Two-dimensional Yang-Mills theory and moduli spaces of holomorphic differentials

L. Griguolo, D. Seminara, R. J. Szabo

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We describe and solve a double scaling limit of large N Yang-Mills theory on a two-dimensional torus. We find the exact strong-coupling expansion in this limit and describe its relation to the conventional Gross-Taylor series. The limit retains only the chiral sector of the full gauge theory and the coefficients of the expansion determine the asymptotic Hurwitz numbers, in the limit of infinite winding number, for simple branched coverings of a torus. These numbers are computed exactly from the gauge theory vacuum amplitude and shown to coincide with the volumes of the principal moduli spaces of holomorphic differentials. The string theory interpretation of the double scaling limit is also described. © 2004 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)275-286
Number of pages12
JournalPhysics Letters B
Volume600
Issue number3-4
DOIs
Publication statusPublished - 28 Oct 2004

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