Abstract
Calculations of the density of states of the Anderson model Hamiltonian are reported for the case of purely off-diagonal disorder for a Bethe lattice. With increasing off-diagonal disorder, the density of states exhibits a band-center peak at E=0, where the ordered lattice did not have a Van Hove singularity. In the light of results of other theories, the present data suggest strongly the universality of this feature in respect of the dimension and the structure of the lattice.
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