Nonthermal dark matter produced relativistically in an early matter-dominated era remains mostly relativistic at reheating, so free streaming suppresses small-scale structure and Lyman-alpha plus Milky Way satellite data bound its production velocity.
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Constraining Nonthermal Dark Matter's Impact on the Matter Power Spectrum
Nonthermal dark matter produced relativistically in an early matter-dominated era remains mostly relativistic at reheating, so free streaming suppresses small-scale structure and Lyman-alpha plus Milky Way satellite data bound its production velocity.