Abstract
We study a class of orientifold compactifications of type IIB supergravity with fluxes down to 4D in connection with truncations of half-maximal gauged supergravities yielding isotropic STU-models with minimal supersymmetry. In this context, we make use of a group-theoretical approach in order to derive flux-induced superpotentials for different IIB backgrounds. We first review the toroidal case yielding GKP-like superpotentials characterised by their no-scale behaviour. We then turn to S 3 × S 3 and S 3 × \( {\mathbb{T}}^3 \), which, surprisingly, give rise to effective descriptions of non-geometric Q- and P -fluxes through globally geometric non-toroidal compactifications. As a consequence, such constructions break the no-scale symmetry without invoking any non-perturbative effects.
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ArXiv ePrint: 1507.04476
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Danielsson, U., Dibitetto, G. Type IIB on S 3 × S 3 through Q & P fluxes. J. High Energ. Phys. 2016, 57 (2016). https://doi.org/10.1007/JHEP01(2016)057
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DOI: https://doi.org/10.1007/JHEP01(2016)057