小系统中的流体动力学流,或:“一个仅发射十几个粒子的系统怎么可能用流体动力学描述?”
核理论
2019-10-02 v1 高能物理 - 唯象学
核实验
摘要
本文展示并讨论了相对论流体动力学在描述高能重离子乃至质子-质子碰撞方面“不合理有效性”。将介绍近期针对此类碰撞所带来的具体挑战而优化相对论流体动力学的若干思路,并就该框架为何比最初预期更有效提供一些思考。我还将探讨一个尚未解决的问题:流体动力学究竟在何处失效,以及为何失效。
引用
@article{arxiv.1904.06592,
title = {Hydrodynamic flow in small systems, or: "How the heck is it possible that a system emitting only a dozen particles can be described by fluid dynamics?"},
author = {Ulrich W. Heinz and J. Scott Moreland},
journal= {arXiv preprint arXiv:1904.06592},
year = {2019}
}
备注
Talk presented at KRUGER-2018, Hazyview, Mpumalanga, South Africa, Dec. 3-8, 2018, to appear in the proceedings, published in the Open Access Journal of Physics: Conference Series (JPCS)