Linear Models for Flux Vacua

Details Linear Models for Flux Vacua Linear Models for Flux Vacua

2006-11-08

arxiv.org/abs/hep-th/0611084v1

Adv.Theor.Math.Phys.12:817-851,2008

Physics

High Energy Physics

High Energy Physics - Theory

30 pages, latex

Scientific paper

We construct worldsheet descriptions of heterotic flux vacua as the IR limits of N=2 gauge theories. Spacetime torsion is incorporated via a 2d Green-Schwarz mechanism in which a doublet of axions cancels a one-loop gauge anomaly. Manifest (0,2) supersymmetry and the compactness of the gauge theory instanton moduli space suggest that these models, which include Fu-Yau models, are stable against worldsheet instanton effects, implying that they, like Calabi-Yaus, may be smoothly extended to solutions of the exact beta functions. Since Fu-Yau compactifications are dual to KST-type flux compactifications, this provides a microscopic description of these IIB RR-flux vacua.

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