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Onset of inflation in inhomogeneous cosmology

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 15 Sep 1997Embargo end date: 01 Jan 1996 English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 56, pages 3,216-3,224 (issn: 0556-2821, eissn: 1089-4918,

Authors: Osamu Iguchi; Hideki Ishihara;

doi: 10.1103/physrevd.56.3216 , 10.48550/arxiv.gr-qc/9611047

arXiv: http://arxiv.org/abs/gr-qc/9611047

Onset of inflation in inhomogeneous cosmology

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Abstract

We study how the initial inhomogeneities of the universe affect the onset of inflation in the closed universe. We consider the model of a chaotic inflation which is driven by a massive scalar field. In order to construct an inhomogeneous universe model, we use the long wavelength approximation ( the gradient expansion method ). We show the condition of the inhomogeneities for the universe to enter the inflationary phase.

22 pages including 12 eps figures, RevTex

Related Organizations

Institute of Science Tokyo
Japan

Keywords

FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology

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