一级相变强子化的动力学方案
Dynamical scheme for hadronization with first-order phase transition
摘要：
我们提出了一个强子化的一级禁闭相变动力学方案。相平衡的物理条件、流体速度分布和耗散效应决定了部分子体积和相应强子体积在相变过程中的宏观变化。宏观体积变化是建立考虑从部分子到强子以及向后的微观跃迁过程的动力学方案的基础。在一维Bjorken boost不变性耗散流体展开的情况下，通过数值结果与解析解的比较，证明了所建立的格式的正确性。比较显示几乎完美的协议，这证明了所介绍的计划的适用性。
英文摘要：
We present a dynamical scheme for hadronization with first-order confinement phase transition. The thermodynamical conditions of phase equilibrium, the fluid velocity profile, and the dissipative effect determine the macroscopic changes of the parton volume and the corresponding hadron volume during the phase transition. The macroscopic volume changes are the basis for building up a dynamical scheme by considering microscopic transition processes from partons to hadrons and backwards. The established scheme is proved by comparing the numerical results with the analytical solutions in the case of a one-dimensional expansion of a dissipative fluid with Bjorken boost invariance. The comparisons show almost perfect agreements, which demonstrate the applicability of the introduced scheme.
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