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Conductance fluctuations at the integer quantum Hall plateau transition

Sora Cho·Matthew P. A. Fisher
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Abstract

We study numerically conductance fluctuations near the integer quantum Hall effect plateau transition. The system is presumed to be in a mesoscopic regime, with phase coherence length comparable to the system size. We focus on a two-terminal conductance G for square samples, considering both periodic and open boundary conditions transverse to the current. At the plateau transition, G is broadly distributed, with a distribution function close to uniform on the interval between zero and one in units of e^2/h. Our results are consistent with a recent experiment by Cobden and Kogan on a mesoscopic quantum Hall effect sample.

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Sora Cho, Matthew P. A. Fisher. 1996-11-13. Conductance fluctuations at the integer quantum Hall plateau transition. https://doi.org/10.1103/physrevb.55.1637

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