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Towards Functional Flows for Hierarchical Models
The recursion relations of hierarchical models are studied and contrasted with functional renormalisation group equations in corresponding approximations. The formalisms are compared quantitatively for the Ising universality class, where the spectrum of universal eigenvalues at criticality is studie...
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| Lenguaje: | eng |
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2007
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.76.105001 http://cds.cern.ch/record/1029828 |