Abstract

Intertube conductance of double-wall carbon nanotubes with impurities is numerically studied. Its length dependence for various impurities is scaled by a mean free path. The intertube conductance exhibits drastic linear increase with the tube length and takes a maximum around at the localization length. The maximum conductance is much smaller than the conductance quantum ${e}^{2}∕\ensuremath{\pi}\ensuremath{\hbar}$.

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