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

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

2001-08-13

arxiv.org/abs/cond-mat/0108204v1

Springer Proceedings in Physics 87, 1347 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

2 pages including 2 figures. In proceedings of 25ICPS

Scientific paper

We study Coulomb drag between two parallel disordered mesoscopic 1D-wires. By numerical ensemble averaging we calculate the statistical properties of the transconductance G_21 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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