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physics.flu-dyn2026
Nonlocal energy transfer mechanism in three-dimensional quantum turbulence
Elliot Bes, Guillaume Balarac, Juan Ignacio Polanco
We investigate the kinetic energy cascade in zero-temperature quantum turbulence. Using simple theoretical arguments and unprecedented numerical simulations, we unveil an universal…
physics.flu-dyn2025
Disentangling temperature and Reynolds number effects in quantum turbulence
Juan Ignacio Polanco, Philippe-E. Roche, Luminita Danaila +1
The interplay between viscous and frictional dissipation is key to understanding quantum turbulence dynamics in superfluid He. Based on a coarse-grained two-fluid description,…