[Wien] bandstructure plot of AFMII NiO

[bruce.tian]

Dear all:
I am calculating the bandstructure of AFM II type NiO. In bandstructure plot
generated by Wien2k there are some unexpected vertical lines. Does anybody
have idea about the origin of the lines. In calculation I use Xcrysden to
generate the k-list and 512 k-points are used. Thanks!

best regards
feng tian
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