All null supersymmetric backgrounds of N=2, D=4 gauged supergravity coupled to abelian vector multiplets

Details All null supersymmetric backgrounds of N=2, D=4 gauged supergravity coupled to abelian vector multiplets All null supersymmetric backgrounds of N=2, D=4 gauged supergravity coupled to abelian vector multiplets

2009-02-24

arxiv.org/abs/0902.4186v2

Class.Quant.Grav.26:145018,2009

Physics

High Energy Physics

High Energy Physics - Theory

55 pages, uses JHEP3.cls. v2: Minor errors corrected, small changes in introduction

Scientific paper

10.1088/0264-9381/26/14/145018

The lightlike supersymmetric solutions of N=2, D=4 gauged supergravity coupled to an arbitrary number of abelian vector multiplets are classified using spinorial geometry techniques. The solutions fall into two classes, depending on whether the Killing spinor is constant or not. In both cases, we give explicit examples of supersymmetric backgrounds. Among these BPS solutions, which preserve one quarter of the supersymmetry, there are gravitational waves propagating on domain walls or on bubbles of nothing that asymptote to AdS_4. Furthermore, we obtain the additional constraints obeyed by half-supersymmetric vacua. These are divided into four categories, that include bubbles of nothing which are asymptotically AdS_4, pp-waves on domain walls, AdS_3 x R, and spacetimes conformal to AdS_3 times an interval.

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