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Symmetry breaking, duality and fine-tuning in hierarchical spin models
Journal article   Open access

Symmetry breaking, duality and fine-tuning in hierarchical spin models

J.J Godina, Y Meurice, S Niermann and M.B Oktay
Nuclear physics. Section B, Proceedings supplement, Vol.83(1-3), pp.703-705
2000
DOI: 10.1016/S0920-5632(00)91781-X

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Abstract

We discuss three questions related to the critical behavior of hierarchical spin models: 1) the hyperscaling relations in the broken symmetry phase; 2) the combined use of dual expansions to calculate non-universal quantities; 3) the fine-tuning issue in approximately supersymmetric models.

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