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The integrable sl(2/1) superspin chain and the spin quantum hall effect

Abstract:

The analysis of network models - either directly or by numerical studies of related quantum spin chains with super group symmetry - allows to gain insights into the delocalization transition of non-interacting two-dimensional electrons with disorder. Critical exponents determined this way are an important step towards the identification of the conformal field theory (CFT) describing the universal physics at the transition. To collect more information on the universal properties integrable ver...

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Journal:
Advances in Solid State Physics
Volume:
45
Pages:
185-196
Publication date:
2005-01-01
ISSN:
1438-4329
URN:
uuid:05ac1abf-15ed-4564-95b1-eeb6cec9744d
Source identifiers:
365431
Local pid:
pubs:365431
Language:
English

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