Alexander Abanov

(Stony Brook University)


Odd surface waves


Two-dimensional isotropic fluids can possess an anomalous part of the viscous tensor known as odd or Hall viscosity. This peculiar viscosity does not lead to any dissipation in the fluid. I will describe the effects of the odd viscosity on surface waves of an incompressible droplet. In linear regime a new surface mode can exist even in the absence of external potential. The dispersion of this mode is $2\nu_0 k |k|$. I will discuss the formation and the structure of an oscillating boundary layer accompanying odd surface waves.