Nutation Excitations in the Gyrotropic Vortex Dynamics in a Circular Magnetic Nanodot [PDF]
Nanomaterials, 2023 A significant activity is devoted to the investigation of the ultrafast spin dynamic processes, holding a great potential for science and applications.
Zukhra Gareeva, Konstantin Guslienko
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Mutual friction and vortex Hall angle in a strongly interacting Fermi superfluid [PDF]
Nature CommunicationsWe investigate the two-dimensional motion of a single vortex orbiting a pinned anti-vortex in a unitary Fermi superfluid. By analyzing its trajectory, we measure the yet-unknown longitudinal and transverse mutual friction coefficients, which quantify the
N. Grani +10 more
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Gradient vortex dynamics in 3D-weak turbulence [PDF]
Scientific ReportsVortex dynamics play a central role in most turbulent processes, whether of physical or chemical origin. In the realm of so-called weak turbulence, which encompasses physical, chemical, and electrochemical processes, understanding and monitoring the ...
Rubens A. Sautter +4 more
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Study of the effect of pinning size on the critical current density in a superconducting tape with a Moiré triangular pinning array at magic angles [PDF]
Scientific ReportsThe creation of artificial pinning centers significantly influences the critical current density of type-II superconductors. Consequently, substantial research efforts have been directed toward the design and optimization of pinning structures within ...
Fatemeh Ghanavati +3 more
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Scour process, flow dynamics, hydrodynamic forces, around a series of repelling spur dikes [PDF]
Scientific ReportsThis experimental study examined the turbulence effects around spur dikes on scour dynamics under clear-water conditions. An experiment was conducted in a straight rectangular flume of length, width, and flow depth: 15, 0.91, and 0.70 m, wherein ...
Sandeep Kumar +2 more
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Numerical Simulation of Abrikosov Vortex at Columnar Defect in Superconductor [PDF]
EPJ Web of Conferences, 2019 We report a numerical modeling of single vortex depinning and its subsequent dynamics in HTS film with extended linear defects under the influence of the transport current.
Fedirko V.A. +3 more
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Aerodynamic performance of dragonfly wing model that starts impulsively: how vortex motion works
Journal of Fluid Science and Technology, 2023 The cross-section of dragonfly wings has corrugated structures. In particular, the leading-edge side of the wing consists of V-shaped structures. According to previous studies, a corrugated wing may exhibit high aerodynamic performance at low Reynolds ...
Yusuke FUJITA, Makoto IIMA
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Universal dynamics in the expansion of vortex clusters in a dissipative two-dimensional superfluid
Physical Review Research, 2020 A large ensemble of quantum vortices in a superfluid may itself be treated as a novel kind of fluid that exhibits anomalous hydrodynamics. Here we consider the dynamics of vortex clusters under thermal friction and present an analytic solution that ...
Oliver R. Stockdale +7 more
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Parametric resonance in the dynamics of an elliptic vortex in a periodically strained environment [PDF]
Nonlinear Processes in Geophysics, 2017 The model of an elliptic vortex evolving in a periodically strained background flow is studied in order to establish the possible unbounded regimes.
K. V. Koshel, E. A. Ryzhov
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How trapped particles interact with and sample superfluid vortex excitations
Physical Review Research, 2020 Particles have been used for more than a decade to visualize and study the dynamics of quantum vortices in superfluid helium. In this work we study how the dynamics of a collection of particles set inside a vortex reflects the motion of the vortex.
Umberto Giuriato +2 more
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