Open Inflation with Arbitrary False Vacuum Mass

Details Open Inflation with Arbitrary False Vacuum Mass Open Inflation with Arbitrary False Vacuum Mass

1995-03-21

arxiv.org/abs/hep-ph/9503393v1

Phys.Rev. D52 (1995) 5538-5548

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages and 3 figures. (Uses phyzzx macro.)

Scientific paper

10.1103/PhysRevD.52.5538

We calculate the power spectrum of adiabatic density perturbations in an open inflationary model in which inflation occurs in two stages. First an epoch of old inflation creates a large, smooth universe, solving the horizon and homogeneity problems. Then an open universe emerges through the nucleation of a single bubble, with constant density hypersurfaces inside the bubble having constant negative spatial curvature. An epoch of `slow roll' inflation, shortened to give $\Omega _0<1$ today, occurs within the bubble, which contains our entire observable universe. In this paper we compute the resulting density perturbations in the same `new thin wall' approximation used in a previous paper, but for an arbitrary positive mass of the inflaton field in the false vacuum.

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