Generation of Gravitational Waves in de Sitter Space-Time

Details Generation of Gravitational Waves in de Sitter Space-Time Generation of Gravitational Waves in de Sitter Space-Time

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001rfg..conf..359r&link_type=abstract

REFERENCE FRAMES AND GRAVITOMAGNETISM. Proceedings of the XXIII Spanish Relativity Meeting. Held 6-9 September 2000 in Valladoli

Physics

Scientific paper

We study the generation of gravitational radiation by sources moving in the de Sitter background. A gauge is chosen in which all the physical and unphysical modes of the graviton correspond to minimally coupled massless scalar fields in de Sitter space-time and massless scalar fields in Minkowski space-time. The graviton retarded Green's function is obtained in this gauge using quantum field theory techniques. We obtain closed formulas for the spectral decomposition in frequencies of the linearized gravitational field produced by the source in terms of a suitable spectral decomposition of the source energy-momentum tensor.

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