### Abstract

In this paper we consider the implications of a cosmological constant for the evolution of the universe, under a set of assumptions motivated by the holographic and horizon complementarity principles. We discuss the "causal patch" description of spacetime required by this framework, and present some simple examples of cosmologies described this way. We argue that these assumptions inevitably lead to very deep paradoxes, which seem to require major revisions of our usual assumptions.

Original language | English (US) |
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Pages (from-to) | 239-258 |

Number of pages | 20 |

Journal | Journal of High Energy Physics |

Volume | 6 |

Issue number | 10 |

State | Published - Oct 1 2002 |

### Keywords

- Black Holes in String Theory
- Physics of the Early Universe

### ASJC Scopus subject areas

- Nuclear and High Energy Physics

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## Cite this

Dyson, L., Kleban, M., & Susskind, L. (2002). Disturbing implications of a cosmological constant.

*Journal of High Energy Physics*,*6*(10), 239-258.