On Explicit Evaluations Around the Conformal Point in N=2 Supersymmetric Yang-Mills Theories

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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25 pages, LaTeX

Scientific paper

10.1016/S0550-3213(97)00199-5

We show how to give the expression for periods, Higgs field and its dual of N=2 supersymmetric Yang-Mills theory around the conformal point. This is achieved by evaluating the integral representation in the weak coupling region, and by using analytic continuation to the conformal point. The explicit representation is shown for the SU(2) theory with matter fields and also for pure SU(N) and pure SO(2N) theory around the conformal point where the relation to the beta function of the theory is clarified. We also discuss a relation between the fixed points in the SU(2) theories with matter fields and the Landau-Ginzburg point of 2-D N=2 SCFT.

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