Quantum vortices

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
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
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
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
Irreversible Dynamics of Vortex Reconnections in Quantum Fluids
We statistically study vortex reconnections in quantum fluids by evolving different realizations of vortex Hopf links using the …
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Irreversible Dynamics of Vortex Reconnections in Quantum Fluids
Matching Theory to Characterize Sound Emission during Vortex Reconnection in Quantum Fluids
In a concurrent work, Villois et al. [Phys. Rev. Lett. 125, 164501 (2020)] reported the evidence that vortex reconnections in quantum …
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Matching Theory to Characterize Sound Emission during Vortex Reconnection in Quantum Fluids
Universal and Nonuniversal Aspects of Vortex Reconnections in Superfluids
Insight into vortex reconnections in superfluids is presented, making use of analytical results and numerical simulations of the …
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