General Relativity and Gravitation

, Volume 28, Issue 2, pp 163–177 | Cite as

Progressing wave perturbations of cosmological spacetimes

  • W. E. Couch
  • R. J. Torrence


We determine the large class of Robertson-Walker spacetimes whose first-order, linear, isentropic perturbations can be expressed in closed form, and the closed form perturbations are written down. It is shown that the class includes several well-known spacetimes including, for example, spatially flat dust and the radiation filled universe.


Radiation Dust Closed Form Large Class Differential Geometry 
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Copyright information

© Plenum Publishing Corporation 1996

Authors and Affiliations

  • W. E. Couch
    • 1
  • R. J. Torrence
    • 1
  1. 1.Department of Mathematics & StatisticsUniversity of CalgaryCalgaryCanada

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