Infinitely Large New Dimensions
Nima Arkani-Hamed, Savas Dimopoulos, Gia Dvali, Nemanja Kaloper

TL;DR
This paper constructs intersecting brane models in Anti-de-Sitter space with any number of extra dimensions, enabling theories with infinitely large dimensions that address TeV-scale gravity and deviations from Newton's law.
Contribution
It introduces a new class of intersecting brane configurations in AdS space that localize gravity and relate the Planck scale to extra dimensions and curvature radius.
Findings
Reproduces large extra dimension phenomenology with TeV-scale fundamental gravity.
Provides a mechanism for exponential hierarchy between weak and Planck scales.
Models predict sub-millimeter deviations from Newtonian gravity.
Abstract
We construct intersecting brane configurations in Anti-de-Sitter space localizing gravity to the intersection region, with any number of extra dimensions. This allows us to construct two kinds of theories with infinitely large new dimensions, TeV scale quantum gravity and sub-millimeter deviations from Newton's Law. The effective 4D Planck scale is determined in terms of the fundamental Planck scale and the radius of curvature via the familiar relation ; acts as an effective radius of compactification for gravity on the intersection. Taking TeV and sub-mm reproduces the phenomenology of theories with large extra dimensions. Alternately, taking , and placing our 3-brane a distance away from the intersection gives us a theory with an exponential…
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Taxonomy
TopicsStructural Analysis and Optimization
