The critical O( N) σ-model at dimensions 2 < d < 4: Fusion coefficients and anomalous dimensions

Fusion coefficients and anomalous dimensions of the quasi-primary fields are extracted from the 1 N expansion using representation theory of the conformal group whose formulae are analytically extended to 2 < d < 4.

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Bibliographic Details
Published in:Nuclear physics. B 1993-07, Vol.400 (1), p.597-623
Main Authors: Lang, K., Rühl, W.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Field theory
General theory of fields and particles
Physics
The physics of elementary particles and fields
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Description
Summary:Fusion coefficients and anomalous dimensions of the quasi-primary fields are extracted from the 1 N expansion using representation theory of the conformal group whose formulae are analytically extended to 2 < d < 4.
ISSN:0550-3213
1873-1562
DOI:10.1016/0550-3213(93)90417-N