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International Journal of Theoretical Physics

, Volume 36, Issue 11, pp 2461–2468 | Cite as

Conservation laws for cosmological perturbations

  • Nathalie Deruelle
  • Jean-Philippe Uzan
Article

Abstract

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.

Keywords

Physical Review Killing Vector Minkowski Spacetime Surface Term Christoffel Symbol 
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Copyright information

© Plenum Publishing Corporation 1997

Authors and Affiliations

  • Nathalie Deruelle
    • 1
    • 2
  • Jean-Philippe Uzan
    • 1
  1. 1.Département d'Astrophysique Relativiste et de Cosmologie, UPR 176 du Centre National de la Recherche ScientifiqueObservatoire de ParisMeudonFrance
  2. 2.DAMTPUniversity of CambridgeCambridgeEngland

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