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Statistics of conductances and subleading corrections to scaling near the integer quantum Hall plateau transition

Obuse, H. ; Bera, S. ; Ludwig, A. W. W. ; Gruzberg, I. A. ; Evers, Ferdinand


We study the critical behavior near the integer quantum Hall plateau transition by focusing on the multifractal (MF) exponents Xq describing the scaling of the disorder-average moments of the point contact conductance T between two points of the sample, within the Chalker-Coddington network model. Past analytical work has related the exponents Xq to the MF exponents $\Delta_q$ of the local ...


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