Evolution of Perturbations
Part of the UNITEXT for Physics book series (UNITEXTPH)
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In this Chapter we solve exactly some of the equations that we found in Chap. 4, using some approximations. In particular, we can distinguish 4 cases of evolution:
for which it is possible to perform analytic calculations and thus gain a clearer physical insight.
On super-horizon scales,
In the matter-dominated epoch,
In the radiation-dominated epoch,
Deep inside the horizon,
KeywordsMatter-dominated Epoch Super-horizon Scales Clear Physical Insight Matter Power Spectrum Matter Density Contrast
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