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Title: Electric-field dependent average resistance and the resistance fluctuation in one-dimensional disordered systems
Authors: Vijayagovindan, G.V.
Jayannavar, A.M.
Kumar, N.
Issue Date: 1987
Publisher: The American Physical Society
Citation: Physical Review B, 1987, Vol. 35, p2029
Abstract: Following an invariant-imbedding approach, we obtain analytical expressions for the ensemble-averaged resistance (ρ) and its Sinai’s fluctuations for a one-dimensional disordered conductor in the presence of a finite electric field F. The mean resistance shows a crossover from the exponential to the power-law length dependence with increasing field strength in agreement with known numerical results. More importantly, unlike the zero-field case the resistance distribution saturates to a Poissonian-limiting form proportional to A‖F‖exp(-A‖F‖ρ) for large sample lengths, where A is constant.
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Copyright: 1987 The American Physical Society
Appears in Collections:Research Papers (TP)

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