I am trying to understand FRW universe. To do so I am following the link below:(adsbygoogle = window.adsbygoogle || []).push({});

http://www.phys.washington.edu/users/dbkaplan/555/lecture_04.pdf

I am confused at equation 74. I got R00 but for Rij part I am always getting a[itex]\ddot{a}[/itex]. I am trying to solve it for k =0.

Can some please expand the Rij calculation from basics?

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# Ricci Tensor of FRW

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