Conservation laws for cosmological perturbations

Details Conservation laws for cosmological perturbations Conservation laws for cosmological perturbations

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ijtp...36.2461d&link_type=abstract

International Journal of Theoretical Physics, Volume 36, Issue 11, pp.2461-2468

Physics

1

Scientific paper

We briefly recall the problem of defining conserved quantities such as energy in general relativity, and the solution given by introducing a symmetric background. We apply the general formalism to perturbed Robertson-Walker spacetimes with de Sitter geometry as background. We relate the obtained conserved quantities to Traschen's integral constraints and mention a few applications in cosmology.

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