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19942005
most citedFinite temperature correlation functions in integrable models: derivation of the semiclassical limit from the formfactor expansion

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cond-mat.str-el1998

Restoration of Symmetry by Interactions and Nonreliability of the Perturbative Renormalization Group Approach

P. Azaria, P. Lecheminant, A. M. Tsvelik

We discuss examples of (1+1)-dimensional models where the perturbative renormalization group (RG) indicates a tendency to restore the symmetry in the strong coupling limit. We show…