The return of the four- and five-dimensional preons

Details The return of the four- and five-dimensional preons The return of the four- and five-dimensional preons

2007-05-18

arxiv.org/abs/0705.2778v3

Class.Quant.Grav.24:4429-4438,2007

Physics

High Energy Physics

High Energy Physics - Theory

10 pages (a minor imprecision has been corrected)

Scientific paper

10.1088/0264-9381/24/17/010

We prove the existence of 3/4-BPS preons in four- and five-dimensional gauged
supergravities by explicitly constructing them as smooth quotients of the AdS_4
and AdS_5 maximally supersymmetric backgrounds, respectively. This result
illustrates how the spacetime topology resurrects a fraction of supersymmetry
previously ruled out by the local analysis of the Killing spinor equations.

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