Sound emission and annihilations in a programmable quantum vortex collider
In quantum fluids, the quantization of circulation forbids the diffusion of a vortex swirling flow
seen in classical viscous fluids. Yet, accelerating quantum vortices may lose their energy …
seen in classical viscous fluids. Yet, accelerating quantum vortices may lose their energy …
Fractal dimensions in fluid dynamics and their effects on the Rayleigh problem, the Burger's vortex and the Kelvin–Helmholtz instability
RA El-Nabulsi, W Anukool - Acta Mechanica, 2022 - Springer
In this article, we construct fluid equations in fractal dimensions based on the concept of the
product-like fractal measure introduced by Li and Ostoja-Starzewski in their formulation of …
product-like fractal measure introduced by Li and Ostoja-Starzewski in their formulation of …
Imaging quantized vortex rings in superfluid helium to evaluate quantum dissipation
The motion of quantized vortices is responsible for many intriguing phenomena in diverse
quantum-fluid systems. Having a theoretical model to reliably predict the vortex motion …
quantum-fluid systems. Having a theoretical model to reliably predict the vortex motion …
Efficient recurrent neural network methods for anomalously diffusing single particle short and noisy trajectories
Ò Garibo-i-Orts, A Baeza-Bosca… - Journal of Physics A …, 2021 - iopscience.iop.org
Anomalous diffusion occurs at very different scales in nature, from atomic systems to motions
in cell organelles, biological tissues or ecology, and also in artificial materials, such as …
in cell organelles, biological tissues or ecology, and also in artificial materials, such as …
Two-dimensional Brownian motion of active particle on superfluid helium surface
RE Boltnev, MM Vasiliev, OF Petrov - Scientific Reports, 2023 - nature.com
We report an experimental study of the 2D dynamics of active particles driven by quantum
vortices on the free surface of superfluid helium at T= 1.45 К. The particle motion at short …
vortices on the free surface of superfluid helium at T= 1.45 К. The particle motion at short …
Universal anomalous diffusion of quantized vortices in ultraquantum turbulence
In classical viscous fluids, turbulent eddies are known to be responsible for the rapid
spreading of embedded particles. However, in inviscid quantum fluids where the turbulence …
spreading of embedded particles. However, in inviscid quantum fluids where the turbulence …
Visualization of quantized vortex reconnection enabled by laser ablation
Y Minowa, S Aoyagi, S Inui, T Nakagawa, G Asaka… - Science …, 2022 - science.org
Impurity injection into superfluid helium is a simple and appealing method with diverse
applications, including high-precision spectroscopy, quantum computing with surface …
applications, including high-precision spectroscopy, quantum computing with surface …
Non-Gaussian anomalous diffusion of optical vortices
J Gong, Q Li, S Zeng, J Wang - Physical Review E, 2024 - APS
Anomalous diffusion of different particlelike entities, the deviation from typical Brownian
motion, is ubiquitous in complex physical and biological systems. While optical vortices …
motion, is ubiquitous in complex physical and biological systems. While optical vortices …
Bose–Einstein condensation and non-extensive statistics for finite systems
Abstract We study the Bose–Einstein condensation in non-extensive statistics for a free gas
of bosons, and extend the results to the non-relativistic case as well. We present results for …
of bosons, and extend the results to the non-relativistic case as well. We present results for …
A third angular momentum of photons
Photons that acquire orbital angular momentum move in a helical path and are observed as
a light ring. During helical motion, if a force is applied perpendicular to the direction of …
a light ring. During helical motion, if a force is applied perpendicular to the direction of …