Eternal inflation without quantum gravity

Preprint

25 November 2002

preprint
Published by arXiv in arXiv

Abstract

We argue that inflation can be past-infinite, and that furthermore, the quantum gravity regime can be avoided. We present 3 classes of such universes, where there is no horizon problem and cosmological dynamics are governed by Einstein's theory throughout the history of the universe. One class of models is ever-expanding but has bounded redshift. In another class, the vacuum energy has its current value in the early universe.

Keywords

ETERNAL INFLATION
BOUNDED REDSHIFT
QUANTUM GRAVITY
HORIZON PROBLEM
EARLY UNIVERSE
NO HORIZON
INFLATION
VACUUM

All Related Versions

Version 1, 2002-11-25, ArXiv
Version 2, 2003-06-12, ArXiv
Version 3, 2003-08-11, ArXiv
Version 4, 2003-10-25, ArXiv
Published version: Classical and Quantum Gravity, 21 (1), 223.

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