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Analog of surface melting in a macroscopic nonequilibrium system

DOI zum Zitieren dieses Dokuments: https://doi.org/10.1103/PhysRevE.88.062201
URN to cite this document: urn:nbn:de:bvb:703-epub-3940-3

Title data

May, Christopher ; Wild, Michael ; Rehberg, Ingo ; Huang, Kai:
Analog of surface melting in a macroscopic nonequilibrium system.
In: Physical Review E. Vol. 88 (5 December 2013) Issue 6 . - Art.Nr. 062201.
ISSN 1550-2376
DOI: https://doi.org/10.1103/PhysRevE.88.062201

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Abstract

Agitated wet granular matter can be considered as a nonequilibrium model system for phase transitions, where the macroscopic particles replace the molecules and the capillary bridges replace molecular bonds. It is demonstrated experimentally that a two-dimensional wet granular crystal driven far from thermal equilibrium melts from its free surface, preceded by an amorphous state. The transition into the surface melting state, as revealed by the bond orientational order parameters, behaves like a first order phase transition, with a threshold being traceable to the rupture energy of a single capillary bridge. The observation of such a transition in the macroscopic nonequilibrium system triggers the question of the universality of surface melting.

Further data

Item Type: Article in a journal
Keywords: Granular systems; Nonequilibrium and irreversible thermodynamics; Solid-liquid transitions.
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-3940-3
Date Deposited: 21 Jan 2019 13:47
Last Modified: 23 Jan 2019 08:35
URI: https://epub.uni-bayreuth.de/id/eprint/3940

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