arXiv:1003.5914hep-ph
Vanishing Dimensions and Planar Events at the LHC
Early discovery. Linked by one identifiable commenter. This paper is outside the main ranking; a mention is not an endorsement.
Abstract
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.
The gory details are apparently in these two papers. I'm not a physicist so they're pretty opaque to me. http://arxiv.org/abs/1003.5914 http://arxiv.org/abs/1102.3434
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