Inhomogeneous de Sitter Solution with Scalar Field and Perturbations Spectrum

Details Inhomogeneous de Sitter Solution with Scalar Field and Perturbations Spectrum Inhomogeneous de Sitter Solution with Scalar Field and Perturbations Spectrum

2004-04-07

arxiv.org/abs/gr-qc/0404031v1

Mod.Phys.Lett. A19 (2004) 1281-1290

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, no figures, to appear on Mod.Phys.Lett. A

Scientific paper

10.1142/S0217732304014057

We provide an inhomogeneous solution concerning the dynamics of a real self interacting scalar field minimally coupled to gravity in a region of the configuration space where it performs a slow rolling on a plateau of its potential. During the inhomogeneous de Sitter phase the scalar field dominant term is a function of the spatial coordinates only. This solution specialized nearby the FLRW model allows a classical origin for the inhomogeneous perturbations spectrum.

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