A Dyson-expansion method gives analytic disorder-averaged transport coefficients up to fourth order in disorder strength, matching brute-force simulations for weak to moderate disorder.
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General method for calculating transport properties of disordered mesoscopic systems based on the nonequilibrium Green's function formalism
A Dyson-expansion method gives analytic disorder-averaged transport coefficients up to fourth order in disorder strength, matching brute-force simulations for weak to moderate disorder.