Thanks Duy, but the link does not give sufficient information. However, I found a discussion on forum's archive itself where Giuseppe Mattioli has mentioned that TDDPFT does not work for periodic systems<b> :-(<br><br>
</b><font color="#888888">Dr Priya Johari.<br>Brown University,<br>Providence, RI - 02906. USA</font><br><b><br></b><br><br><div class="gmail_quote">On Tue, Apr 19, 2011 at 3:59 PM, Duy Le <span dir="ltr"><<a href="mailto:ttduyle@gmail.com">ttduyle@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">If you do a little homework (such as googling keyword TD-DFPT), you'll<br>
find this link<br>
<a href="http://qe-forge.org/projects/tddfpt/" target="_blank">http://qe-forge.org/projects/tddfpt/</a><br>
I have not read it carefully but I guess it contains some useful information.<br>
--------------------------------------------------<br>
Duy Le<br>
PhD Student<br>
Department of Physics<br>
University of Central Florida.<br>
<br>
"Men don't need hand to do things"<br>
<br>
<br>
<br>
On Tue, Apr 19, 2011 at 3:26 PM, Johari, Priya Sudhir<br>
<<a href="mailto:priya_johari@brown.edu">priya_johari@brown.edu</a>> wrote:<br>
> TD-DFPT<br>
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