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Toroidal compactification of heterotic 6D non-critical strings down to four dimensions. (English) Zbl 0925.81239
Summary: The low-energy limit of the 6D non-critical string theory with \(N=1\) SUSY and \(E_8\) chiral current algebra compactified on \(T^2\) is generically an \(N=2 \) U(1) vector multiplet. We study the analog of the Seiberg-Witten solution for the low-energy effective action as a function of \(E_8\) Wilson lines on the compactified torus and the complex modulus of that torus. The moduli space includes regions where the Seiberg-Witten curves for SU(2) QCD are recovered as well as regions where the newly discovered 4D theories with enhanced \(E_{6,7,8}\) global symmetries appear.

81T30 String and superstring theories; other extended objects (e.g., branes) in quantum field theory
83E30 String and superstring theories in gravitational theory
Full Text: DOI arXiv
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