No metastable de Sitter vacua in N=2 supergravity with only hypermultiplets

Details No metastable de Sitter vacua in N=2 supergravity with only hypermultiplets No metastable de Sitter vacua in N=2 supergravity with only hypermultiplets

2008-12-04

arxiv.org/abs/0812.0884v1

JHEP 0902:003,2009

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, Latex, no figures

Scientific paper

10.1088/1126-6708/2009/02/003

We study the stability of vacua with spontaneously broken supersymmetry in N=2 supergravity theories with only hypermultiplets. Focusing on the projection of the scalar mass matrix along the sGoldstino directions, we are able to derive a universal upper bound on the lowest mass eigenvalue. This bound only depends on the gravitino mass and the cosmological constant, but not on the details of the quaternionic manifold spanned by the scalar fields. Comparing with the Breitenlohner-Freedman bound shows that metastability requires the cosmological constant to be smaller than a certain negative critical value. Therefore, only AdS vacua with a sufficiently negative cosmological constant can be stable, while Minkowski and dS vacua necessarily have a tachyonic direction.

Affiliated with

Also associated with

No associations

Rating

No metastable de Sitter vacua in N=2 supergravity with only hypermultiplets does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with No metastable de Sitter vacua in N=2 supergravity with only hypermultiplets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and No metastable de Sitter vacua in N=2 supergravity with only hypermultiplets will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-135668