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Coulomb drag in phase-coherent mesoscopic structures - Numerical study of disordered 1D-wires

2001/08/13 by Niels Asger Mortensen, Karsten Flensberg, Antti-Pekka Jauho
Physics and Astronomy · #cond-mat.mes-hall #cond-mat.dis-nn

paper · pdf

published as Springer Proceedings in Physics 87, 1347 (2001) · 2 pages including 2 figures. In proceedings of 25ICPS

arxiv created 2001/08/13 · arxiv updated 2009/11/30

Abstract

We study Coulomb drag between two parallel disordered mesoscopic 1D-wires. By numerical ensemble averaging we calculate the statistical properties of the transconductance G21 including its distribution. For wires with mutually uncorrelated disorder potentials we find that the mean value is finite, but with comparable fluctuations so that sign-reversal is possible. For identical disorder potentials the mean value and the fluctuations nare enhanced compared to the case of uncorrelated disorder.

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