Speaker
Dr
Gabriele Honecker
(CERN)
Description
As recently shown, heterotic string compactifications on Calabi-Yau manifolds
admit multiple anomalous U(1)s if the gauge background consists of several
unitary bundles.
Constructions of this type (including 5-branes also) considerably amplify
the (standard) model building options on the one hand, and U(1) bundles
reproduce (blow-ups of) heterotic Abelian orbifold models on the other hand.
Author
Dr
Gabriele Honecker
(CERN)
