Effects of Dark Matter on f-mode oscillations of Neutron Stars
arxiv(2024)
摘要
The aim of this study is to investigate the effect of dark matter (DM) on
f-mode oscillations in DM admixed neutron stars (NSs). We consider hadronic
matter modeled by the relativistic mean field model and the DM model based on
the neutron decay anomaly. We study the non-radial f-mode oscillations for
such DM admixed NS in a full general relativistic framework. We investigate the
impact of DM, DM self-interaction, and DM fraction on the f-mode
characteristics. We derive relations encoding the effect of DM on f-mode
parameters. We then perform a systematic study by varying all the model
parameters within their known uncertainty range and obtain a universal relation
for the DM fraction based on the total mass of the star and DM self-interaction
strength. We also perform a correlation study among model parameters and NS
observables, in particular, f-mode parameters. Finally, we check the f-mode
universal relations (URs) for the case of DM admixed NSs and demonstrate the
existence of a degeneracy between purely hadronic NSs and DM admixed NSs.
更多查看译文
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要