Non-Critical Superstrings from Four-Dimensional Gauge Theory

Details Non-Critical Superstrings from Four-Dimensional Gauge Theory Non-Critical Superstrings from Four-Dimensional Gauge Theory

2005-07-07

arxiv.org/abs/hep-th/0507075v1

JHEP 0511 (2005) 001

Physics

High Energy Physics

High Energy Physics - Theory

75 pages, 5 figures

Scientific paper

10.1088/1126-6708/2005/11/001

We study large-N double-scaling limits of U(N) gauge theories in four dimensions. We focus on theories in a partially confining phase where an abelian subgroup $\hat{G}$ of the gauge group remains unconfined. Double-scaling is defined near critical points in the parameter/moduli space where states charged under $\hat{G}$ become massless. In specific cases, we present evidence that the double-scaled theory is dual to a non-critical superstring background. Models studied include the $\beta$-deformation of ${\cal N}=4$ SUSY Yang-Mills which leads to a non-critical string theory with sixteen supercharges. We also study ${\cal N}=1$ SUSY Yang-Mills theory coupled to a single chiral superfield with a polynomial superpotential which leads to a related string theory with eight supercharges. In both cases the string coupling is small and the background is free from Ramond-Ramond flux.

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