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The Spectral Function Of Random Resistor Networks, Anthony Day, M. Thorpe
The Spectral Function Of Random Resistor Networks, Anthony Day, M. Thorpe
Anthony Roy Day
The effective complex conductivity [...] of a two-component material can be conveniently expressed as an integral transformation of a spectral function. The spectral function depends only on the geometry of the material, and can be used to calculate [...] for any particular choice of component conductivities. This is a very useful feature if the component conductivities can be varied (by changing the temperature or frequency, for example) at a fixed geometry. We present a derivation of the spectral function that identifies it as a density of states. We have made direct numerical calculations of the spectral function of two-dimensional random …