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arxiv: hep-ph/9308214 · v1 · submitted 1993-08-03 · ✦ hep-ph

Critical Exponents from the Effective Average Action

N. Tetradis , C. Wetterich This is my paper
classification ✦ hep-ph
keywords criticalexponentsactionagreeaveragebehaviourcomputeeffective
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We compute the critical behaviour of three-dimensional scalar theories using a new exact non-perturbative evolution equation. Our values for the critical exponents agree well with previous precision estimates.

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  1. Coarse graining from within: Wilson-Fisher universality on $S^3$

    hep-th 2026-06 unverdicted novelty 7.0

    A spectral cutoff RG flow on S^3 realizes the Wilson-Fisher universality class with one relevant direction and critical exponents close to flat-space values.