Proper distance from the FRW metric

  • #1
Plaetean
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Homework Statement


Question:

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Homework Equations



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Dp=R(t)Dc where R(t) is the scale factor, Dc is the comoving distance

The Attempt at a Solution


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I must have tried solving this starting 10 different ways now, starting with the fact that distance=integral over velocity dt, trying to integrate the metric itself with dphi=dtheta=0 and I just can't get anywhere at all.
 
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