LAUSR

To visualize the vortex flows occurring on the surface of superfluid He II during the interaction of noncollinear surface waves, hollow glass microspheres ∼60 μm in diameter and a density less than or similar to that of liquid helium were introduced into the liquid. The spheres combined under the He II surface into aggregates (tracers) with characteristic dimensions of 0.2–0.3 mm. Experimental results are presented, and the possibility of helium-covered light tracers self-organizing and using surface tension to form experimentally observable flat macroscopic “snowflake” structures out of glass tracers on the He II surface, is discussed.To visualize the vortex flows occurring on the surface of superfluid He II during the interaction of noncollinear surface waves, hollow glass microspheres ∼60 μm in diameter and a density less than or similar to that of liquid helium were introduced into the liquid. The spheres combined under the He II surface into aggregates (tracers) with characteristic dimensions of 0.2–0.3 mm. Experimental results are presented, and the possibility of helium-covered light tracers self-organizing and using surface tension to form experimentally observable flat macroscopic “snowflake” structures out of glass tracers on the He II surface, is discussed.