Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-12-19
Phys.Lett. B560 (2003) 91-97
Physics
High Energy Physics
High Energy Physics - Theory
10 pages
Scientific paper
10.1016/S0370-2693(03)00301-0
We show that in the Randall-Sundrum model the Casimir energy of bulk gauge fields (or any of their supersymmetric relatives) has contributions that depend logarithmically on the radion. These contributions satisfactorily stabilize the radion, generating a large hierarchy of scales without fine-tuning. The logarithmic behaviour can be understood, in a 4D holographic description, as the running of gauge couplings with the infrared cut-off scale.
Garriga Jaume
Pomarol Alex
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