Kinetics of orbitally shaken particles constrained to two dimensions

Journal article (2018)

Authors

Dhananjay Ipparthi Vrije Universiteit Brussel
Tijmen A.G. Hageman University of Twente, Saarland University
Nicolas Cambier EA 4297 TIMR UTC/ESCOM
Metin Sitti Max Planck Institute for Intelligent Systems
Marco Dorigo Vrije Universiteit Brussel
Leon Abelmann University of Twente, Saarland University
Massimo Mastrangeli Max Planck Institute for Intelligent Systems
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Published Date

22-10-2018

Language

English

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Abstract

We present an experimental study of the kinetics of orbitally-shaken, sliding macroscopic particles confined to a two-dimensional space bounded by walls. Discounting the forcing action of the external periodic actuation, the particles undergo a qualitative transition from a ballistic to a diffusive motion regime with time. Despite the deterministic input of kinetic energy provided by the shaker, the particles show translational velocities and diffusivity consistent with a confined random walk model. Such experimental system may therefore represent a suitable macroscopic analog to investigate aspects of molecular dynamics and self-assembly.