt = 2.5 (atomic distances are pretty long) /<br />
> # Heavy elements from Os to Bi line /<br />
><br />
> My biggest concern, really, is that<br />
> whether the results are in the "numerical linear dependency" problem<br />
> or not. Is there any other method to check the issue?<br />
><br />
> Thank you for reading this email.<br />
> Any response in this regard will be very helpful for me.<br />
><br />
> With best regards<br />
><br />
> - Kyohn<br />
><br />
><br />
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><br />
<br />
--<br />
<br />
P.Blaha<br />
--------------------------------------------------------------------------<br />
Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna<br />
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