超新星中微子自相互作用产生的引力记忆信号
Gravitational memory signal from neutrino self-interactions in supernova
AI总结：
本文研究超新星中微子自相互作用对引力波记忆信号的影响，发现高频段自相互作用中微子的记忆信号弱于自由流情形，并探讨了DECIGO和BBO探测与区分此类信号的前景。
摘要：
由交换质量约为 $M_ϕ\simeq 10{\rm MeV}$ 的轻标量或矢量粒子而产生的大自相互作用中微子，在宇宙学中可对结构形成和解决哈勃张力问题发挥有益作用。已有研究提出，中微子的大自相互作用可能改变超新星的观测性质，例如中微子光度或中微子暴的持续时间。本文研究由超新星中微子产生的引力波记忆信号。我们的结果表明，在高频范围内，自相互作用中微子的记忆信号弱于自由流中微子。本文还讨论了这对计划中的空间探测器 DECIGO 和 BBO 探测并区分此类信号的意义。
英文摘要：
Neutrinos with large self-interactions, arising from exchange of light scalars or vectors with mass $M_ϕ\simeq 10{\rm MeV}$, can play a useful role in cosmology for structure formation and solving the Hubble tension. It has been proposed that large self-interactions of neutrinos may change the observed properties of supernova like the neutrino luminosity or the duration of the neutrino burst. In this paper, we study the gravitational wave memory signal arising from supernova neutrinos. Our results reveal that memory signal for self-interacting neutrinos are weaker than free-streaming neutrinos in the high frequency range. Implications for detecting and differentiating between such signals for planned space-borne detectors, DECIGO and BBO, are also discussed.
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