Inhomogeneity of Spatial Curvature for Inflation

Details Inhomogeneity of Spatial Curvature for Inflation Inhomogeneity of Spatial Curvature for Inflation

1996-06-07

arxiv.org/abs/gr-qc/9606012v1

Phys.Rev.D55:3337-3345,1997

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages, revtex, 6 figures included using epsf

Scientific paper

10.1103/PhysRevD.55.3337

We study how the initial inhomogeneities of the spatial curvature affect the onset of inflation in the closed universe. We consider a cosmological model which contains a radiation and a cosmological constant. In order to treat the inhomogeneities in the closed universe, we improve the long wavelength approximation such that the non-small spatial curvature is tractable in the lowest order. Using the improved scheme, we show how large inhomogeneities of the spatial curvature prevent the occurrence of inflation.

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