Wednesday, September 17, 2008

tip in mpb

Defect mode always appears around the number of super lattice cells, so set num-bands automatically is a better way if we do not confirm how big the supper lattice.

e.g.
(define-param supercell-x 5)
(define-param supercell-y 11)
(set! num-bands (+ 2 (* supercell-x supercell-y)))


 

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