Supercell ???<div><br></div><div>As far as I know, GWW is ONLY for gamma-point calculations. So if you are studying finite molecules, only relevant parameter is the vacuum distance. </div><div><br></div><div>For periodic systems, you can try YAMBO (<a href="http://www.yambo-code.org">http://www.yambo-code.org</a>) to obtain quasi-particle energies and band structure....</div>
<div><br></div><div>Regards,</div><div><br></div><div><br></div><div><br><div class="gmail_quote">On Sat, Oct 23, 2010 at 5:35 PM, shudong wang <span dir="ltr"><<a href="mailto:sd.wang000@gmail.com">sd.wang000@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div>Dear developers:</div>
<div>I confused about the size of supercell in GWW calculations. What the supercell should I use,2x2x2 or 3x3x3 ....? Does it must be used in the GWW?</div>
<div> </div>
<div> </div>
<div>Thanks in advance!</div>
<div> </div>
<div>S. D. Wang</div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><br><span style="font-family:arial, sans-serif;font-size:13px;border-collapse:collapse">Mehmet Topsakal (Ph.D. Student)</span><br><div>UNAM-Institute of Materials Science and Nanotechnology. <br>
Bilkent University. 06800 Bilkent, Ankara/Türkiye<br>Tel: 0090 312 290 3527 ; Fax: 0090 312 266 4365<br>UNAM-web : <a href="http://www.nano.org.tr" target="_blank">www.nano.org.tr</a><br></div><br>
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