Multi-instanton calculus in N=2 supersymmetric QCD

Details Multi-instanton calculus in N=2 supersymmetric QCD Multi-instanton calculus in N=2 supersymmetric QCD

1996-07-10

arxiv.org/abs/hep-th/9607076v2

Phys.Lett. B388 (1996) 331-337

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, LaTeX, The result for $N_f=4$ flavors is added, which does not agree with Seiberg-Witten's result, but does agree wi

Scientific paper

10.1016/S0370-2693(96)01258-0

Microscopic tests of the exact results are performed in N=2 SU(2) supersymmetric QCD. We construct the multi-instanton solution in N=2 supersymmetric QCD and calculate the two-instanton contribution ${\cal F}_2$ to the prepotential ${\cal F}$ explicitly. For $N_f=1,2$, instanton calculus agrees with the prediction of the exact results, however, for $N_f=3$, we find a discrepancy between them.

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