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- Title
Propagation of Quantized Vortices Driven by an Oscillating Sphere in Superfluid He.
- Authors
Nakatsuji, A.; Tsubota, M.; Yano, H.
- Abstract
We performed numerical simulation of quantum turbulence at 0 K generated from remnant vortices attached to an oscillating sphere. The remnant vortices are extended by the sphere motion and form a tangle with emitting vortex loops. As time passes, the length of vortices in a computational volume becomes statistically steady. We investigate in the statistical steady state the distribution of the length of vortex loops and anisotropy of their propagation direction caused by the sphere oscillation. The propagation direction of the emitted vortex loops is anisotropic along the oscillation direction of the sphere. The obtained results are consistent with results obtained in the experimental study using vibrating wires in superfluid He.
- Subjects
SUPERFLUIDITY; QUANTUM theory; TURBULENCE; VORTEX motion; COMPUTER simulation; ANISOTROPY; QUANTIZATION (Physics)
- Publication
Journal of Low Temperature Physics, 2013, Vol 171, Issue 5/6, p519
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-012-0797-y