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Advances in High Energy Physics
Volume 2011 (2011), Article ID 404691, 18 pages
http://dx.doi.org/10.1155/2011/404691
Research Article

Discrete Wilson Lines in F-Theory

School of Theoretical Physics, Dublin Institute for Advanced Studies, 10 Burlington Road, Dublin 4, Ireland

Received 15 May 2011; Accepted 3 July 2011

Academic Editor: Yang-Hui He

Copyright © 2011 Volker Braun. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

F-theory models are constructed where the 7 -brane has a nontrivial fundamental group. The base manifolds used are a toric Fano variety and a smooth toric threefold coming from a reflexive polyhedron. The discriminant locus of the elliptically fibered Calabi-Yau fourfold can be chosen such that one irreducible component is not simply connected (namely, an Enriques surface) and supports a non-Abelian gauge theory.