重离子碰撞的最大熵动力学匹配条件
Maximum entropy kinetic matching conditions for heavy-ion collisions
摘要：
在重离子碰撞的唯象研究中，将强子动力学理论模型与流体动力学模型耦合起来需要对"粒子化“作出规定。现有的粒子化模型是基于隐含的或明确的假设的微观自由度，超越了前面的流体动力学历史提供的信息。我们提出了一个替代处方，它只使用宏观信息提供的流体动力输出。这种方法直接来自信息论和统计力学之间的联系。
英文摘要：
Coupling hadronic kinetic theory models to fluid dynamics in phenomenological studies of heavy ion collisions requires a prescription for ``particlization''. Existing particlization models are based on implicit or explicit assumptions about the microscopic degrees of freedom that go beyond the information provided by the preceding fluid dynamical history. We propose an alternative prescription which uses only macroscopic information provided by the hydrodynamic output. This method follows directly from the connections between information theory and statistical mechanics.
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