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Journal Article

Kaluza-Klein supergravity on AdS3 x S3

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

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Citation

Nicolai, H., & Samtleben, H. (2003). Kaluza-Klein supergravity on AdS3 x S3. Journal of High Energy Physics, 2003(9): 036. doi:10.1088/1126-6708/2003/09/036.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-52B2-E
Abstract
We construct a Chern-Simons type gauged N=8 supergravity in three spacetime dimensions with gauge group SO(4) x T_\infty over the infinite dimensional coset space SO(8,\infty)/(SO(8) x SO(\infty)), where T_\infty is an infinite dimensional translation subgroup of SO(8,\infty). This theory describes the effective interactions of the (infinitely many) supermultiplets contained in the two spin-1 Kaluza-Klein towers arising in the compactification of N=(2,0) supergravity in six dimensions on AdS3 x S3 with the massless supergravity multiplet. After the elimination of the gauge fields associated with T_\infty, one is left with an Yang Mills type gauged supergravity with gauge group SO(4), and in the vacuum the symmetry is broken to the (super-)isometry group of AdS3 x S3, with infinitely many fields acquiring masses by a variant of the Brout-Englert-Higgs effect.