Rotating Superfluid Turbulence
arXiv:cond-mat/0301412 · doi:10.1103/PhysRevLett.90.205301
Abstract
Almost all studies of vortex states in helium II have been concerned with either ordered vortex lattices or disordered vortex tangles. This work studies numerically what happens in the presence of both rotation (which induces order) and thermal counterflow (which induces disorder). We find a new statistically steady state in which the vortex tangle is polarized along the rotational axis. Our results are used to interpret an instability which was discovered experimentally by Swanson et al. years ago but has been unexplained until now.
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