We describe a new approach to heterotic Calabi-Yau model building, based on the systematic construction of vector bundles with Abelian structure groups. Starting with a relatively small number of Calabi-Yau manifolds, about 400 models with the exact matter spectrum of the supersymmet-ric standard model are found in this way. The additional, normally anomalous U(1) symmetries which arise in these models place strong constraints on the allowed four-dimensional operators and can lead to interesting phenomenological consequences, some of which we discuss.
|Journal||Proceedings of Science|
|State||Published - 1 Dec 2011|
|Event||Corfu Summer Institute "School and Workshops on Elementary Particle Physics and Gravity", CORFU 2011 - Corfu, Greece|
Duration: 4 Sep 2011 → 18 Sep 2011