Lu Jiguang1; Zhou Enping2; Lai Xiaoyu3; Xu Renxin2
Source Publicationsciencechinaphysicsmechanicsastronomy
AbstractThe state equation for strangeon matter is very stiff due to the non-relativistic nature of its particles and their repulsive interaction, such that pulsar masses as high as 3M (aS (TM)) would be expected. However, an adiabatic sound speed, c (s) = aea,P/a,rho, is usually superluminal in strangeon matter, and the dynamic response of a strangeon star (e.g., binary merger) is not tractable in numerical simulations. In this study, we examined signal propagation in strangeon matter and calculate the actual propagation speed, c (signal). We found that the causality condition, c (signal) < c, is satisfied and the signal speed is presented as a function of stellar radius.
Funding Project[National Key R & D Program of China] ; [National Natural Science Foundation of China] ; [Open Project Program of the Key Laboratory of Radio Astronomy] ; [Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences] ; [Center for Astronomical Mega-Science, Chinese Academy of Sciences (CAMS)]
Document Type期刊论文
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Lu Jiguang,Zhou Enping,Lai Xiaoyu,et al. causalpropagationofsignalsinstrangeonmatter[J]. sciencechinaphysicsmechanicsastronomy,2018,61(8):82.
APA Lu Jiguang,Zhou Enping,Lai Xiaoyu,&Xu Renxin.(2018).causalpropagationofsignalsinstrangeonmatter.sciencechinaphysicsmechanicsastronomy,61(8),82.
MLA Lu Jiguang,et al."causalpropagationofsignalsinstrangeonmatter".sciencechinaphysicsmechanicsastronomy 61.8(2018):82.
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