6533b823fe1ef96bd127f645
RESEARCH PRODUCT
Collective forces in scalar active matter.
Thomas Specksubject
PhysicsCollective behaviorStatistical Mechanics (cond-mat.stat-mech)Active particlesScalar (physics)FOS: Physical sciencesGeneral ChemistryCondensed Matter - Soft Condensed MatterCondensed Matter Physics01 natural sciences010305 fluids & plasmasActive matterClassical mechanics0103 physical sciencesSoft Condensed Matter (cond-mat.soft)010306 general physicsBrownian motionCondensed Matter - Statistical Mechanicsdescription
Large-scale collective behavior in suspensions of many particles can be understood from the balance of statistical forces emerging beyond the direct microscopic particle interactions. Here we review some aspects of the collective forces that can arise in suspensions of self-propelled active Brownian particles: wall forces under confinement, interfacial forces, and forces on immersed bodies mediated by the suspension. Even for non-aligning active particles, these forces are intimately related to a non-uniform polarization of particle orientations induced by walls and bodies, or inhomogeneous density profiles. We conclude by pointing out future directions and promising areas for the application of collective forces in synthetic active matter, as well as their role in living active matter.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2020-01-01 | Soft matter |