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arxiv: 1410.8823 · v2 · submitted 2014-10-31 · ✦ hep-th

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Uplifting non-compact gauged supergravities

Walter H. Baron , Gianguido Dall'Agata
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classification ✦ hep-th
keywords formnon-compactpotentialupliftansatzbackgroundscasedimensional
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We provide the M-theory uplift of de Sitter vacua of SO(5,3) and SO(4,4) gaugings of maximal supergravity in 4 dimensions. We find new non-compact backgrounds that are squashed hyperboloids with non-trivial flux for the 3-form potential. The uplift requires a new non-linear ansatz for the 11-dimensional metric and for the 3-form potential that reduces to the known one leading to the 7-sphere solution in the case of the SO(8) gauging.

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  1. Maximal trombone supergravity from wrapped M5-branes

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    Certain maximal 4D supergravities with trombone gaugings arise as consistent truncations of 11D supergravity from M5-branes wrapped on supersymmetric three-cycles.