Thanks Marton, its working.<br><br><br><div class="gmail_quote">On Tue, Apr 19, 2011 at 5:40 PM, Marci <span dir="ltr"><<a href="mailto:vormar@gmail.com">vormar@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;">
Dear Priya,<br>
<br>
Though I have never tried, it should work with periodic systems if you<br>
sample the Brillouin zone only with the gamma point. Keep in mind that<br>
the usual adiabatic approximations with (semi)local functionals might<br>
not work very well for calculating the absorption of periodic systems.<br>
<br>
Marton<br>
<br>
--<br>
Marton Voros<br>
PhD student<br>
Department of Atomic Physics<br>
Budapest University of Technology and Economics<br>
Budafoki út 8., H-1111, Budapest, Hungary<br>
<a href="http://www.fat.bme.hu/MartonVoros" target="_blank">www.fat.bme.hu/MartonVoros</a><br>
<br>
On Tue, Apr 19, 2011 at 11:02 PM, Johari, Priya Sudhir<br>
<div><div></div><div class="h5"><<a href="mailto:priya_johari@brown.edu">priya_johari@brown.edu</a>> wrote:<br>
> Thanks Duy, but the link does not give sufficient information. However, I<br>
> found a discussion on forum's archive itself where Giuseppe Mattioli has<br>
> mentioned that TDDPFT does not work for periodic systems :-(<br>
><br>
> Dr Priya Johari.<br>
> Brown University,<br>
> Providence, RI - 02906. USA<br>
><br>
><br>
><br>
> On Tue, Apr 19, 2011 at 3:59 PM, Duy Le <<a href="mailto:ttduyle@gmail.com">ttduyle@gmail.com</a>> wrote:<br>
>><br>
>> 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<br>
>> 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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