Solitonic perturbations of perfect fluid Friedmann-Robertson-Walker cosmological models

Details Solitonic perturbations of perfect fluid Friedmann-Robertson-Walker cosmological models Solitonic perturbations of perfect fluid Friedmann-Robertson-Walker cosmological models

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987cqgra...4l..23d&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 4, March 1, 1987, p. L23-L28.

Mathematics

Logic

14

Astronomical Models, Big Bang Cosmology, Ideal Fluids, Solitary Waves, Inverse Scattering, Perturbation Theory, Space-Time Functions

Scientific paper

A prescription for the application of the inverse scattering generation technique of Belinskii and Zakharov (1978; 1979) to perfect fluid cosmological seed solutions is given in the context of a five-dimensional Kaluza-Klein formalism. As an example, a two-soliton metric generated from a Friedmann-Robertson-Walker background with a perfect fluid which follows a general gamma-law equation of state is presented. The resulting solution becomes asymptotically the background for large times.

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