Running with the Radius in RS1

Details Running with the Radius in RS1 Running with the Radius in RS1

2002-09-05

arxiv.org/abs/hep-th/0209050v2

Phys.Rev.D67:024036,2003

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 2 figures

Scientific paper

10.1103/PhysRevD.67.024036

We derive a renormalization group formalism for the Randall-Sundrum scenario, where the renormalization scale is set by a floating compactification radius. While inspired by the AdS/CFT conjecture, our results are derived concretely within higher-dimensional effective field theory. Matching theories with different radii leads to running hidden brane couplings. The hidden brane Lagrangian consists of four-dimensional local operators constructed from the induced value of the bulk fields on the brane. We find hidden Lagrangians which are non-trivial fixed points of the RG flow. Calculations in RS1 can be greatly simplified by ``running down'' the effective theory to a small radius. We demonstrate these simplifications by studying the Goldberger-Wise stabilization mechanism. In this paper, we focus on the classical and tree-level quantum field theory of bulk scalar fields, which demonstrates the essential features of the RG in the simplest context.

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