F-Theory Uplifts and GUTs
Journal Article
·
· JHEP 0909:053,2009
We study the F-theory uplift of Type IIB orientifold models on compact Calabi-Yau threefolds containing divisors which are del Pezzo surfaces. We consider two examples defined via del Pezzo transitions of the quintic. The first model has an orientifold projection leading to two disjoint O7-planes and the second involution acts via an exchange of two del Pezzo surfaces. The two uplifted fourfolds are generically singular with minimal gauge enhancements over a divisor and, respectively, a curve in the non-Fano base. We study possible further degenerations of the elliptic fiber leading to F-theory GUT models based on subgroups of E{sub 8}.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 992460
- Report Number(s):
- SLAC-PUB-13654; arXiv:0906.0013; TRN: US1007890
- Journal Information:
- JHEP 0909:053,2009, Journal Name: JHEP 0909:053,2009
- Country of Publication:
- United States
- Language:
- English
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