A Toy Model for Open Inflation

Details A Toy Model for Open Inflation A Toy Model for Open Inflation

1998-07-27

arxiv.org/abs/hep-ph/9807493v3

Phys.Rev.D59:023503,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 4 figures, revtex, a discussion of density perturbations is extended

Scientific paper

10.1103/PhysRevD.59.023503

The open inflation scenario based on the theory of bubble formation in the models of a single scalar field suffered from a fatal defect. In all the versions of this scenario known so far, the Coleman-De Luccia instantons describing the creation of an open universe did not exist. We propose a simple one-field model where the CDL instanton does exist and the open inflation scenario can be realized.

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