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09 July 2020
  » arxiv » hep-th/0306202

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Kaluza-Klein supergravity on AdS_3 x S^3
Hermann Nicolai ; Henning Samtleben ;
Date 20 Jun 2003
Journal JHEP 0309 (2003) 036
Subject hep-th
AbstractWe 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 AdS_3 x S^3 with the massless supergravity multiplet. After the elimination of the gauge fields associated with T_infty, one is left with a Yang Mills type gauged supergravity with gauge group SO(4), and in the vacuum the symmetry is broken to the (super-)isometry group of AdS_3 x S^3, with infinitely many fields acquiring masses by a variant of the Brout-Englert-Higgs effect.
Source arXiv, hep-th/0306202
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