Rigorous bounds are derived for the density of electronic states for Weaire's tight binding model of amorphous germanium. The bounds are the same as found by Weaire, including the energy gap. It is further proved that there are the correct number of states, four per atom, above and below the gap.
No takes yet. Share an insight, caveat, or question.
Volker Heine (1971) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: