- #1
windy miller
- 301
- 25
There is a prediction I have often hear about regarding inflationary cosmology but I am having trouble grasping what it really means. I am wondering if anyone could give a layman explanation fo the following :
https://arxiv.org/pdf/1312.7619.pdf
"Modes of a given (comoving) wavelength should “freeze out” upon first crossing the Hubble radius during inflation, remain (nearly) constant in amplitude while longer than the Hubble radius, and then resume oscillation upon reentering the Hubble radius. The tem- poral oscillations of modes with nearby wavelengths are therefore coherent [10], giving rise to a sharp pattern of peaks and troughs in the cosmic microwave background (CMB) power spectrum.
https://arxiv.org/pdf/1312.7619.pdf
"Modes of a given (comoving) wavelength should “freeze out” upon first crossing the Hubble radius during inflation, remain (nearly) constant in amplitude while longer than the Hubble radius, and then resume oscillation upon reentering the Hubble radius. The tem- poral oscillations of modes with nearby wavelengths are therefore coherent [10], giving rise to a sharp pattern of peaks and troughs in the cosmic microwave background (CMB) power spectrum.