奇异介子对前身中子星转动惯量的影响

本文利用相对论平均场理论并考虑重子八重态{n,p,Λ,∑－,∑0,∑+,Ξ－,Ξ0},研究了σ*,φ介子对前身中子星转动惯量的影响. 研究发现：考虑到σ*,φ介子的贡献，σ0,ω0,ρ0介子的势场强度以及中子和电子的化学势都明显降低了.同时还发现，与不考虑σ*,φ介子的贡献时相比，前身中子星质量的最大值和转动惯量的最大值也都降低了，并且前者的减小量大于后者的减小量.

Effect of strange mesons on the moment of inertia of proto neutron star

Within the framework of relativistic mean field theory for the baryon octet {n,p,∧,∑-,∑0,∑+,Ξ-,Ξ0 } system,the influence of σ* andφmesons on the moment of inertia of proto neutron star is investigated.It is found that considering the contribution of σ* andφmesons,the fields of σ0,ω0,ρ0 mesons,the chemical potentials of neutrons and electrons obviously decrease.It is also found that compared with those without considering the contribution of σ* andφmesons,the maximum value of mass and that of moment of inertia all decrease too and the reduce of the former is more than that of the latter.