论文标题
在有限的巴里昂密度下重新召集的晶格QCD状态方程:陌生中性及以后
Resummed lattice QCD equation of state at finite baryon density: strangeness neutrality and beyond
论文作者
论文摘要
我们在假想的化学电位上使用晶格QCD模拟来计算一个状态的重新介绍。这项工作提出了对2102.06660引入的计划的概括,以非零$μ_s$的情况,重点是陌生中性。我们在温度范围内最多呈现$μ_b/t \ leq 3.5 $ 3.5 $ $ \ left \ weft \ langle s \ rangle = 0 $ = 0 $ = 0 $ $ 130 \ rm {mev} \ leq t \ leq t \ leq t \ leq t \ leq 280 \ rm {mev} $。我们还将态度的有限重子密度方程式推断为陌生与巴里昂比率的小非零值$ r = \ left \ langle s \ right \ rangle / \ weft \ left \ langle b \ b \ right \ rangle $。我们使用8、10、12和16个时期的4STOUT改良作用的晶格模拟进行连续外推。
We calculate a resummed equation of state with lattice QCD simulations at imaginary chemical potentials. This work presents a generalization of the scheme introduced in 2102.06660 to the case of non-zero $μ_S$, focusing on the line of strangeness neutrality. We present results up to $μ_B/T \leq 3.5$ on the strangeness neutral line $\left\langle S \right\rangle = 0$ in the temperature range $130 \rm{MeV} \leq T \leq 280 \rm{MeV}$. We also extrapolate the finite baryon density equation of state to small non-zero values of the strangeness-to-baryon ratio $R=\left\langle S \right\rangle / \left\langle B \right\rangle$. We perform a continuum extrapolation using lattice simulations of the 4stout-improved staggered action with 8, 10, 12 and 16 timeslices.