ANR-GIANTE

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
Velocity Circulation Intermittency in Finite-Temperature Turbulent Superfluid Helium
We study intermittency of circulation moments in turbulent superfluid helium by using experimental grid turbulence and numerical …
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Velocity Circulation Intermittency in Finite-Temperature Turbulent Superfluid Helium
Direct and inverse cascades in turbulent Bose-Einstein condensate
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 condensate
Energy Spectrum of Two-Dimensional Acoustic Turbulence
We report an exact unique constant-flux power-law analytical solution of the wave kinetic equation for the turbulent energy spectrum, …
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Energy Spectrum of Two-Dimensional Acoustic Turbulence
Comment on ''Theoretical analysis of quantum turbulence using the Onsager ideal turbulence theory''
In a recent paper [T. Tanogami Phys. Rev. E 103, 023106 ] proposes a scenario for quantum turbulence where the energy spectrum at …
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Critical Velocity for Vortex Nucleation and Roton Emission in a Generalized Model for Superfluids
We study numerically the process of vortex nucleation at the wake of a moving object in superfluids using a generalized and non-local …
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Critical Velocity for Vortex Nucleation and Roton Emission in a Generalized Model for Superfluids
Vortex clustering, polarisation and circulation intermittency in classical and quantum turbulence
The understanding of turbulent flows is one of the biggest current challenges in physics, as no first-principles theory exists to …
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Vortex clustering, polarisation and circulation intermittency in classical and quantum turbulence
Master Internships Available
The figure above shows different numerical simulations of superfluids and particles which have been performed by members of the team. Left: A particle (in green) trapped by a quantum vortex (in red) simulated by the Gross-Pitaevskii model.
Dec 6, 2021 1 min read
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Master Internships Available
On the Determination of Vortex Ring Vorticity Using Lagrangian Particles
Particles are a widespread tool for obtaining information from fluid flows. When Eulerian data are unavailable, they may be employed to …
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On the Determination of Vortex Ring Vorticity Using Lagrangian Particles
Friction-enhanced lifetime of bundled quantum vortices
Experiments in the early 1980s have shown that a compact bundle of quantum vortex rings in superfluid helium remains coherent and …
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Friction-enhanced lifetime of bundled quantum vortices