T-model Higgs inflation and metastable cosmic strings by C. Pallis

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Grand unification at the cosmological collider with chemical potential by Arushi Bodas, Edward Broadberry, Raman Sundrum

“…We show that, within high-scale inflation, chemical potential enhancement can lead to observably strong signals for trinification partners in future cosmological surveys.…”
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Searches for other vacua. Part II. A new Higgstory at the cosmological collider by Anson Hook, Junwu Huang, Davide Racco

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Generalising axion-like particle as the curvaton: sourcing primordial density perturbation and non-Gaussianities by Anish Ghoshal, Abhishek Naskar

“…The ALP is a spectator field during inflation but it starts to oscillate and dominates the energy density of the universe after inflation ends, thereby sourcing isocurvature perturbations, while standard curvature fluctuations from the inflaton are assumed to be sub-dominant. …”
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