Renormalization Group Flow near the Superconformal Points in N=2 Supersymmetric Gauge Theories

Details Renormalization Group Flow near the Superconformal Points in N=2 Supersymmetric Gauge Theories Renormalization Group Flow near the Superconformal Points in N=2 Supersymmetric Gauge Theories

1997-12-05

arxiv.org/abs/hep-th/9712054v2

Prog.Theor.Phys. 100 (1998) 423-436

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, latex, no figure, some references added

Scientific paper

10.1143/PTP.100.423

The behavior of the beta-function of the low-energy effective coupling in the N=2 supersymmetric SU(2) QCD with several massive matter hypermultiplets and in the SU(3) Yang-Mills theory is determined near the superconformal points in the moduli space. The renormalization group flow is unambiguously fixed by looking at limited types of deformation near the superconformal points. It is pointed out that the scaling dimension of the beta-function is controlled by the scaling behavior of moduli parameters and the relation between them is explicitly worked out. Our scaling dimensions of the beta-functions are consistent in part with the results obtained recently by Bilal and Ferrari in a different method for the SU(2) QCD.

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