Counting Pockets with World Lines in Eternal Inflation

Details Counting Pockets with World Lines in Eternal Inflation Counting Pockets with World Lines in Eternal Inflation

2005-11-08

arxiv.org/abs/astro-ph/0511233v3

JCAP 0603:016,2006

Astronomy and Astrophysics

Astrophysics

16 pages, 9 figures, added references, minor elaboration on a few points to match published version

Scientific paper

10.1088/1475-7516/2006/03/016

We consider the long standing puzzle of how to obtain meaningful probabilities in eternal inflation. We demonstrate a new algorithm to compute the probability distribution of pocket universe types, given a multivacua inflationary potential. The computed probability distribution is finite and manifestly gauge-independent. We argue that in some scenarios this technique can be applied to disfavor some eternally inflating potentials.

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