Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-05-23
Physics
High Energy Physics
High Energy Physics - Theory
11 pages, no figures
Scientific paper
We show the instability of two self-tuning brane world models with gauge invariant linear perturbation theory. This general method confirms a known instability of the original model with vanishing bulk potential. We also show the dynamical instability of a recently proposed self-tuning "smooth" brane model and its limit, the Randall-Sundrum model. Astonishingly, we also find instability under purely gravitational perturbations.
Diemand Jürg
Mathys Ch.
Wyler Daniel
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