SIMONS-Wave Turbulence

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
Wave-kinetic dynamics of forced-dissipated turbulent internal gravity waves
Internal gravity waves are an essential feature of flows stratified media, such as oceans and atmospheres. To investigate their …
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Wave-kinetic dynamics of forced-dissipated turbulent internal gravity waves
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
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
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
Wave Turbulence Cascades in Bose Einstein Condensates made the Cover of PRL
We use the theory of wave turbulence to predict the cascades of Bose-Einstein condensate and we corroborate our results performing numerical simulations.
Apr 9, 2023 2 min read
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Wave Turbulence Cascades in Bose Einstein Condensates made the Cover of PRL
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
Testing Wave Turbulence Theory for the Gross-Pitaevskii System
We test the predictions of the theory of weak wave turbulence by performing numerical simulations of the Gross-Pitaevskii equation …
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Testing Wave Turbulence Theory for the Gross-Pitaevskii System