Fractal Conductance Fluctuations of Classical Origin

Details Fractal Conductance Fluctuations of Classical Origin Fractal Conductance Fluctuations of Classical Origin

2007-05-29

arxiv.org/abs/0705.4296v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures, to appear in PRE

Scientific paper

10.1103/PhysRevE.76.015202

In mesoscopic systems conductance fluctuations are a sensitive probe of electron dynamics and chaotic phenomena. We show that the conductance of a purely classical chaotic system with either fully chaotic or mixed phase space generically exhibits fractal conductance fluctuations unrelated to quantum interference. This might explain the unexpected dependence of the fractal dimension of the conductance curves on the (quantum) phase breaking length observed in experiments on semiconductor quantum dots.

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