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https://doi.org/10.1007/bf01256494
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Cite Publication Date: Dec 1, 1989 | |
 Citations: 19 |
We establish the existence of the Wilson Renormalised trajectory of theO(N) sigma model in perturbation theory in the “effective charge.” This yields a proof of perturbative renormalisability, and is also relevant in the “small-field” analysis of the rigorous renormalisation group construction of the continuum theory.
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