Positive vacuum energy and the N-bound

@article{Bousso2000PositiveVE,
  title={Positive vacuum energy and the N-bound},
  author={R. Bousso},
  journal={Journal of High Energy Physics},
  year={2000},
  volume={2000},
  pages={038-038}
}
  • R. Bousso
  • Published 2000
  • Physics
  • Journal of High Energy Physics
We argue that the total observable entropy is bounded by the inverse of the cosmological constant. This holds for all space-times with a positive cosmological constant, including cosmologies dominated by ordinary matter, and recollapsing universes. The argument involves intermediate steps which may be of interest in their own right. We note that entropy cannot be observed unless it lies both in the past and in the future of the observer's history. This truncates space-time to a diamond-shaped… Expand
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