Consistent reductions from D=11 beyond Sasaki-Einstein

Colgain, Eoin 'O; Varela, Oscar

doi:10.1016/j.physletb.2011.07.063

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Consistent reductions from D=11 beyond Sasaki-Einstein

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

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1106.4781
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Colgain, E. '., & Varela, O. (2011). Consistent reductions from D=11 beyond Sasaki-Einstein. Physics Letters B, 703(2), 180-185. doi:10.1016/j.physletb.2011.07.063.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-0448-1

Abstract

The most general class of warped AdS5 x M6 supersymmetric solutions in D=11 supergravity permit a consistent truncation to D=5 N=2 minimal gauged supergravity. Here we extend this truncation, for a particular subclass of M6 manifolds, to D=5 N=4 gauged supergravity coupled to two vector multiplets. We obtain the reduction ansatz by T-duality of a recently discussed type IIB truncation on a generic Sasaki-Einstein five-fold, which becomes non-trivial in D=11 and displays non-standard features due to the G-structure of the internal M6. Using this truncation, we construct two new classes of warped and unwarped non-supersymmetric AdS5 M-theory backgrounds. We also comment on possible extensions of the reduction ansatz to the general class of M6 geometries.