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Propagating and annihilating vortex dipoles in the Gross-Pitaevskii equation
Cecilia Rorai, K. R. Sreenivasan, Michael E. Fisher
Quantum vortex dynamics in Bose-Einstein condensates or superfluid helium can be informatively described by the Gross-Pitaevskii (GP) equation. Various approximate analytical formu…
Visualization of Kelvin waves on quantum vortices
Enrico Fonda, David P. Meichle, Nicholas T. Ouellette +3
In superfluid helium, vorticity is quantized and constrained on line-like phase singularities, called quantum or quantized vortices. By visualizing the motion of sub-micron frozen…
Anomalously Weak Solar Convection
Shravan Hanasoge, Thomas L. Duvall, Katepalli R. Sreenivasan
Convection in the solar interior is thought to comprise structures on a spectrum of scales. This conclusion emerges from phenomenological studies and numerical simulations, though…