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Zeitschrift für Physik B Condensed Matter
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Simulation of two and three-dimensional disordered systems: Lifshitz tails and localization properties

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Abstract

Very large two and three-dimensional realizations of the Anderson model for localization are studied by solving the time-dependent Schrödinger equation. The density of states is calculated and Lifshitz tails extracted. Eigenstates at various energies are computed and analyzed. The localization length is determined as a function of the strength of the disorder and energy. For moderate disorder substantial deviations from results obtained by the strip-and-rod technique are found. © 1989 Springer-Verlag.

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Zeitschrift für Physik B Condensed Matter

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