Hi, I had the same question as Ryan has asked. Is there a free tool that would give the brilloin zone points given a lattice? IS there some rigorous automated way that can be used to quickly arrive at these points. Thanks VR Sitaraman
--- [EMAIL PROTECTED] wrote: > Send mpb-discuss mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, > visit > > http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/mpb-discuss > or, via email, send a message with subject or body > 'help' to > [EMAIL PROTECTED] > > You can reach the person managing the list at > [EMAIL PROTECTED] > > When replying, please edit your Subject line so it > is more specific > than "Re: Contents of mpb-discuss digest..." > > > Today's Topics: > > 1. Question about the irreducible Brillouin zone > of a triangular > lattice in MPB (Ryan Hao) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 30 May 2007 18:21:29 +0800 > From: "Ryan Hao" <[EMAIL PROTECTED]> > Subject: [MPB-discuss] Question about the > irreducible Brillouin zone > of a triangular lattice in MPB > To: [email protected] > Message-ID: > > <[EMAIL PROTECTED]> > Content-Type: text/plain; charset="iso-8859-1" > > Dear All, > > I find a question about the irreducible > Brillouin zone of a > triangular lattice in MPB. > In the MPB manual, it give a example for > the irreducible > Brillouin zone of a triangular lattice : > set! k-points (list (vector3 0 0 0) ; Gamma > (vector3 0 0.5 0) ; M > (vector3 (/ -3) (/ 3) 0) ; K > (vector3 0 0 0))) ; > Gamma > (set! k-points (interpolate 4 k-points)) > > I am confused at the value of K point! > I think the value of K point should be (vector3 (/ > 0.5 sqrt(3)) > 0.50).please see the picture attached. > Why Steven put (vector3 (/ -3) (/ 3) 0) here? > > 0, 0.5 > > 0.5/sqrt3, 0.5 > > Gamma > > 0, 0 > > M > > K > > -- > =========================================== > > Best wishes > > Yours, > Ryan Hao > > > > Wuhan National Laboratory for Optoelectronics > Institute of Optoelectronic Sinence and Engineering, > HUST University > Wuhan, 430074, P.R.CHINA > Phone: 86-027-87792242-809(O) > Mobile: > Fax: > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > http://ab-initio.mit.edu/pipermail/mpb-discuss/attachments/20070530/1ff19f65/attachment.html > > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: lattice.GIF > Type: image/gif > Size: 3616 bytes > Desc: not available > Url : > http://ab-initio.mit.edu/pipermail/mpb-discuss/attachments/20070530/1ff19f65/attachment-0001.gif > > > ------------------------------ > > _______________________________________________ > mpb-discuss mailing list > [email protected] > http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/mpb-discuss > > End of mpb-discuss Digest, Vol 15, Issue 14 > ******************************************* > ____________________________________________________________________________________ Got a little couch potato? Check out fun summer activities for kids. http://search.yahoo.com/search?fr=oni_on_mail&p=summer+activities+for+kids&cs=bz _______________________________________________ mpb-discuss mailing list [email protected] http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/mpb-discuss
