Quantum conductance fluctuations in 3d ballistic adiabatic wires

Falko, Vladimir and Lesovik, G. B. (1992) Quantum conductance fluctuations in 3d ballistic adiabatic wires. Solid State Communications, 84 (8). pp. 835-837. ISSN 0038-1098

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We predict quantum conductance fluctuations in three-dimensional (3D) adiabatic wires rising from fluctuations in the energy spectrum of size-quantized electron motion across the channel. These fluctuations could be observed as random oscillations in the voltage dependence of the differential conductance dI/dV or the magnetic field dependence. They obey Poisson or Wigner-Dyson statistics depending on the cross sectional shape of the wire and can have an amplitude which exceeds the universal e2/h value.

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Journal Article
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Solid State Communications
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05 Sep 2012 16:52
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21 Sep 2023 01:22