Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-03-30
Physics
High Energy Physics
High Energy Physics - Phenomenology
v1: 5 pages revtex, 1 eps figure; v2: includes extensive discussion on violation of Lorentz invariance, featured in a Nature e
Scientific paper
We propose that the effective dimensionality of the space we live in depends on the length scale we are probing. As the length scale increases, new dimensions open up. At short scales the space is lower dimensional; at the intermediate scales the space is three-dimensional; and at large scales, the space is effectively higher dimensional. This setup allows for some fundamental problems in cosmology, gravity, and particle physics to be attacked from a new perspective. The proposed framework, among the other things, offers a new approach to the cosmological constant problem and results in striking collider phenomenology and may explain elongated jets observed in cosmic-ray data.
Anchordoqui Luis
Dai de Chang
Fairbairn Malcolm
Landsberg Greg
Stojkovic Dejan
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