The universality of the shift of the Chern-Simons parameter for a general class of BRS invariant regularizations
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1993
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Elsevier Science Bv
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Abstract
We consider a biparametric family of BRS invariant regularization methods of SU (N) Chem-Simons theory (the parameters defining the family taking arbitrary values in R2) and show that the one-loop shift k --> k + sign(k) N of the Chern-Simons parameter k occurs for arbitrary values of the family defining parameters. This strongly supports the conjecture that the shift of k is universal for BRS invariant regulators
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Copyright © 1993 Published by Elsevier B.V.
GG was supported by The Commission of the European Communities through contract SC 900376, and FRR by the Dutch Stichting voor Fundamenteel Onderzoek der Materie. The authors also acknowledge partial support from Comisión de Investigación Científica y Técnica, Spain.