切伦科夫效应再访：从游泳的鸭子到引力类似物的零模
The Cerenkov effect revisited: from swimming ducks to zero modes in gravitational analogs
摘要：
我们提出了一个跨学科的审查广义切伦科夫发射的辐射均匀移动的源在不同的背景下，经典电磁学，超流体流体动力学和经典流体动力学。每个具体物理系统的细节通过激发的色散定律进入我们的理论。一个几何配方，以获得在真实和波矢量空间的色散定律的几何形状的发射模式进行了讨论，并应用到一些情况下，目前的实验兴趣。最后说明了这些发射过程对引力系统凝聚态类似物稳定性的影响。
英文摘要：
We present an interdisciplinary review of the generalized Cerenkov emission of radiation from uniformly moving sources in the different contexts of classical electromagnetism, superfluid hydrodynamics, and classical hydrodynamics. The details of each specific physical systems enter our theory via the dispersion law of the excitations. A geometrical recipe to obtain the emission patterns in both real and wavevector space from the geometrical shape of the dispersion law is discussed and applied to a number of cases of current experimental interest. Some consequences of these emission processes onto the stability of condensed-matter analogs of gravitational systems are finally illustrated.
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