[first] [prev] [Helmut Eschrig, (IFW-Dresden) 05] [NEXT] [last]
By mere inspection of the patterns one realizes wether or not the maximally antibonding state comprises a sign alternation from plaquette to plaquette along the chain, and hence whether the antibonding band has its maximum at the zone boundary or at the zone center.

[first] [prev] [Helmut Eschrig, (IFW-Dresden) 05] [NEXT] [last]