Can geodesics in extra dimensions solve the cosmological horizon problem

@article{Chung2000CanGI,
  title={Can geodesics in extra dimensions solve the cosmological horizon problem},
  author={D. J. Chung and K. Freese},
  journal={Physical Review D},
  year={2000},
  volume={62},
  pages={063513}
}
  • D. J. Chung, K. Freese
  • Published 2000
  • Physics
  • Physical Review D
  • We demonstrate a non-inflationary solution to the cosmological horizon problem in scenarios in which our observable universe is confined to three spatial dimensions (a three-brane) embedded in a higher dimensional space. A signal traveling along an extra-dimensional null geodesic may leave our three-brane, travel into the extra dimensions, and subsequently return to a different place on our three-brane in a shorter time than the time a signal confined to our three-brane would take. Hence, these… CONTINUE READING
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