局部逐事件守恒律粒子化
Particlization with local event-by-event conservation laws
摘要：
我们提出了一个采样方法的过渡，从相对论流体动力学的粒子运输，通常被称为粒子化，它保留了本地事件的能量能量守恒，动量，重子数，奇异性，和电荷。所提出的方法是必不可少的研究波动和相关性的随机流体动力学。它也适用于研究小系统。该方法是基于大都会采样适用于不同补丁的超曲面，其中流体动力学和动力学的演变相匹配的粒子。
英文摘要：
We present a sampling method for the transition from relativistic hydrodynamics to particle transport, commonly referred to as particlization, which preserves the local event-by-event conservation of energy, momentum, baryon number, strangeness, and electric charge. The proposed method is essential for studying fluctuations and correlations by means of stochastic hydrodynamics. It is also useful for studying small systems. The method is based on Metropolis sampling applied to particles within distinct patches of the hypersurface, where hydrodynamics and kinetic evolutions are matched.
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