Evolution of high-frequency gravitational waves in some cosmological models
classification
🌀 gr-qc
keywords
high-frequencywavescosmologicalevolutiongravitationalmodelssomeanisotropic
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We investigate Isaacson's high-frequency gravitational waves which propagate in some relevant cosmological models, in particular the FRW spacetimes. Their time evolution in Fourier space is explicitly obtained for various metric forms of (anti--)de Sitter universe. Behaviour of high-frequency waves in the anisotropic Kasner spacetime is also described.
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