Dissipation of small-scale primordial perturbations after neutrino decoupling cools relic neutrinos and reduces their abundance, enabling PTOLEMY to constrain the primordial curvature power spectrum to O(0.1) on scales k ≲ 3×10^5 Mpc^{-1}.
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Spectroxide is a publicly available code package that evolves the photon Boltzmann equation from z ~ 5e6 to today to calculate CMB spectral distortions caused by heat or photon injection, with all code and tests generated by AI under human supervision and validated against analytic limits and prior
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Probing the small-scale primordial power spectrum via relic neutrinos and acoustic reheating
Dissipation of small-scale primordial perturbations after neutrino decoupling cools relic neutrinos and reduces their abundance, enabling PTOLEMY to constrain the primordial curvature power spectrum to O(0.1) on scales k ≲ 3×10^5 Mpc^{-1}.
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spectroxide: A code package for computing cosmic microwave background spectral distortions
Spectroxide is a publicly available code package that evolves the photon Boltzmann equation from z ~ 5e6 to today to calculate CMB spectral distortions caused by heat or photon injection, with all code and tests generated by AI under human supervision and validated against analytic limits and prior