IIB supergravity and E10

Kleinschmidt, Axel; Nicolai, Hermann

doi:10.1016/j.physletb.2004.12.006

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IIB supergravity and E10

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Kleinschmidt, Axel
Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society;

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Nicolai, Hermann
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Kleinschmidt, A., & Nicolai, H. (2005). IIB supergravity and E10. Physics Letters B, 606(3-4), 391-402. doi:10.1016/j.physletb.2004.12.006.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-4E9A-1

Abstract

We analyse the geodesic E10/K(E10) sigma-model in a level decomposition w.r.t. the A8xA1 subalgebra of E10, adapted to the bosonic sector of type IIB supergravity, whose SL(2,R) symmetry is identified with the A1 factor. The bosonic supergravity equations of motion, when restricted to zeroth and first order spatial gradients, are shown to match with the sigma-model equations of motion up to level four. Remarkably, the self-duality of the five-form field strength is implied by E10 and the matching.