Modulus Stabilization with Bulk Fields
Walter D. Goldberger, Mark B. Wise
TL;DR
This paper introduces a mechanism to stabilize the size of extra dimensions in the Randall-Sundrum model using a bulk scalar field with localized interactions, addressing the hierarchy problem without fine tuning.
Contribution
It presents a novel stabilization method for the Randall-Sundrum extra dimension using bulk scalar fields with brane-localized quartic interactions.
Findings
The proposed potential stabilizes the modulus at a value solving the hierarchy problem.
The mechanism does not require fine tuning of parameters.
It provides a natural way to fix the size of the extra dimension.
Abstract
We propose a mechanism for stabilizing the size of the extra dimension in the Randall-Sundrum scenario. The potential for the modulus field that sets the size of the fifth dimension is generated by a bulk scalar with quartic interactions localized on the two 3-branes. The minimum of this potential yields a compactification scale that solves the hierarchy problem without fine tuning of parameters.
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