Hey.I guess we come from the same university. Maybe we could contact each other privately.
Btw, I checked the archives, and Dr. Nicola said, there's no difference between metallic and semiconductor carbon nanotubes in the term of charge density. Thanks. Chengyu 2010/8/27 Duy Le <ttduyle at gmail.com> > what's wrong? why don't you use non-zero gaussian spreading? > The purpose of using smearing is to avoid a step function at Fermi > level. If the system is metallic, gaussian spreading must be non-zero. > If it is not metallic, a non-zero gaussion spreading won't harm your > calculation. > -------------------------------------------------- > Duy Le > PhD Student > Department of Physics > University of Central Florida. > > "Men don't need hand to do things" > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.democritos.it/pipermail/pw_forum/attachments/20100827/eecd4913/attachment.htm
