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Pressure and Size Dependence of Roton Emission and Vortex Creation by Moving Objects in He II in T → 0 Limit: Generalized Nonlocal Gross-Pitaevskii Model
In the framework of generalized, nonlocal Gross-Pitaevskii (GP) model, we study numerically the pressure- and size-dependent mechanisms …
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Pressure and Size Dependence of Roton Emission and Vortex Creation by Moving Objects in He II in T → 0 Limit: Generalized Nonlocal Gross-Pitaevskii Model
Turbulence and far-from-equilibrium equation of state of Bogoliubov waves in Bose-Einstein condensates
Bogoliubov waves are fundamental excitations of Bose-Einstein condensates. They emerge from a perturbed ground state and interact …
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Turbulence and far-from-equilibrium equation of state of Bogoliubov waves in Bose-Einstein condensates
An upper critical dimension for dynamo action: a d-dimensional closure model study
We construct a d-dimensional eddy damped quasi-normal Markovian (EDQNM) closure model to study dynamo action in arbitrary dimensions. …
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An upper critical dimension for dynamo action: a d-dimensional closure model study
Quantum vortex driven Kelvin waves in the thermal background of superfluid helium
We present numerical evidence that Kelvin waves (KWs) on quantized vortices in superfluid helium can be directly observed in the normal …
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Quantum vortex driven Kelvin waves in the thermal background of superfluid helium
Strong and weak wave turbulence regimes in Bose–Einstein condensates
When a turbulent Bose–Einstein condensate (BEC) is driven out-of-equilibrium at a scale much smaller than the system size, nonlinear …
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Strong and weak wave turbulence regimes in Bose–Einstein condensates
Stability of stationary solutions in Acoustic wave turbulence
We study the stability of steady-state solutions of the Wave Kinetic Equations for acoustic waves. Combining theoretical analysis and …
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Stability of stationary solutions in Acoustic wave turbulence
Quantum vortices leave a macroscopic signature in the normal fluid
Recent work has highlighted the remarkable properties of quantum turbulence in superfluid helium II, consisting of a disordered tangle …
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Quantum vortices leave a macroscopic signature in the normal fluid
Wave-kinetic dynamics of forced-dissipated turbulent internal gravity waves
Internal gravity waves are an essential feature of stratified media, such as oceans and atmospheres. To investigate their dynamics, we …
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Wave-kinetic dynamics of forced-dissipated turbulent internal gravity waves
Experimental and theoretical evidence of universality in superfluid vortex reconnections
The minimum separation between reconnecting vortices in fluids and superfluids obeys a universal scaling law with respect to time. The …
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Experimental and theoretical evidence of universality in superfluid vortex reconnections
Capture and release of quantum vortices using mechanical devices in low-temperature superfluids
We show that the Gross-Pitaevskii equation coupled with the wave equation for a wire (GP-W) provides a natural theoretical framework …
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Capture and release of quantum vortices using mechanical devices in low-temperature superfluids