The Wilson Renormalization Group Approach of the Principal Chiral Model around Two Dimensions

Details The Wilson Renormalization Group Approach of the Principal Chiral Model around Two Dimensions The Wilson Renormalization Group Approach of the Principal Chiral Model around Two Dimensions

1998-05-29

arxiv.org/abs/hep-th/9805210v1

Phys.Rev. B59 (1999) 6006-6009

Physics

High Energy Physics

High Energy Physics - Theory

4 pages

Scientific paper

10.1103/PhysRevB.59.6006

We study the Principal Chiral Ginzburg-Landau-Wilson model around two dimensions within the Local Potential Approximation of an Exact Renormalization Group equation. This model, relevant for the long distance physics of classical frustrated spin systems, exhibits a fixed point of the same universality class that the corresponding Non-Linear Sigma model. This allows to shed light on the long-standing discrepancy between the different perturbative approaches of frustrated spin systems.

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