de-Sitter vacua via consistent D-terms

Details de-Sitter vacua via consistent D-terms de-Sitter vacua via consistent D-terms

2005-08-23

arxiv.org/abs/hep-th/0508167v3

Phys.Rev.Lett.95:231602,2005

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 1 figure, v3: published version

Scientific paper

10.1103/PhysRevLett.95.231602

We introduce a new mechanism for producing locally stable de-Sitter or Minkowski vacua, with spontaneously broken N=1 supersymmetry and no massless scalars, applicable to superstring and M-theory compactifications with fluxes. We illustrate the mechanism with a simple N=1 supergravity model that provides parametric control on the sign and the size of the vacuum energy. The crucial ingredient is a gauged U(1) that involves both an axionic shift and an R-symmetry, and severely constrains the F- and D-term contributions to the potential.

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