Dear Huang: I think you are right;) Thanks a lot :P
On Fri, Apr 29, 2011 at 11:50 AM, lfhuang <lfhuang at theory.issp.ac.cn> wrote: > Dear Wang: > > > LO-TO splitting always exists in Brillouin zone, but two points are worth > > > > noting: > > > > > I do not think so. I do not find any LO-TO splitting at the X and R point > of > > Brillouin zone of cubic. > > This could depend on the definition of "LO-TO splitting", which I meant > "the reduction of the LO-TO degeneracy". > If it is defined to be the splitting due to the long-range electric force > on LO, it will disappear in BZ zone. > > Best Wishes! > Yours Sincerely > L. F. Huang > ------ > ====================================================================== > L.F.Huang(???) DFT and phonon physics > ====================================================================== > Add: Research Laboratory for Computational Materials Sciences, > Instutue of Solid State Physics,the Chinese Academy of Sciences, > P.O.Box 1129, Hefei 230031, P.R.China > Tel: 86-551-5591464-326(office) > Fax: 86-551-5591434 > Our group: http://theory.issp.ac.cn > ====================================================================== > > _______________________________________________ > Pw_forum mailing list > Pw_forum at pwscf.org > http://www.democritos.it/mailman/listinfo/pw_forum > > -- ____________________________________ Hui Wang School of physics, Fudan University, Shanghai, China -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.democritos.it/pipermail/pw_forum/attachments/20110429/06c4a3f1/attachment.htm
