Running Inflation

Details Running Inflation Running Inflation

1997-02-03

arxiv.org/abs/hep-ph/9702224v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages. Standard Latex file, no figures, big bubble problem added. slight changes

Scientific paper

A first order inflation model where a gauge coupling constant runs as the universe inflates is investigated. This model can solve the graceful-exit problem within Einstein gravity by varying the bubble formation rate. The sufficient expansion condition gives group theoretical constraints on the inflaton field, while the appropriate density perturbation requires an additional scalar field or cosmic strings.

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