The geometrically-averaged density of states as a measure of localization
Abstract
Motivated by current interest in disordered systems of interacting electrons, the effectiveness of the geometrically averaged density of states, g(ω), as an order parameter for the Anderson transition is examined. In the context of finite-size systems we examine complications which arise from finite energy resolution. Furthermore we demonstrate that even in infinite systems a decline in g(ω) with increasing disorder strength is not uniquely associated with localization.
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