Supersymmetric Vacua in N=2 Supergravity

Details Supersymmetric Vacua in N=2 Supergravity Supersymmetric Vacua in N=2 Supergravity

2012-04-17

arxiv.org/abs/1204.3893v1

Physics

High Energy Physics

High Energy Physics - Theory

14 pages

Scientific paper

We use the embedding tensor formalism to analyse maximally symmetric backgrounds of N=2 gauged supergravities which have the full N=2 supersymmetry. We state the condition for N=2 vacua and discuss some of their general properties. We show that if the gauged isometries leave the SU(2) R-symmetry invariant, then the N=2 vacuum must be Minkowski. This implies that there are no AdS backgrounds with eight unbroken supercharges in six-dimensional SU(3) x SU(3) structure compactifications of type II string theory and M-theory. Combined with previous results on N=1 vacua, we show that there exist N=2 supergravities with a given set of gauged Abelian isometries that have both N=2 and N=1 vacua. We also argue that an analogue of our analysis holds in five and six spacetime dimensions.

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