N=2 supergravity models with stable de Sitter vacua

Details N=2 supergravity models with stable de Sitter vacua N=2 supergravity models with stable de Sitter vacua

2003-01-06

arxiv.org/abs/hep-th/0301024v1

Class.Quant.Grav. 20 (2003) S487-S493

Physics

High Energy Physics

High Energy Physics - Theory

Prepared for Workshop on the Quantum Structure of Spacetime and the Geometric Nature of Fundamental Interactions, Leuven, Belg

Scientific paper

10.1088/0264-9381/20/12/314

In the present talk I shall review the construction of N=2 supergravity models exhibiting stable de Sitter vacua. These solutions represent the first instance of stable backgrounds with positive cosmological constant in the framework of extended supergravities (N >=2). After briefly reviewing the role of de Sitter space--times in inflationary cosmology, I shall describe the main ingredients which were necessary for the construction of gauged N=2 supergravity models admitting stable solutions of this kind.

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