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

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

1998-06-08

arxiv.org/abs/cond-mat/9806099v1

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 1 figure

Scientific paper

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 that such restoration does occur sometimes, but
the pertubative RG cannot be reliably used to detect it.

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