Recent advances in F-theory compactifications
We review recent progress in the construction of F-theory compactifications on elliptically fibered Calabi-Yau 4-folds. Of special importance is the resolution of the singularities in complex codimension one, two and three. These encode 7-branes along holomorphic divisors carrying non-abelian gauge...
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| 1. Verfasser: | |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
13 March 2012
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| In: |
Fortschritte der Physik
Year: 2012, Jahrgang: 60, Heft: 7/8, Pages: 835-846 |
| ISSN: | 1521-3978 |
| DOI: | 10.1002/prop.201200032 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1002/prop.201200032 Verlag, Volltext: http://onlinelibrary.wiley.com/doi/10.1002/prop.201200032/abstract 
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| Verfasserangaben: | Timo Weigand |
MARC
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| 520 | |a We review recent progress in the construction of F-theory compactifications on elliptically fibered Calabi-Yau 4-folds. Of special importance is the resolution of the singularities in complex codimension one, two and three. These encode 7-branes along holomorphic divisors carrying non-abelian gauge groups, localised matter at the intersection of pairs of 7-branes and Yukawa interactions, respectively. Toric methods admit the explicit construction of a large class of resolved 4-folds. In particular the matter surfaces and interaction points can be analysed in great detail via resolution by blow-up. Engineering chiral matter spectra requires non-trivial gauge bundles described as certain types of G4-fluxes. The recent construction of such fluxes paves the way for globally defined 3-generation models e.g. of SU(5) GUT type, possibly including extra U(1) factors. | ||
| 650 | 4 | |a F-theory | |
| 650 | 4 | |a string compactifications. | |
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