Thursday, 25 October 2018

cosmology - The initial conditions of the CMB spectrum


The CMB spectrum shows the intensity of fluctuation at a certain angular scale:


Power spectrum


The achievement is the correspondence between the predicted power spectrum and the observed one.


My question is as follows:


Isn't the prediction terribly dependent on the initial conditions/the pattern of acoustic oscillations at that exact moment? Since the maxima correspond to modes caught, at that particular moment, at their oscillation extrema.




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