Embedding gravitational radiation in cosmological models

Details Embedding gravitational radiation in cosmological models Embedding gravitational radiation in cosmological models

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333...64h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 333, Oct. 1, 1988, p. 64-67.

Statistics

Computation

4

Astronomical Models, Field Theory (Physics), Gravitational Waves, Asymptotic Methods, Computational Astrophysics, Gravitational Fields

Scientific paper

The embedding of gravitational radiation with clearly identifiable wave fronts in cosmological models involves the identification, in the cosmological model, of a naturally occurring null coordinate, so that the null hypersurface u = constant might be used, asymptotically, as the histories of the wave fronts. New forms are presented here of the open Friedmann-Lemaitre-Robertson-Walker models and of the open Kantowski-Sachs models, in coordinate systems based upon naturally occurring hypersurface-orthogonal, null geodesic congruences in these spacetimes. Their suitability for use in embedding gravitational radiation in these universes is discussed.

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