论文标题
冻结暗物质扰动是绝热的
Freeze-in Dark Matter Perturbations are Adiabatic
论文作者
论文摘要
我们表明,冷冻机制产生的暗物质中的大规模扰动仅具有绝热性质。冻结机制与当前在等效性扰动上的严格约束不符。
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.