<div dir="ltr">Dear Prof. <span style="font-family:arial,sans-serif;font-size:13px">Paolo Giannozzi:</span><br><div><span style="font-family:arial,sans-serif;font-size:13px"><br></span></div><div><font face="arial, sans-serif">Yes, I know and the item (2) in my original post is quoted from your post.</font></div>
<div><font face="arial, sans-serif">Then, can I understand that except for the calculation of the Fermi level and occupation numbers, there is little difference between "bands" and "nscf" modes?</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">Regards.</font></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Dec 11, 2013 at 4:34 PM, Paolo Giannozzi <span dir="ltr"><<a href="mailto:paolo.giannozzi@uniud.it" target="_blank">paolo.giannozzi@uniud.it</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I have explained the difference between 'nscf' and 'bands'<br>
a few days ago<br>
<br>
P.<br>
<div class="HOEnZb"><div class="h5"><br>
On Wed, 2013-12-11 at 14:00 +0100, H. Lee wrote:<br>
> Dear all:<br>
><br>
><br>
> I have a question on the difference between "bands" and "nscf"<br>
> calculations.<br>
><br>
><br>
> Reading the manuals and readings in this forum, I know that<br>
><br>
><br>
> (1) they are all one-step non-self-consistent calculations with use<br>
> and fix of the charge density obtained in the previous "scf"<br>
> calculations<br>
><br>
> (2) "nscf" calculation is used for calculation of dos and in this<br>
> "nscf" mode, unlike "bands" mode, the Fermi level and occupation<br>
> numbers are calculated.<br>
><br>
><br>
> But, I can't still understand clearly the difference between these two<br>
> modes.<br>
><br>
> I think that all types of calculations performed in "bands" mode, for<br>
> example bands calculation, can be performed in "nscf" mode, too. Is it<br>
> right?<br>
><br>
><br>
> In addition, I would like to know the case for which only "nscf" mode<br>
> should be performed, except for the calculation of dos.<br>
><br>
><br>
><br>
> Regards,<br>
><br>
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<br>
</div><span class="HOEnZb"><font color="#888888">--<br>
Paolo Giannozzi, Dept. Chemistry&Physics&Environment,<br>
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy<br>
Phone <a href="tel:%2B39-0432-558216" value="+390432558216">+39-0432-558216</a>, fax <a href="tel:%2B39-0432-558222" value="+390432558222">+39-0432-558222</a><br>
</font></span><div class="HOEnZb"><div class="h5"><br>
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