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Friedman equations from flat FRW universe line element

  1. Aug 30, 2008 #1
    I would like some help in calculating the basic Friedman equations starting from the flat FRW universe line element, Once I have calculated the Christoffel symbols for this metric how do i get to the Friedman equation, any link to a good book will be really helpful, thanks, seetesh.
  2. jcsd
  3. Aug 30, 2008 #2


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    Are you familiar with the Einstein Field Equations? The Friedmann equation comes from the 0-0 component.
  4. Aug 31, 2008 #3


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    Like Cristo said, it's the 00 component of Einstein equation so you will have to calculate

    [tex] R_{00} - \frac{1}{2} g_{00} R [/tex]

    and set this equal to the zeroth component of the stress energy momentum tensor times 8 pi G
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