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Dresden 2006 – scientific programme

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TT: Tiefe Temperaturen

TT 25: Correlated Electrons - Poster Session

TT 25.100: Poster

Wednesday, March 29, 2006, 14:30–18:30, P1

Properties of the density of states of the three dimensional Bernoulli-Anderson model — •P. Karmann, V. Cerovski, and M. Schreiber — Institut für Physik, Technische Universität Chemnitz, 09107 Chemnitz

The density of states of the Bernoulli-Anderson model, defined as the tight-binding Hamiltonian of non-interacting electrons with disorder introduced by the random distribution of only two on-site energies, is studied using the large scale numerical diagonalization by means of the Lanczos algorithm. In particular, we determine the band structure and the properties of characteristic features for different system sizes and disorder strength of the on-site energies and compare the results with the Anderson model of localization.

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