Transmission through quantum networks

Details Transmission through quantum networks Transmission through quantum networks

2000-06-30

arxiv.org/abs/cond-mat/0006494v1

Phys. Rev. B 62, R16294 (2000)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 EPS figures

Scientific paper

10.1103/PhysRevB.62.R16294

We propose a simple formalism to calculate the conductance of any quantum network made of one-dimensional quantum wires. We apply this method to analyze, for two periodic systems, the modulation of this conductance with respect to the magnetic field. We also study the influence of an elastic disorder on the periodicity of the AB oscillations and we show that a recently proposed localization mechanism induced by the magnetic field resists to such a perturbation. Finally, we discuss the relevance of this approach for the understanding of a recent experiment on GaAs/GaAlAs networks.

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