Bulk fields in the Randall-Sundrum compactification scenario

@article{Goldberger1999BulkFI,
  title={Bulk fields in the Randall-Sundrum compactification scenario},
  author={Walter D. Goldberger and Mark B. Wise},
  journal={Physical Review D},
  year={1999},
  volume={60},
  pages={107505}
}
Recently, Randall and Sundrum proposed a solution to the hierarchy problem where the background spacetime is five dimensional. There are two 3-branes, and the mass scale for fields that propagate on one of the 3-branes is exponentially suppressed relative to the fundamental scale of the theory, which is taken to be the Planck mass MPl. In this Brief Report we show that bulk fields with a five dimensional mass term of order MPl have, after integrating over the extra dimension, modes with four… 

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