Electron-Electron scattering and resistivity of ballistic multimode channels

Details Electron-Electron scattering and resistivity of ballistic multimode channels Electron-Electron scattering and resistivity of ballistic multimode channels

2011-10-12

arxiv.org/abs/1110.2607v2

Phys. Rev. B 85, 165404 (2012)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures; published version

Scientific paper

10.1103/PhysRevB.85.165404

We show that electron--electron scattering gives a positive contribution to
the resistivity of ballistic multimode wires whose width is much smaller than
their length. This contribution is not exponentially small at low temperatures
and therefore may be experimentally observable. It scales with temperature as
$T^2$ for three-dimensional channels and as $T^{5/2}$ for two-dimensional ones.

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