New Supersymmetric Vacua for N=4, D=4 Gauged Supergravity

Details New Supersymmetric Vacua for N=4, D=4 Gauged Supergravity New Supersymmetric Vacua for N=4, D=4 Gauged Supergravity

1998-01-08

arxiv.org/abs/hep-th/9801038v3

Phys.Lett. B429 (1998) 304-312

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, Latex, v1: one reference and an important note added, v2: minor text modifications to incorporate more references, (

Scientific paper

10.1016/S0370-2693(98)00463-8

In this paper we obtain supersymmetric brane-like configurations in the vacuum of N=4 gauged $SU(2)\times SU(2)$ supergravity theory in four spacetime dimensions. Almost all of these vacuum solutions preserve either half or one quarter of the supersymmetry in the theory. We also study the solutions in presence of nontrivial axionic and gauge field backgrounds. In the case of pure gravity with axionic charge the geometry of the spacetime is $AdS_3\times R^1$ with N=1 supersymmetry. An interesting observation is that the domain walls of this theory cannot be given an interpretation of a 2-brane in four dimensions. But it still exists as a stable vacuum. This feature is quite distinct from the domain-wall configuration in massive type IIA supergravity in ten dimensions.

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