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M-theory and gauged supergravities

Roest, D., Feb-2005, In : Fortschritte der physik-Progress of physics. 53, 2, p. 119-230 112 p.

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We present a pedagogical discussion of the emergence of gauged supergravities from M-theory. First, a review of maximal supergravity and its global symmetries and supersymmetric solutions is given. Next, different procedures of dimensional reduction are explained: reductions over a torus, a group manifold and a coset manifold and reductions with a twist. Emphasis is placed on the consistency of the truncations, the resulting gaugings and the possibility to generate field equations without an action. Using these techniques, we construct a number of gauged maximal supergravities in diverse dimensions with a string or M-theory origin. One class consists of the CSO gaugings, which comprise the analytic continuations and group contractions of SO(n) gaugings. We construct the corresponding half-supersymmetric domain walls and discuss their uplift to D- and M-brane distributions. Furthermore, a number of gauged maximal supergravities are constructed that do not have an action. (C) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Original languageEnglish
Pages (from-to)119-230
Number of pages112
JournalFortschritte der physik-Progress of physics
Volume53
Issue number2
Publication statusPublished - Feb-2005

    Keywords

  • M-theory, supergravity, compactification, SUPER P-BRANES, HOMOGENEOUS COSMOLOGICAL MODELS, NON-COMPACT GAUGINGS, II STRING THEORY, ADS(7) X S(4), DOMAIN-WALLS, N=8 SUPERGRAVITY, ODD DIMENSIONS, SELF-DUALITY, SPONTANEOUS COMPACTIFICATION

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