Competition between rotation and turbulence in superfluid He$^4$

Details Competition between rotation and turbulence in superfluid He$^4$ Competition between rotation and turbulence in superfluid He$^4$

2002-06-14

arxiv.org/abs/cond-mat/0206252v1

Physics

Condensed Matter

Soft Condensed Matter

2 pages, 3 figures

Scientific paper

10.1016/S0921-4526(02)01969-5

Two types of vortex states have been much studied in superfluid $^4$He. The first is the vortex array in a rotating container. The second is the vortex tangle in turbulent flow. An experiment attempt to combine these two states by rotating a counterflow was attempted years ago. The data suggest the existence of different flow regimes separated by instabilities, but a theoretical interpretation is still missing. We present work in which we use the vortex filament model to numerically investigate rotating counterflow. We show evidence of a new state of polarized turbulence.

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