Noncompact Gaugings From Higher Dimensions
Apr 5, 198820 pages
Published in:
- Class.Quant.Grav. 5 (1988) 1517
Report number:
- Print-88-0264 (CERN),
- IMPERIAL-TH/87-88/17
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Abstract: (IOP)
The N=8 supergravity theories in four (and five) dimensions with non-compact gauge groups are obtained from eleven- (and ten-) dimensional supergravities in backgrounds with non-compact internal spaces. The SO(p,q) gaugings are obtained by a consistent truncation of the higher-dimensional supergravity in a background that is a warped product of a four- (or five-) dimensional Einstein space with the hyperboloid Hp,q (i.e. the surface (z1)2+. . .+(zp)2-(zp+1)2-. . . -(zp+q)2=r2). For the non-semisimple CSO (p,q,r) gaugings Hp,q is replaced by the 'cylinder' Hp,q*Rr. These backgrounds are solutions of the higher-dimensional field equations precisely when the lower-dimensional supergravity has a SO(p)*SO(q) invariant vacuum solution. The mode analysis and massive spectra in these backgrounds are briefly considered.- SUPERGRAVITY
- FIELD THEORY: HIGHER-DIMENSIONAL
- FIELD THEORY: DIMENSIONAL REDUCTION
- GAUGE FIELD THEORY: SO(N,M)
- FIELD EQUATIONS: SOLUTION
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