Geometric Engineering of Seiberg-Witten Theories with Massive Hypermultiplets
Abstract
We analyze the geometric engineering of the N=2 SU(2) gauge theories with 1≤ Nf≤ 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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