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Etude des phenomenes critiques a l'aide des theories des champs conformes: des systemes desordonnes aux theories parafermioniques

Abstract : We have considered a particular conformal model, called WD3, where the disorder effects are non trivial and can be studied analytically. In a renormalisation group approach, we have determined the infrared limit of this model with bond disorder and we have studied the associated problem of N coupled models. A particular attention has been paid to analyse the restauration of the permutational symmetry.

Then, we have constructed the unknown representations of a class of parafermionic chiral algebras which realise the ciclic symmetry ZN. It is natural to associate the correspondent theories to the multi-critical points of the statistical models with symmetry ZN.
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https://tel.archives-ouvertes.fr/tel-00004302
Contributor : Raoul Santachiara <>
Submitted on : Sunday, January 25, 2004 - 1:11:17 PM
Last modification on : Thursday, December 10, 2020 - 10:52:46 AM
Long-term archiving on: : Friday, April 2, 2010 - 8:03:43 PM

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  • HAL Id : tel-00004302, version 1

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Raoul Santachiara. Etude des phenomenes critiques a l'aide des theories des champs conformes: des systemes desordonnes aux theories parafermioniques. Physique mathématique [math-ph]. Université Pierre et Marie Curie - Paris VI, 2003. Français. ⟨tel-00004302⟩

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