Long gravitational waves in a closed universe

Details Long gravitational waves in a closed universe Long gravitational waves in a closed universe

Dec 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975zhetf..69.1857g&link_type=abstract

Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki, vol. 69, Dec. 1975, p. 1857-1871. In Russian.

Astronomy and Astrophysics

Astronomy

11

Astronomical Models, Cosmology, Gravitational Waves, Evolution (Development), Metric Space, Universe, Vacuum

Scientific paper

The role of long gravitational waves in the evolution of a homogeneous closed universe (model G3 IX in the Bianchi classification) is investigated. The metric of this model can be represented as the sum of the background metric which describes the unsteady space of constant positive curvature and a set of components which can be viewed as the set of gravitational waves of maximum length consistent with the closed nature of the space. The behavior of these long gravitational waves can be traced at all the stages of their evolution, from the stage when the contribution of gravitational wave pressure and energy density to the dynamics of the background universe is negligible to the state when this contribution is significant.

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