Warped Compactification with a Four-Brane.

  • Hayakawa Shoko
    Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
  • Izawa Ken-Iti
    Department of Physics, University of Tokyo, Tokyo 113-0033, Japan Research Center for the Early Universe, University of Tokyo, Tokyo 113-0033 Japan

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Warped compactification of a six-dimensional bulk with a negative cosmological constant is realized using a 4-brane along with an abelian gauge theory. We find that no fine tuning of couplings is needed to obtain a vanishing cosmological constant in four dimensions, just as in the case of a bulk with a positive cosmological constant.

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