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Random walks and Anderson localization in a three-dimensional class C network model.

Abstract:

We study the disorder-induced localization transition in a three-dimensional network model that belongs to symmetry class C. The model represents quasiparticle dynamics in a gapless spin-singlet superconductor without time-reversal invariance. It is a special feature of network models with this symmetry that the conductance and density of states can be expressed as averages in a classical system of dense, interacting random walks. Using this mapping, we present a more precise numerical study ...

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Publication status:
Published

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Authors


Ortuño, M More by this author
Somoza, AM More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
Physical review letters
Volume:
102
Issue:
7
Pages:
070603
Publication date:
2009-02-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:34530abf-fcf5-49f7-8f04-0af6488afd7e
Source identifiers:
18187
Local pid:
pubs:18187
Language:
English
Keywords:

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