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18 papers · 1 filter
Heisenberg and anisotropic exchange interactions in magnetic materials with correlated electronic structure and significant spin-orbit coupling
Vladislav Borisov, Yaroslav O. Kvashnin, Nikolaos Ntallis +8
The Dzyaloshinskii-Moriya (DM) interaction, as well as symmetric anisotropic exchange, are important ingredients for stabilizing topologically non-trivial magnetic textures, such a…
Suspensions of deformable particles in Poiseuille flows at finite inertia
Luigi Filippo Chiara, Marco Edoardo Rosti, Francesco Picano +1
We analyze a suspension of deformable particles in a pressure-driven flow. The suspension is composed of neutrally buoyant initially spherical particles and a Newtonian carrier flu…
Fiber Tracking Velocimetry for two-point statistics of turbulence
Stefano Brizzolara, Marco Edoardo Rosti, Stefano Olivieri +3
We propose and validate a novel experimental technique to measure two-point statistics of turbulent flows. It consists in spreading rigid fibers in the flow and tracking their posi…
Particle motion nearby rough surfaces
Christina Kurzthaler, Lailai Zhu, Amir A. Pahlavan +1
We study the hydrodynamic coupling between particles and solid, rough boundaries characterized by random surface textures. Using the Lorentz reciprocal theorem, we derive analytica…
Aerodynamically-driven rupture of a liquid film by turbulent shear flow
Melissa Kozul, Pedro S. Costa, James R. Dawson +1
The rupture of a liquid film due to co-flowing turbulent shear flows in the gas phase is studied using a volume-of-fluid method. To simulate this multiphase problem, we use a simpl…
Equation of motion and the constraining field in ab initio spin dynamics
Simon Streib, Vladislav Borisov, Manuel Pereiro +5
It is generally accepted that the effective magnetic field acting on a magnetic moment is given by the gradient of the energy with respect to the magnetization. However, in ab init…