The higher-dimensional origin of five-dimensional gauged supergravities
arXiv:2112.03931 · doi:10.1007/JHEP06(2022)003
Abstract
Using exceptional generalised geometry, we classify which five-dimensional gauged supergravities can arise as a consistent truncation of 10-/11-dimensional supergravity. Exceptional generalised geometry turns the classification into an algebraic problem of finding subgroups that preserve exactly two spinors. Moreover, the intrinsic torsion of the structure must contain only constant singlets under , and these, in turn, determine the gauging of the five-dimensional theory. The resulting five-dimensional theories are strongly constrained: their scalar manifolds are necessarily symmetric spaces and only a small number of matter multiplets can be kept, which we completely enumerate. We also determine the largest reductive and compact gaugings that can arise from consistent truncations.
61 pages
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