A dark QCD crossover around 5.5 times the SM QCD scale imprints a frequency-shifted distortion on scalar induced gravitational wave spectra computed from rescaled effective degrees of freedom.
Nonequilibrium Corrections to the Spectra of Massless Neutrinos in the Early Universe - Addendum
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abstract
We repeat our previous calculation of the spectrum distortion of massless neutrinos in the early universe with a considerably better accuracy and corrected for a missing numerical factor in one of the two ways of calculations presented in hep-ph/9703315. Now both ways of calculations are in perfect agreement and we essentially reproduce our old results presented in the abstract of the paper and used in the calculations of light element abundances. We disagree with the criticism of our calculations presented in astro-ph/9712199.
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Scalar induced gravitational waves as probes of dark QCD
A dark QCD crossover around 5.5 times the SM QCD scale imprints a frequency-shifted distortion on scalar induced gravitational wave spectra computed from rescaled effective degrees of freedom.