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On the kinetics of internal gravity waves beyond the hydrostatic regime
We present a new derivation of the kinetic equation for weak, non-hydrostatic internal gravity wave turbulence. The equation is …
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On the kinetics of internal gravity waves beyond the hydrostatic regime
Initial Evolution of Three-Dimensional Turbulence En Route to the Kolmogorov State: Emergence and Transformations of Coherent Structures, Self-Similarity, and Instabilities
In this work, we study numerically the temporal evolution of an initially random large-scale velocity field under governed by the …
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Initial Evolution of Three-Dimensional Turbulence En Route to the Kolmogorov State: Emergence and Transformations of Coherent Structures, Self-Similarity, and Instabilities
Exploring the Equivalence between Two-Dimensional Classical and Quantum Turbulence through Velocity Circulation Statistics
We study the statistics of velocity circulation in two-dimensional classical and quantum turbulence. We perform numerical simulations …
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Exploring the Equivalence between Two-Dimensional Classical and Quantum Turbulence through Velocity Circulation Statistics
Cross-Component Energy Transfer in Superfluid Helium-4
The reciprocal energy and enstrophy transfers between normal fluid and superfluid components dictate the overall dynamics of superfluid …
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Cross-Component Energy Transfer in Superfluid Helium-4
Self-Similar Evolution of Wave Turbulence in Gross-Pitaevskii System
We study the universal nonstationary evolution of wave turbulence (WT) in Bose-Einstein condensates (BECs). Their temporal evolution …
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Self-Similar Evolution of Wave Turbulence in Gross-Pitaevskii System
Kelvin waves, mutual friction, and fluctuations in the Gross-Pitaevskii model
In this work we first briefly review some of the mutual friction effects on vortex lines and rings that were obtained in the context of …
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Kelvin waves, mutual friction, and fluctuations in the Gross-Pitaevskii model
Stokes drift and impurity transport in a quantum fluid
Stokes drift is a classical fluid effect in which travelling waves transfer momentum to tracers of the fluid, resulting in a non-zero …
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Stokes drift and impurity transport in a quantum fluid
Direct and Inverse Cascades in Turbulent Bose-Einstein Condensates
When a Bose-Einstein condensate (BEC) is driven out of equilibrium, density waves interact non-linearly and trigger the emergence of …
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Direct and Inverse Cascades in Turbulent Bose-Einstein Condensates
Internal gravity waves in stratified flows with and without vortical modes
The comprehension of stratified flows is important for geophysical and astrophysical applications. The Weak Wave Turbulence theory aims …
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Internal gravity waves in stratified flows with and without vortical modes
Friction-Enhanced Lifetime of Bundled Quantum Vortices
We show that a toroidal bundle of quantized vortex rings in superfluid helium generates a large-scale wake in the normal fluid which …
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Friction-Enhanced Lifetime of Bundled Quantum Vortices