Abstract
AbstractResults of a computer study on variable range hopping in two‐dimensional systems are presented. A 2D system was chosen to allow for a treatment of models of considerable size with modest computational effort. The convergence properties of the results with respect to the model size have been carefully examined. It is found that an extrapolation to quasi‐infinite samples is possible. The results are discussed in connection with percolation results. Conditions for a strict T−1/3(T−1/4) law of the conductivity in 2D (3D) systems are derived. The influence of a non‐constant density of states is discussed.
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