Re: [MPB-discuss] About the lightcone and projected slab mode

2007-11-16 Thread Steven G. Johnson
On Fri, 16 Nov 2007, Ryan Hao wrote: >I have used a non-orthogonal supercell for calvulating > triangular lattice. That may be the problem. >I chose the supercell like this: > o > o >

Re: [MPB-discuss] About the lightcone and projected slab mode

2007-11-16 Thread Ryan Hao
Dear Prof. Steven, OKey! I got it. I have used a non-orthogonal supercell for calvulating triangular lattice. That may be the problem. I chose the supercell like this: o o