Stable de Sitter vacua in N=2, D=5 supergravity

Details Stable de Sitter vacua in N=2, D=5 supergravity Stable de Sitter vacua in N=2, D=5 supergravity

2005-02-22

arxiv.org/abs/hep-th/0502202v2

Class.Quant.Grav. 22 (2005) 2359-2380

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, v2:typos corrected, published version

Scientific paper

10.1088/0264-9381/22/12/004

We find 5D gauged supergravity theories exhibiting stable de Sitter vacua. These are the first examples of stable de Sitter vacua in higher-dimensional (D>4) supergravity. Non-compact gaugings with tensor multiplets and R-symmetry gauging seem to be the essential ingredients in these models. They are however not sufficient to guarantee stable de Sitter vacua, as we show by investigating several other models. The qualitative behaviour of the potential also seems to depend crucially on the geometry of the scalar manifold.

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