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PERCOLATION, QUANTUM TUNNELLING AND THE INTEGER HALL-EFFECT

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 classica...

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Publication status:
Published

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Publisher copy:
10.1088/0022-3719/21/14/008

Authors


CHALKER, J More by this author
CODDINGTON, P More by this author
Journal:
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS
Volume:
21
Issue:
14
Pages:
2665-2679
Publication date:
1988-05-20
DOI:
ISSN:
0022-3719
URN:
uuid:4a6e3a4c-4530-4b37-97f0-7d46ba495ad1
Source identifiers:
167350
Local pid:
pubs:167350
Language:
English

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