Radion stabilization with(out) Gauss-Bonnet interactions and inflation

Details Radion stabilization with(out) Gauss-Bonnet interactions and inflation Radion stabilization with(out) Gauss-Bonnet interactions and inflation

2006-03-02

arxiv.org/abs/hep-th/0603014v2

Phys.Rev.D73:105018,2006

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, 4 figures, references added, to appear in Physical Review D

Scientific paper

10.1103/PhysRevD.73.105018

Radion stabilization is analyzed in 5-dimensional models with branes in the presence of Gauss-Bonnet interactions. The Goldberger-Wise mechanism is considered for static and inflating backgrounds. The necessary and sufficient conditions for stability are given for the static case. The influence of the Gauss-Bonnet term on the radion mass and the inter-brane distance is analyzed and illustrated by numerical examples. The interplay between the radion stabilization and the cosmological constant problem is discussed.

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