Weak gravitation waves in vacuum and in media: Taking nonlinearity into account

Details Weak gravitation waves in vacuum and in media: Taking nonlinearity into account Weak gravitation waves in vacuum and in media: Taking nonlinearity into account

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994phrvd..49.6512e&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 49, Issue 12, 15 June 1994, pp.6512-6520

Mathematics

Logic

6

Wave Propagation And Interactions, Origin And Formation Of The Universe

Scientific paper

The relevance of the nonlinear nature of gravity waves has been pointed out, in the astrophysical context, in recent publications by Christodoulou and by Thorne, who studied the nonlinear contribution to the memory effect. In the cosmological context, the role of nonlinearity has been discovered by Salopek, who studied the evolution of the primordial cosmological perturbations. In this article, we use the weak-field approximation to derive, in the perturbative approach, the wave equation for pure gravity waves with nonlinear correction terms.

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