For a two-conductor line, the four-point correlator of the potential and current is calculated. Two cases are considered: nonlinear conduction of the directing conductors; and a "linear" line loaded by a nonlinear resistance. The correlator is calculated using cubic relations of nonlinear fluctuational-dissipative thermodynamics. The indeterminacy remaining after the phenomenological equations are specified reduces to the presence of a single numerical parameter that is dissipationallу undetermined.
Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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