Dear MPB/MEEP community:
I've obtained the raw eigenvectors of a simple 2-D photonic crystal
calculated by MPB. The data structure has a dimension
of b*4*N , b is the number of bands , N is the number of planewaves
(grid points), but I don't know the second number 4 means.
What does each of the four numbers represent?
Is anyone know this? Looking forward to your reply. THANK YOU.
--
Jessie
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