奇粘性液体中障碍物周围的波峰
Wave-crests around obstacles in odd viscous liquids
AI总结：
针对奇粘性系数未知的问题，本研究受经典液体色散面结论启发，理论确定了二维和三维奇粘性液体中运动障碍物周围的等相位波峰形状，推导出奇粘性系数需满足的参数关系，为其实验测定提供框架。
摘要：
液体奇粘性系数的值在很大程度上仍是未知的，迄今为止仅报道过一次实验测量结果[Nature Physics 15, 1188 (2019)]。本研究受Lighthill关于经典液体中色散面已知结论的启发，从理论上确定了二维和三维奇粘性液体中以恒定速度运动的障碍物周围形成的等相位波峰的形状，这些液体可能发生也可能不发生刚性旋转。通过该分析，我们推导出奇粘性系数必须满足的参数关系，为其实验测定提供了一个框架。
英文摘要：
The values of liquid odd-viscosity coefficients remain largely unknown, with only a single experimental measurement reported to date [Nature Physics 15, 1188 (2019)]. In this work, inspired by the well-known consequences of dispersion surfaces in classical liquids from the work of Lighthill, we theoretically determine the shapes of constant-phase wave crests formed around obstacles moving at constant velocity in two- and three-dimensional odd viscous liquids, which may or may not undergo rigid rotation. From this analysis, we derive parametric relations that the odd-viscosity coefficients must satisfy, providing a framework for their experimental determination.
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