Instability of thick brane worlds

Details Instability of thick brane worlds Instability of thick brane worlds

2003-05-17

arxiv.org/abs/hep-th/0305150v3

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, 2 figures

Scientific paper

We examined 5d thick brane worlds constructed by a real scalar field. The
solutions are obtained in terms of a simple form of smooth warp factor. For the
case of dS brane, we found a disease of the solutions. For example, it is
impossible to construct thick-brane worlds with our simple smoothing. This
result is independent of supersymmetry or other symmetries.

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