Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-07-29
Phys.Rev.Lett. 84 (2000) 586-589
Physics
High Energy Physics
High Energy Physics - Theory
4 pages, revtex, no figures
Scientific paper
10.1103/PhysRevLett.84.586
We construct intersecting brane configurations in Anti-de-Sitter space localizing gravity to the intersection region, with any number $n$ 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 $M_{Pl}$ is determined in terms of the fundamental Planck scale $M_*$ and the $AdS$ radius of curvature $L$ via the familiar relation $M_{Pl}^2 \sim M_{*}^{2+n} L^n$; $L$ acts as an effective radius of compactification for gravity on the intersection. Taking $M_* \sim $ TeV and $L \sim $ sub-mm reproduces the phenomenology of theories with large extra dimensions. Alternately, taking $M_* \sim L^{-1} \sim M_{Pl}$, and placing our 3-brane a distance $\sim 100 M_{Pl}^{-1}$ away from the intersection gives us a theory with an exponential determination of the Weak/Planck hierarchy.
Arkani-Hamed Nima
Dimopoulos Savas
Dvali Gia
Kaloper Nemanja
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