New LRS perfect-fluid cosmological models

Details New LRS perfect-fluid cosmological models New LRS perfect-fluid cosmological models

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987cqgra...4.1449s&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 4, Sept. 1, 1987, p. 1449-1455.

Mathematics

Logic

1

Astronomical Models, Cosmology, Einstein Equations, Ideal Fluids, Space-Time Functions, Symmetry, Anisotropy, Conservation Laws, Fluid Logic

Scientific paper

Starting from locally rotationally symmetric perfect-fluid metrics, and by making an appropriate Kerr-Schild transformation, new metrics of the same type are systematically obtained. It is shown that the solution of the field equations can be given explicitly or can be reduced to a simple quadrature. It is noted that the present metrics may be used to generalize the well behaved previously known cosmological solutions, and that many of the Kerr-Schild metrics include special FRW models.

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