http://https://repositorio.unach.mx:80/jspui/handle/123456789/4087 2026-05-12T21:55:32Z http://https://repositorio.unach.mx:80/jspui/handle/123456789/4089 Título : Constraining the nature of dark matter and cosmic inflation using CMB spectral distortions Autor: RAÚL ANTONIO HENRÍQUEZ ORTIZ Descripción : With the advent of new missions to probe spectral distortions of the cosmic microwave back-ground with unprecedented precision, the study of theoretical predictions of these signals be-comes a promising avenue to test our description of the early Universe To explore new constraints on dark matter and inflation based on alternative models beyond o cosmological standard model, we compute the spectral distortions of two models, reveal-ing interesting features that maybe compatible with Planck data and future missions like the Primordial Inflation Explorer (PIXIE). First, for the dark matter model we used a QCD dark matter scenario that is a model characterized by a phase transition in the early universe. Sec-ond, for the inflation model we used the axion monodromy, whose main feature is a potential with oscillations. 2023-02-01T00:00:00Z