Dimensionality effects on non-equilibrium electronic transport in Cu nanobridges
D. Beckmann, H. B. Weber, H. v. Löhneysen
Abstract
We report on non-equilibrium electronic transport through normal-metal (Cu) nanobridges coupled to large reservoirs at low temperatures. We observe a logarithmic temperature dependence of the zero-bias conductance, as well as a universal scaling behavior of the differential conductance. Our results are explained by electron-electron interactions in diffusive metals in the zero-dimensional limit.
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