Stiff-matter solitons in cosmology

Details Stiff-matter solitons in cosmology Stiff-matter solitons in cosmology

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.164..309p&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 164, no. 2, Feb. 1990, p. 309-321.

Statistics

Computation

1

Computational Astrophysics, Cosmology, Solitary Waves, Astronomical Models, Einstein Equations, Evolution (Development), Inverse Scattering, Partial Differential Equations, Relativity

Scientific paper

The inverse scattering technique (IST) of Belinskii and Zakharov (1978, 1980) is applicable in space-times with two commuting killing vector fields where the Ricci tensor has a vanishing projection over the subspace spanned by the killing vectors. Attention is presently given to stiff-matter cosmologies constructed with the IST, using a technique that converts vacuum to stiff-matter solutions in such a way as to allow the presence of solitons in the fluid potential as well as in the metric. Stiff-matter cosmologies can be regarded as models of early universal evolution.

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