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1000 Heterotic Standard Models from Smooth Calabi-Yau Three- folds

Andre Lukas (Oxford U.)

09.02.2012 at 16:15 

We discuss the construction of heterotic standard models based on smooth Calabi-Yau three-folds and bundles with Abelian structure group. A systematic search over certain classes of Calabi-Yau manifolds has so far led to 1000 models with the matter spectrum of the MSSM, the standard model gauge group, one or more pairs of Higgs doublets and no exotics of any kind. We present a database of these models which can be used as the starting point for further phenomenological analysis. The presence of additional U(1) symmetries, together with the possibility of switching on singlet vacuum expectation values, leads to a rich phenomenology which is illustrated for a particular example.

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