Maximal D=2 supergravities from higher dimensions

Axel Kleinschmidt; Franz Ciceri; Gianluca Inverso; Guillaume Bossard

Maximal D=2 supergravities from higher dimensions

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arxiv 2309.07232 v2 pith:YGJPYNKY submitted 2023-09-13 hep-th

Guillaume Bossard , Franz Ciceri , Gianluca Inverso , Axel Kleinschmidt This is my paper · ORCID

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keywords supergravitiesgaugedmaximaldimensionssupergravityadmitapplicationbosonic

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abstract

We develop in detail the general framework of consistent Kaluza-Klein truncations from D=11 and type II supergravities to gauged maximal supergravities in two dimensions. In particular, we unveil the complete bosonic dynamics of all gauged maximal supergravities that admit a geometric uplift. Our construction relies on generalised Scherk-Schwarz reductions of E$_9$ exceptional field theory. The application to the reduction of D=11 supergravity on $S^8\times S^1$ to SO(9) gauged supergravity is presented in a companion paper.

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Integrable deformations of dimensionally reduced gravity
hep-th 2025-02 conditional novelty 6.0 of 10

Auxiliary field and Yang-Baxter deformations of D=2 dimensionally reduced gravity are shown to admit flat Lax representations, with the auxiliary field case preserving the Hamiltonian integrability structure.

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