Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 106, Issue 36, Pages 15209-15213Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.0902443106
Keywords
dimer coverings; dynamic heterogeneity; glass transition; lozenge tilings
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Funding
- Engineering and Physical Sciences Research Council [EP/D048761/1]
- Engineering and Physical Sciences Research Council [EP/D048761/1] Funding Source: researchfish
- EPSRC [EP/D048761/1] Funding Source: UKRI
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We have recently shown that p-terphenyl-3,5,3',5'-tetracarboxylic acid adsorbed on graphite self-assembles into a two-dimensional rhombus random tiling. This tiling is close to ideal, displaying long-range correlations punctuated by sparse localized tiling defects. In this article we explore the analogy between dynamic arrest in this type of random tilings and that of structural glasses. We show that the structural relaxation of these systems is via the propagation-reaction of tiling defects, giving rise to dynamic heterogeneity. We study the scaling properties of the dynamics and discuss connections with kinetically constrained models of glasses.
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