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KaluzaKlein supergravity on AdS_3 x S^3  Hermann Nicolai
; Henning Samtleben
;  Date: 
20 Jun 2003  Journal:  JHEP 0309 (2003) 036  Subject:  hepth  Abstract:  We construct a ChernSimons 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 spin1 KaluzaKlein 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 BroutEnglertHiggs effect.  Source:  arXiv, hepth/0306202  Services:  Forum  Review  PDF  Favorites 


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