Vortex reconnections and rebounds in trapped atomic Bose-Einstein condensates

S Serafini, L Galantucci, E Iseni, T Bienaimé, RN Bisset… - Physical Review X, 2017 - APS
Reconnections and interactions of filamentary coherent structures play a fundamental role in
the dynamics of fluids, redistributing energy and helicity among the length scales and …

Dissipative dynamics of quantum vortices in fermionic superfluid

A Barresi, A Boulet, P Magierski, G Wlazłowski - Physical Review Letters, 2023 - APS
In a recent article, Kwon et al.[Nature (London) 600, 64 (2021) NATUAS 0028-0836
10.1038/s41586-021-04047-4] revealed nonuniversal dissipative dynamics of quantum …

Vortex motion quantifies strong dissipation in a holographic superfluid

P Wittmer, CM Schmied, T Gasenzer, C Ewerz - Physical Review Letters, 2021 - APS
Holographic duality provides a description of strongly coupled quantum systems in terms of
weakly coupled gravitational theories in a higher-dimensional space. It is a challenge …

Universal and nonuniversal aspects of vortex reconnections in superfluids

A Villois, D Proment, G Krstulovic - Physical Review Fluids, 2017 - APS
Insight into vortex reconnections in superfluids is presented, making use of analytical results
and numerical simulations of the Gross-Pitaevskii model. Universal aspects of the …

Rotating quantum turbulence in the unitary Fermi gas

K Hossain, K Kobuszewski, MMN Forbes, P Magierski… - Physical Review A, 2022 - APS
Quantized vortices carry the angular momentum in rotating superfluids, and are key to the
phenomenon of quantum turbulence. Advances in ultracold-atom technology enable …

Critical transport and vortex dynamics in a thin atomic Josephson junction

K Xhani, E Neri, L Galantucci, F Scazza, A Burchianti… - Physical Review Letters, 2020 - APS
We study the onset of dissipation in an atomic Josephson junction between Fermi
superfluids in the molecular Bose-Einstein condensation limit of strong attraction. Our …

A continuous modeling method via improved pigeon-inspired optimization for wake vortices in UAVs close formation flight

G Yuan, J Xia, H Duan - Aerospace Science and Technology, 2022 - Elsevier
This paper explores the modeling of wake vortices to estimate the wake vortex effect in
unmanned aerial vehicles (UAVs) close formation flight. A continuous horseshoe vortex …

Irreversible dynamics of vortex reconnections in quantum fluids

A Villois, D Proment, G Krstulovic - Physical Review Letters, 2020 - APS
We statistically study vortex reconnections in quantum fluids by evolving different
realizations of vortex Hopf links using the Gross–Pitaevskii model. Despite the time …

Identification of vortices in quantum fluids: Finite element algorithms and programs

V Kalt, G Sadaka, I Danaila, F Hecht - Computer Physics Communications, 2023 - Elsevier
We present finite-element numerical algorithms for the identification of vortices in quantum
fluids described by a macroscopic complex wave function. Their implementation using the …

On the relations between large-scale models of superfluid helium-4

M Sýkora, M Pavelka, M La Mantia, D Jou… - Physics of Fluids, 2021 - pubs.aip.org
Superfluid helium-4 is characterized by extremely small values of kinematic viscosity, and its
thermal conductivity can be huge, orders of magnitude larger than that of water or air …