419 citations
- Massachusetts Institute of TechnologyUS181 papers
- Vilnius UniversityLT180 papers
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- Bulgarian Academy of SciencesBG176 papers
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24 papers · 1 filter
Controlling Vortex Rotation in Dry Active Matter
Felipe P. S. Júnior, Jorge L. C. Domingos, W. P. Ferreira +1
We investigate the rotation of a vortex around a circular obstacle in dry active matter in the presence of M half-circles distributed around the obstacle. To quantify this effect,…
Tuning properties of phase-separated magnetic fluid with temperature
Laura Nelsone, Guntars Kitenbergs
Phase-separated magnetic fluids provide a very strong magnetic response () in a liquid state material. Even small fields can cause a notable material response, but this depen…
Macroscopic emulation of microscopic magnetic particle systems
Viesturs Spūlis, Daniels Gorovojs, Jānis Pudāns +5
In this work we show that macroscopic experiments can be used to investigate microscopic systems. Such macroscopic experiments enable testing the assumptions and results obtained b…
Ferromagnetic filament shapes in a rotating field reveal their magnetoelastic properties
Andris P. Stikuts, Andrejs Cēbers, Guntars Kitenbergs
Flexible ferromagnetic filaments can be used to control the flow on the micro-scale with external magnetic field. To accurately model them, it is crucial to know their parameters s…
Rotating hematite cube chains
Mārtiņš Brics, Viesturs Šints, Guntars Kitenbergs +1
Recently a two-dimensional chiral fluid was experimentally demonstrated. It was obtained from cubic-shaped hematite colloidal particles placed in a rotating magnetic field. Here we…
The most energetically favorable configurations of hematite cube chains
Mārtiņš Brics, Viesturs Šints, Guntars Kitenbergs +1
Hematite at room temperature is a weak ferromagnetic material. Its permanent magnetization is three orders smaller than for magnetite. Thus, hematite colloids allow us to explore a…