Geometric Engineering of Seiberg-Witten Theories with Massive Hypermultiplets

Details Geometric Engineering of Seiberg-Witten Theories with Massive Hypermultiplets Geometric Engineering of Seiberg-Witten Theories with Massive Hypermultiplets

2002-12-02

arxiv.org/abs/hep-th/0212020v2

Nucl.Phys. B674 (2003) 3-36

Physics

High Energy Physics

High Energy Physics - Theory

35 pages, 3 figures, (v2) clarifying comments, additional references

Scientific paper

10.1016/j.nuclphysb.2003.09.033

We analyze the geometric engineering of the N=2 SU(2) gauge theories with $1\leq N_f\leq 3$ massive hypermultiplets in the vector representation. The set of partial differential equations satisfied by the periods of the Seiberg-Witten differential is obtained from the Picard-Fuchs equations of the local B-model. The differential equations and its solutions are consistent with the massless case. We show that the Yukawa coupling of the local A-model gives rise to the correct instanton expansion in the gauge theory, and propose the pattern of the distribution of the world-sheet instanton number from it. As a side result, we obtain the asymptotic form of the instanton number in the gauge theories with massless hypermultiplets.

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