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Dynamics of wet granular hexagons

DOI zum Zitieren dieses Dokuments: https://doi.org/10.1103/PhysRevE.95.030901
URN to cite this document: urn:nbn:de:bvb:703-epub-3921-7

Title data

Baur, Manuel ; Huang, Kai:
Dynamics of wet granular hexagons.
In: Physical Review E. Vol. 95 (March 2017) Issue 3 . - Art.Nr. 030901.
ISSN 1550-2376
DOI: https://doi.org/10.1103/PhysRevE.95.030901

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Abstract

The collective behavior of vibrated hexagonal disks confined in a monolayer is investigated experimentally. Due to the broken circular symmetry, hexagons prefer to rotate upon sufficiently strong driving. Due to the formation of liquid bridges, short-ranged cohesive interactions are introduced upon wetting. Consequently, a nonequilibrium stationary state with the rotating disks self-organized in a hexagonal structure arises. The bond length of the hexagonal structure is slightly smaller than the circumdiameter of a hexagon, indicating geometric frustration. This investigation provides an example where the collective behavior of granular matter is tuned by the shape of individual particles.

Further data

Item Type: Article in a journal
Keywords: crystal phenomena; granular materials; nonequilibrium and irreversible thermodynamics; imaging and optical processing
DDC Subjects: 500 Science > 530 Physics
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V > Chair Experimental Physics V - Univ.-Prof. Dr. Ingo Rehberg
Profile Fields > Advanced Fields > Nonlinear Dynamics
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V
Profile Fields
Profile Fields > Advanced Fields
Language: English
Originates at UBT: Yes
URN: urn:nbn:de:bvb:703-epub-3921-7
Date Deposited: 07 Dec 2018 12:06
Last Modified: 07 Dec 2018 12:06
URI: https://epub.uni-bayreuth.de/id/eprint/3921

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