Abstract
Type IIB flux vacua based on Landau-Ginzburg models without Kähler deformations provide fully-controlled insights into the non-geometric and strongly-coupled string landscape. We show here that supersymmetric flux configurations at the Fermat point of the 19 model, which were found long-time ago to saturate the orientifold tadpole, leave a number of massless fields, which however are not all flat directions of the superpotential at higher order. More generally, the rank of the Hessian of the superpotential is compatible with a suitably formulated tadpole conjecture for all fluxes that we found. Moreover, we describe new infinite families of supersymmetric 4d \( \mathcal{N} \) = 1 Minkowski and AdS vacua and confront them with several other swampland conjectures.
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Becker, K., Gonzalo, E., Walcher, J. et al. Fluxes, vacua, and tadpoles meet Landau-Ginzburg and Fermat. J. High Energ. Phys. 2022, 83 (2022). https://doi.org/10.1007/JHEP12(2022)083
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DOI: https://doi.org/10.1007/JHEP12(2022)083