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arXiv · hep-th/0510049

Non-Abelian Brane Worlds: The Heterotic String Story

Ralph Blumenhagen·Gabriele Honecker·Timo Weigand
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Abstract

We discuss chiral supersymmetric compactifications of the SO(32) heterotic string on Calabi-Yau manifolds equipped with direct sums of stable bundles with structure group U(n). In addition we allow for non-perturbative heterotic five-branes. These models are S-dual to Type I compactifications with D9- and D5-branes, which by themselves are mirror symmetric to general intersecting D6-brane models. For the construction of concrete examples we consider elliptically fibered Calabi-Yau manifolds with SU(n) bundles given by the spectral cover construction. The U(n) bundles are obtained via twisting by line bundles. We present a four-generation Pati-Salam and a three-generation Standard-like model.

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Ralph Blumenhagen, Gabriele Honecker, Timo Weigand. 2005-10-13. Non-Abelian Brane Worlds: The Heterotic String Story. https://doi.org/10.1088/1126-6708%2F2005%2F10%2F086

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