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Percolation, quantum tunnelling and the integer Hall effect

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Chalker, J T, Coddington, P D·1988·Journal of Physics C: Solid State Physics

Abstract

A model is introduced for Anderson localisation in the integer quantum Hall regime. The model represents a system with a disordered potential that varies slowly on the scale of the magnetic length, but includes quantum tunnelling and interference effects. Numerical calculations indicate that the localisation length diverges only at the centre of each Landau band. The scaling behaviour near the mobility edge is analysed: results suggest that quantum tunnelling induces crossover at the classical percolation threshold to critical behaviour similar to that found previously for a rapidly varying potential.

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Metadata

Authors
Chalker, J. T., & Coddington, P. D.
Venue
Journal of Physics C: Solid State Physics
Published
1988-05-20
Volume
21
Issue
14
Pages
2665-2679
ISSN
0022-3719 (ISSN-L)
OpenAlex
W2118840193
Cited by
774
References
0
FWCI
3.59
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Percolation, quantum tunnelling and the integer Hall effect. https://app.cochat.ai/papers/10.1088/0022-3719/21/14/008
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Chalker, J. T., & Coddington, P. D. (1988). Percolation, quantum tunnelling and the integer Hall effect. Journal of Physics C: Solid State Physics. https://doi.org/10.1088/0022-3719/21/14/008

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.