Inflation in spherically symmetric inhomogeneous models

Details Inflation in spherically symmetric inhomogeneous models Inflation in spherically symmetric inhomogeneous models

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvd..35.2345s&link_type=abstract

Physical Review D (Particles and Fields), Volume 35, Issue 8, 15 April 1987, pp.2345-2351

Physics

38

Exact Solutions, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

Exact analytical solutions of Einstein's equations are found for a spherically symmetric inhomogeneous metric in the presence of a massless scalar field with a flat potential. The process of isotropization and homogenization is studied in detail. It is found that the time dependence of the metric becomes de Sitter for large times. Two cases are studied. The first deals with a homogeneous scalar field, while the second deals with a spherically symmetric inhomogeneous scalar field. In the former case the metric is of the Robertson-Walker form, while the latter is intrinsically inhomogeneous.

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