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  5. Universal features of annealing and aging in compaction of granular piles.
 
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Universal features of annealing and aging in compaction of granular piles.
File(s)
Gago_Boettcher_2020.pdf (2.2 MB)
Published version
Author(s)
Gago, Paula A
Boettcher, Stefan
Type
Journal Article
Abstract
This paper links the nonequilibrium glassy relaxation behavior of otherwise athermal granular materials to those of thermally activated glasses. Thus, it demonstrates a much wider universality among complex glassy materials out of equilibrium. Our three-dimensional molecular dynamics simulations, fully incorporating friction and inelastic collisions, are designed to reproduce experimental behavior of tapped granular piles. A simple theory based on a dynamics of records explains why the typical phenomenology of annealing and aging after a quench should extend to such granular matter, activated by taps, beyond the more familiar realm of polymers, colloids, and magnetic materials that all exhibit thermal fluctuations.
Date Issued
2020-12-14
Date Acceptance
2020-12-01
Citation
Proceedings of the National Academy of Sciences of USA, 2020, 117 (52), pp.33072-33076
URI
http://hdl.handle.net/10044/1/85198
URL
https://www.pnas.org/content/117/52/33072
DOI
https://www.dx.doi.org/10.1073/pnas.2012757117
ISSN
0027-8424
Publisher
National Academy of Sciences
Start Page
33072
End Page
33076
Journal / Book Title
Proceedings of the National Academy of Sciences of USA
Volume
117
Issue
52
Copyright Statement
© 2020 the Author(s). Published by PNAS. This open access article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).
License URL
https://creativecommons.org/licenses/by-nc-nd/4.0/
Identifier
https://www.ncbi.nlm.nih.gov/pubmed/33318185
PII: 2012757117
Subjects
aging
annealing
glass
granular
record dynamics
Publication Status
Published
Coverage Spatial
United States
Date Publish Online
2020-12-14
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