Giorgio Krstulovic
Giorgio Krstulovic
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ANR-GIANTE
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, …
Adam Griffin
,
Giorgio Krstulovic
,
Victor L'vov
,
Sergey Nazarenko
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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 …
Juan Ignacio Polanco
,
Nicolás P. Müller
,
Giorgio Krstulovic
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DOI
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. Top right: An Abrikosov lattice of a low-temperature superfluid under rotation obtained using the Gross-Piteavskii model. Top left: A superfluid vortex ring (green) accompanied by two normal fluid rings obtained from a fully coupled model of superfluid helium at finite temperatures.
Dec 6, 2021
1 min read
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Project
Testing wave turbulence theory for Gross-Pitaevskii system
We test the predictions of the theory of weak wave turbulence by performing numerical simulations of the Gross-Pitaevskii equation …
Ying Zhu
,
Boris Semisalov
,
Giorgio Krstulovic
,
Sergey Nazarenko
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Project
Critical velocity for vortex nucleation and roton emission in a generalized model for superfluid
We study numerically the process of vortex nucleation at the wake of a moving object in superfluids using a generalized and non-local …
Nicolás P. Müller
,
Giorgio Krstulovic
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Project
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 …
O. Outrata
,
M. Pavelka
,
J. Hron
,
Marco La Mantia
,
Juan Ignacio Polanco
,
Giorgio Krstulovic
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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 …
Giorgio Krstulovic
,
Victor L'vov
,
Sergey Nazarenko
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Project
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 …
Luca Galantucci
,
Giorgio Krstulovic
,
Carlo F. Barenghi
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Project
Intermittency of Velocity Circulation in Quantum Turbulence
The velocity circulation, a measure of the rotation of a fluid within a closed path, is a fundamental observable in classical and …
Nicolás P. Müller
,
Juan Ignacio Polanco
,
Giorgio Krstulovic
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DOI
Stochastic Motion of Finite-Size Immiscible Impurities in a Dilute Quantum Fluid at Finite Temperature
In this work we aim at studying numerically the dynamics of an immiscible and finite-size impurity in a quantum fluid at finite …
Umberto Giuriato
,
Giorgio Krstulovic
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