Dear Paolo Giannozzi:
> >what is the meaning of "force constants"? ( hint: second derivative of > >the energy with respect to atomic displacements ) Thanks for your hint. I got it:) > ____________________________________ > Hui Wang > School of physics, Nankai University, Tianjin, China -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.democritos.it/pipermail/pw_forum/attachments/20090802/94cf6415/attachment-0001.htm
