- #1
Rev Prez
- 29
- 0
Looking at the Friedman solution for a fluid with a given pressure and energy density, we have:
[tex]H^2 = \left(\frac{\dot{a}}{a}\right)^2 = \frac{8 \pi G}{3}\rho + \frac{\Lambda}{3} - \frac{k}{a^2}[/tex]
Would someone mind walking me through how we arrive at a?
Rev Prez
[tex]H^2 = \left(\frac{\dot{a}}{a}\right)^2 = \frac{8 \pi G}{3}\rho + \frac{\Lambda}{3} - \frac{k}{a^2}[/tex]
Would someone mind walking me through how we arrive at a?
Rev Prez