U-Manifolds
arXiv:hep-th/9611007 · doi:10.1016/S0370-2693(97)00108-1
Abstract
We use non-perturbative U-duality symmetries of type II strings to construct new vacuum solutions. In some ways this generalizes the F-theory vacuum constructions. We find the possibilities of new vacuum constructions are very limited. Among them we construct new theories with N=2 supersymmetry in 3-dimensions and (1, 1) supersymmetry in 2-dimensions.
11 pages, minor changes in references and text (version to appear in Phys. Lett. B)
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