Vortex filament method as a tool for computational visualization of quantum turbulence

Abstract

Vortex filament model has become a standard and powerful tool to visualize the motion of quantized vortices in helium superfluids. In this article, we present an overview of the method and highlight its impact in aiding our understanding of quantum turbulence, particularly superfluid helium. We present an analysis of the structure and arrangement of quantized vortices. Our results are in agreement with previous studies showing that under certain conditions, vortices form coherent bundles, which allows for classical vortex stretching, giving quantum turbulence a classical nature. We also offer an explanation for differences between the observed properties of counterflow and pure superflow turbulence in a pipe. Finally, we suggest a mechanism for the generation of coherent structures in the presence of normal fluid shear.

8 pages, 5 figures; v2: moderate changes

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Cited by in corpus (30)

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• Neutron Stars in the Laboratory
• Coherent vortex dynamics in a strongly-interacting superfluid on a silicon chip
• Critical transport and vortex dynamics in a thin atomic Josephson junction
• Vortex reconnections in atomic condensates at finite temperature
• A superfluid boundary layer
• Crossover from interaction to driven regimes in quantum vortex reconnections
• Thermal friction on quantum vortices in a Bose-Einstein condensate
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• Rotating quantum wave turbulence
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• Kelvin waves and the decay of quantum superfluid turbulence
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• Weaving classical turbulence with quantum skeleton
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• Vortex line entanglement in active Beltrami flows
• Simulating Quantum Turbulence with Matrix Product States
• Non-Hamiltonian Kelvin wave generation on vortices in Bose-Einstein condensates
• Modelling turbulent flow of superfluid ${}^4$He past a rough solid wall in the $T=0$ limit
• Multi-scale physics of cryogenic liquid helium-4: Inverse coarse-graining properties of smoothed particle hydrodynamics