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Updated: Aug 2, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Nonsingular global string compactifications
1Centre for Particle Theory, Durham University, South Road, Durham, DH1 3LE, United Kingdom.
Abstract:
We consider an exotic "compactification" of spacetime in which there are two infinite extra dimensions, using a global string instead of a domain wall. By having a negative cosmological constant we prove the existence of a nonsingular static solution using a dynamical systems argument. A nonsingular solution also exists in the absence of a cosmological constant with a time-dependent metric. We compare and contrast this solution with the Randall-Sundrum universe and the Cohen-Kaplan spacetime and consider the options of using such a model as a realistic resolution of the hierarchy problem.
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