超新星与中子星并合的超子和反K子状态方程表
Equation of State table with hyperon and antikaon for supernova and neutron star merger
摘要：
我们发展了一个新的物态方程表，其中包含了热（反）K介子、$K^{-}$介子和$Λ$超子的玻色-爱因斯坦凝聚，并用于超新星和中子星合并的模拟。这个EoS表是基于有限温度密度依赖的相对论强子场论，其中重子-重子相互作用由标量$σ$、矢量$ω$和$ρ$介子介导，使用核子的参数集DD 2。超子-超子排斥相互作用是由一个额外的奇异$ϕ$介子介导的。$K^-$凝聚态物质的EoS也是在相对论平均场模型的框架内计算的，而低密度非均匀物质的EoS是在扩展的核统计平衡模型（NSE）中计算的。EoS表是针对重子密度（$10^{-12}$至$\sim$ 1 fm $^{-3}$）、正电荷分数（0.01至0.60）和温度（0.1至158.48 MeV）这三个参数的大范围值生成的。
英文摘要：
We develop a new equation of state (EoS) table involving thermal (anti)kaons, Bose-Einstein condensate of $K^{-}$ mesons and $Λ$-hyperons for core-collapse supernova and neutron star merger simulations. This EoS table is based on a finite temperature density-dependent relativistic hadron field theory where baryon-baryon interaction is mediated by scalar $σ$, vector $ω$ and $ρ$ mesons, using the parameter set DD2 for nucleons. The repulsive hyperon-hyperon interaction is mediated by an additional strange $ϕ$ meson. The EoS for the $K^-$ condensed matter is also calculated within the framework of relativistic mean field model, whereas the low-density, inhomogeneous matter is calculated in the extended Nuclear Statistical Equilibrium model (NSE). The EoS table is generated for a wide range of values of three parameters - baryon density ($10^{-12}$ to $\sim$ 1 fm$^{-3}$), positive charge fraction(0.01 to 0.60) and temperature(0.1 to 158.48 MeV).
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