Rena ZIEVE I Vortex Motion and the Onset of Turbulence

Rena Zieve (University of California, Davis)

Superfluid helium supports well-defined vortices with quantized circulation. Despite the quantization, vortex behavior obeys the same rules governing classical vortices — with simplifications, since quantization forbids many of the motions allowed in the classical case. I will describe a measurement technique that can track the motion of single superfluid vortices and show several of the characteristic behaviors we observe, including hints of a crossover to turbulence. 

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