A critical cosmological constant from millimeter extra dimensions

@inproceedings{Chen2000ACC,
  title={A critical cosmological constant from millimeter extra dimensions},
  author={Jiunn-Wei Chen and Markus A. Luty and Eduardo Pont{\'o}n},
  year={2000}
}
We consider `brane universe' scenarios with standard-model fields localized on a 3-brane in 6 spacetime dimensions. We show that if the spacetime is rotationally symmetric about the brane, local quantities in the bulk are insensitive to the couplings on the brane. This potentially allows compactifications where the effective 4-dimensional cosmological constant is independent of the couplings on the 3-brane. We consider several possible singularity-free compactification mechanisms, and find that… CONTINUE READING

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