Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 11, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP11(2017)084
Keywords
Differential and Algebraic Geometry; Supergravity Models; Superstring Vacua; Superstrings and Heterotic Strings
Categories
Funding
- ILP LABEX [ANR-10-LABX-63]
- project QHNS in the program ANR Blanc SIMI5 of Agence National de la Recherche
- EPSRC programme [EP/K034456/1]
- STFC [ST/L00044X/1]
- ANR [ANR-11-IDEX-0004-02]
- EPSRC [EP/E031064/1, EP/K034456/1] Funding Source: UKRI
- STFC [ST/P000762/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E031064/1, EP/K034456/1] Funding Source: researchfish
- Science and Technology Facilities Council [ST/P000762/1] Funding Source: researchfish
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We consider compactifications of type IIA superstring theory on mirror-folds obtained as K3 fibrations over two-tori with non-geometric monodromies involving mirror symmetries. At special points in the moduli space these are asymmetric Gepner models. The compactifications are constructed from non-geometric automorphisms that arise from the diagonal action of an automorphism of the K3 surface and of an automorphism of the mirror surface. We identify the corresponding gaugings of N = 4 supergravity in four dimensions, and show that the minima of the potential describe the same four-dimensional low-energy physics as the worldsheet formulation in terms of asymmetric Gepner models. In this way, we obtain a class of Minkowski vacua of type II string theory which preserve N = 2 supersymmetry. The massless sector consists of N = 2 supergravity coupled to 3 vector multiplets, giving the STU model. In some cases there are additional massless hypermultiplets.
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