Freeze-in Dark Matter Perturbations are Adiabatic

Abstract

We show that the large-scale perturbations in the dark matter generated by the freeze-in mechanism are only of adiabatic nature. The freeze-in mechanism is not at odds with the current stringent constraints on isocurvature perturbations.

arXiv comment8 pages

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Cited by in corpus (6)

• Dark Matter production during Warm Inflation via Freeze-In
• Impact of freeze-in on dark matter isocurvature
• Regular Black Hole Cores via Gravitational Evanescence of Collapsing Matter
• Dark Matter Isocurvature from Curvature
• Scale invariant curvature perturbations from a spontaneously decaying scalar field
• Leptogenesis with perturbations in type-II and type-III seesaw models