Propagation of gravitational waves in Robertson-Walker backgrounds

Details Propagation of gravitational waves in Robertson-Walker backgrounds Propagation of gravitational waves in Robertson-Walker backgrounds

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985gregr..17..599j&link_type=abstract

General Relativity and Gravitation (ISSN 0001-7701), vol. 17, June 1985, p. 599-612.

Computer Science

5

Cosmology, Electric Fields, Gravitational Waves, Space-Time Functions, Wave Equations, Wave Propagation, Differential Equations, Ideal Fluids, Tensor Analysis

Scientific paper

It is shown that the electric part of the Weyl tensor of gravitational waves in a Robertson-Walker (RW) background can be obtained by application of a differential operator to the solutions of the homogeneous equations: it follows that electric-type radiation can propagate without backscattering in the same RW backgrounds that allow propagation of magnetic-type radiation. A summary of the linearized Newman-Penrose equations used to analyze the problem is given, and the results of a complete integration for all first order quantities are given in a table.

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