Perturbations of Friedmann-Robertson-Walker cosmological models

Details Perturbations of Friedmann-Robertson-Walker cosmological models Perturbations of Friedmann-Robertson-Walker cosmological models

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990cqgra...7.1169s&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 7, July 1990, p. 1169-1180.

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Astronomical Models, Cosmology, Perturbation Theory, Space-Time Functions, Computational Astrophysics, Covariance, Mathematical Models, Tensors

Scientific paper

Gauge-invariant perturbations of the standard FRW homogeneous isotropic space-time are developed analytically. The concept of space-time perturbation is introduced; the covariant decomposition of tensor fields is explained; and particular attention is given to perturbations of geometry, matter perturbations, and perturbations of Minkowski space-time. Explicit expressions for the curvature tensors in the preferred gauges are provided in an appendix.

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