Bulk versus brane running couplings

Details Bulk versus brane running couplings Bulk versus brane running couplings

2001-10-04

arxiv.org/abs/hep-th/0110051v1

Phys.Rev.D65:065012,2002

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, no figures, REVTeX4

Scientific paper

10.1103/PhysRevD.65.065012

A simplified higher dimensional Randall-Sundrum-like model in 6 dimensions is considered. It has been observed previously by Goldberger and Wise that in such a self-interacting scalar theory on the bulk with a conical singularity there is mixing of renormalization of 4d brane couplings with that of the bulk couplings. We study the influence of the running bulk couplings on the running of the 4d brane couplings. We find that bulk quantum effects may completely alter the running of brane couplings. In particular, the structure of the Landau pole may be drastically altered and non-asymptotically free running may turn into asymptotically safe (or free) behavior.

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