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Fluctuating Hall resistance defeats the quantized Hall insulator
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UNSPECIFIED (2004) Fluctuating Hall resistance defeats the quantized Hall insulator. EUROPHYSICS LETTERS, 66 (1). pp. 104-110. doi:10.1209/epl/i2003-10148-5 ISSN 0295-5075.
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Official URL: http://dx.doi.org/10.1209/epl/i2003-10148-5
Abstract
Using the Chalker-Coddington network model as a drastically simplified, but universal model of integer quantum Hall physics, we investigate the plateau-to-insulator transition at strong magnetic field by means of a real-space renormalization approach. Our results suggest that for a fully quantum coherent situation, the quantized Hall insulator with RH approximate to h/e(2) is observed up to R-L similar to 25h/e(2) when studying the most probable value of the distribution function P(R-H). Upon further increasing R-L --> infinity, the Hall insulator with diverging Hall resistance R-H proportional to R-L(k) is seen. The crossover between these two regimes depends on the precise nature of the averaging procedure.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | EUROPHYSICS LETTERS | ||||
Publisher: | E D P SCIENCES | ||||
ISSN: | 0295-5075 | ||||
Official Date: | April 2004 | ||||
Dates: |
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Volume: | 66 | ||||
Number: | 1 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 104-110 | ||||
DOI: | 10.1209/epl/i2003-10148-5 | ||||
Publication Status: | Published |
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