论文标题
在QCD相图中和平衡外的临界点附近的临界镜头和峰度
Critical lensing and kurtosis near a critical point in the QCD phase diagram in and out-of-equilibrium
论文作者
论文摘要
在这项工作中，我们研究了QCD临界点对流体动力轨迹的镜头效应，以及其对净蛋白峰kurtosis $κ_4$的后果。包括通过最佳国家协作方程（EOS）的批判行为，我们首先考虑平衡方面，然后与Bjorken扩展的流体动力0+1D模拟进行比较，包括剪切和块状粘性术语。我们发现，在平衡的内外，如果信号通过动力学演化存活，关键区域的大小和形状直接影响。
In this work, we study the lensing effect of the QCD critical point on hydrodynamic trajectories, and its consequences on the net-proton kurtosis $κ_4$. Including critical behavior by means of the BEST Collaboration equation of state (EoS), we first consider a scenario in equilibrium, then compare with hydrodynamic 0+1D simulations with Bjorken expansion, including both shear and bulk viscous terms. We find that, both in and out-of-equilibrium, the size and shape of the critical region directly affect if the signal will survive through the dynamical evolution.
