Radiative stabilization of warped space

Details Radiative stabilization of warped space Radiative stabilization of warped space

2004-09-30

arxiv.org/abs/hep-ph/0409355v2

JHEP 0411:024,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, 2 figures

Scientific paper

10.1088/1126-6708/2004/11/024

Higher-dimensional field theory has been applied to explore various issues in recent particle physics such as the gauge hierarchy problem. In order for such approaches to be viable, a crucial ingredient is to fix the sizes of extra dimensions at some finite values, which sizes are generically free parameters in the theory. In this paper, we present several schemes to determine the radius of extra dimension in warped five-dimensional theory. In every case, a non-vanishing Fayet-Iliopoulos term for abelian gauge factor plays a crucial role for the radius stabilization. It is radiatively generated in the presence of charged matter fields and the compactification is therefore spontaneous, not forced by selected operators. The low-energy supersymmetry is broken or unbroken, and the radius can be fixed to give a small or large scale hierarchy without any fine tuning of parameters. We also discuss a model of the radius stabilization correlated with Yukawa hierarchy and supersymmetry breaking.

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