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Robertson-walker metric

  1. Sep 21, 2007 #1
    This metric is often written in an alternative form, here called the curvature normalized way. Unfortunately I can't follow how they rewrite it, could someone hint me how it is done or tell me a text where it is shown in more detail?

  2. jcsd
  3. Sep 21, 2007 #2


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    Science Advisor

    The derivation is straightforward once you know that [tex]sin^{-1}[/tex] means arcsin there.
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