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Proceedings Paper

Understanding complex matter from simple packing models
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Paper Abstract

By pouring equal balls into a container one obtains disordered packings with fascinating properties which might shed light on several elusive properties of complex materials such as amorphous metals or colloids. In any real experiment with equal-sized spheres one cannot reach packing fractions (fraction of volume occupied by the spheres respect to the total volume, ρ) below the Random Loose Packing limit (RLP, ρ ~ 0.555) or above the Random Close Packing limit (RCP, ρ ~ 0.645) unless order is externally induced. What is happening at these two limits is an open unanswered question. In this paper we address this question by combining statistical geometry and statistical mechanics methods. Evidences of phase transitions occurring at the RLP and RCP limits are reported.

Paper Details

Date Published: 5 January 2008
PDF: 9 pages
Proc. SPIE 6802, Complex Systems II, 68020E (5 January 2008); doi: 10.1117/12.759030
Show Author Affiliations
T. Aste, The Australian National Univ. (Australia)
G. Delaney, The Australian National Univ. (Australia)
T. Di Matteo, The Australian National Univ. (Australia)

Published in SPIE Proceedings Vol. 6802:
Complex Systems II
Derek Abbott; Tomaso Aste; Murray Batchelor; Robert Dewar; Tiziana Di Matteo; Tony Guttmann, Editor(s)

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