Kinetics of orbitally shaken particles constrained to two dimensions

Dhananjay Ipparthi; Tijmen A.G. Hageman; Nicolas Cambier; Metin Sitti; Marco Dorigo; Leon Abelmann; Max Mastrangeli

doi:10.1103/PhysRevE.98.042137

Kinetics of orbitally shaken particles constrained to two dimensions

Dhananjay Ipparthi, Tijmen A.G. Hageman, Nicolas Cambier, Metin Sitti, Marco Dorigo, Leon Abelmann, Max Mastrangeli

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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.

Original language	English
Article number	042137
Pages (from-to)	1-8
Number of pages	8
Journal	Physical Review E
Volume	98
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevE.98.042137
Publication status	Published - 22 Oct 2018
Externally published	Yes

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10.1103/PhysRevE.98.042137

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AU - Hageman, Tijmen A.G.

AU - Cambier, Nicolas

AU - Sitti, Metin

AU - Dorigo, Marco

AU - Abelmann, Leon

AU - Mastrangeli, Max

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AB - 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.

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Kinetics of orbitally shaken particles constrained to two dimensions

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