Results 51 to 60 of about 5,462,018 (286)
A particle-field approach bridges phase separation and collective motion in active matter
Nature Communications, 2020 Interacting self-propelled particles exhibit phase separation or collective motion depending on particle shape. A unified theory connecting these paradigms represents a major challenge in active matter, which the authors address here by modeling active ...
Robert Großmann +2 more
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Long-ranged velocity correlations in dense systems of self-propelled particles
, 2021 Model systems of self-propelled particles reproduce many phenomena observed in laboratory active matter systems that defy our thermal equilibrium-based intuition.
Grzegorz Szamel, Elijah Flenner
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Asynchrony induces polarization in attraction-based models of collective motion [PDF]
Royal Society Open Science, 2019 Animal groups frequently move in a highly organized manner, as represented by flocks of birds and schools of fish. Despite being an everyday occurrence, we do not fully understand how this works.
Daniel Strömbom +3 more
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Spontaneously Flowing Crystal of Self-Propelled Particles [PDF]
Physical Review Letters, 2018 We experimentally and numerically study the structure and dynamics of a monodisperse packing of spontaneously aligning self-propelled hard disks. The packings are such that their equilibrium counterparts form perfectly ordered hexagonal structures. Experimentally, we first form a perfect crystal in a hexagonal arena which respects the same crystalline ...
Briand, Guillaume +2 more
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Soft deformable self-propelled particles
, 2012 In this work we investigate the collective behavior of self-propelled particles that deform due to local pairwise interactions. We demonstrate that this deformation alone can induce alignment of the velocity vectors.
A. M. Menzel, T. Ohta
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Unsupervised learning of collective patterns in self-propelled particles through persistent homology [PDF]
EPJ Web of ConferencesWe propose an approach for systematically clustering and visualizing the diverse patterns generated from a system of self-propelled particles. To extract the topological features of these patterns, we integrate topological data analysis based on ...
Suetani Hiromichi
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Collective dynamics of self-propelled particles in confining environments [PDF]
, 2016 Self-propelled particles are a class of far-from-equilibrium systems which present many complex, emergent features that are not obvious from the microscopic dynamics.
Marsden, Elliot James
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Geometry-induced dynamics of confined chiral active matter
Physical Review Research, 2023 Controlling the motion of active matter is a central issue that has recently garnered significant attention in fields ranging from nonequilibrium physics to chemical engineering and biology.
Archit Negi +2 more
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Depinning transition of self-propelled particles
Physical Review EDepinning transitions occur when a threshold force must be applied to drive an otherwise immobile system. For the depinning of colloidal particles from a corrugated landscape, we show how active noise due to self-propulsion impacts the nature of this transition, depending on the speed and the dimensionality $d$ of rotational Brownian motion: the drift ...
Arthur V. Straube, Felix Höfling
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Transport of Coupled Self-propelled Particles with Gaussian Colored Noise
, 2023 The transport of coupled self-propelled particles with colored noise and potential is investigated. Large translational motion noise intensity is good for the transport in $-x$ direction, but large self-correlation time of translational motion noise will
Wu, Wenfei, Wang, Bing
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