Journal
GENERAL RELATIVITY AND GRAVITATION
Volume 34, Issue 9, Pages 1445-1459Publisher
KLUWER ACADEMIC/PLENUM PUBL
DOI: 10.1023/A:1020087004012
Keywords
Inflationary Universe; closed model
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If the spatial curvature of the universe is positive, then the curvature term will always dominate at early enough times in a slow-rolling inflationary epoch. This enhances inflationary effects and hence puts limits on the possible number of e-foldings that can have occurred, independently of what happened before inflation began and in particular without regard for what may have happened in the Planck era. We use a simple multi-stage model to examine this limit as a function of the present density parameter Omega(0) and the epoch when inflation ends.
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