In this question we are working with the density parameters Q. Assume A = 0 and...
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In this question we are working with the density parameters Q. Assume A = 0 and k 0. %3D Moreover consider a matter-dominated universe. The aim is to rewrite the field equations in such that the density parameter is given by a function of the redshift z, somewhat similar to the distance-redshift relations we studied. To arrive at the desired equations, please follow these guiding steps: 1. Solve the first field equation for k to find a relation between 2, 20, H, Ho, p, po· 2. Integrate the conservation equation to find p(a) and thus p(z). 3. You should now be able to find H(z). 4. Finally this should give 2(z). Hubble function H = Ho(1+ z)/1+ a Qoz where a = Density parameter 2 = (1+ z)Qo/(1 + B 2oz) where ß %3D In this question we are working with the density parameters Q. Assume A = 0 and k 0. %3D Moreover consider a matter-dominated universe. The aim is to rewrite the field equations in such that the density parameter is given by a function of the redshift z, somewhat similar to the distance-redshift relations we studied. To arrive at the desired equations, please follow these guiding steps: 1. Solve the first field equation for k to find a relation between 2, 20, H, Ho, p, po· 2. Integrate the conservation equation to find p(a) and thus p(z). 3. You should now be able to find H(z). 4. Finally this should give 2(z). Hubble function H = Ho(1+ z)/1+ a Qoz where a = Density parameter 2 = (1+ z)Qo/(1 + B 2oz) where ß %3D
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Related Book For
Microeconomics An Intuitive Approach with Calculus
ISBN: 978-0538453257
1st edition
Authors: Thomas Nechyba
Posted Date:
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