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Dynamical Heterogeneities in Glasses, Colloids, and Granular Media$
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Ludovic Berthier, Giulio Biroli, Jean-Philippe Bouchaud, Luca Cipelletti, and Wim van Saarloos

Print publication date: 2011

Print ISBN-13: 9780199691470

Published to Oxford Scholarship Online: September 2011

DOI: 10.1093/acprof:oso/9780199691470.001.0001

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The jamming scenario—an introduction and outlook

The jamming scenario—an introduction and outlook

Chapter:
(p.298) 9 The jamming scenario—an introduction and outlook
Source:
Dynamical Heterogeneities in Glasses, Colloids, and Granular Media
Author(s):

Andrea J. Liu

Sidney R. Nagel

Wim van Saarloos

Matthieu Wyart

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199691470.003.0009

The jamming scenario of disordered media, formulated about ten years ago, has in recent years been advanced by analyzing model systems of granular media. This has led to various new concepts that are increasingly being explored a variety of systems. This chapter contains an introductory review of these recent developments and provides an outlook on their applicability to different physical systems and on future directions. The first part of the chapter is devoted to an overview of the findings for model systems of frictionless spheres, focusing on the excess of low‐frequency modes as the jamming point is approached. Particular attention is paid to a discussion of the crossover frequency and length scales that govern this approach. It then discusses the effects of particle asphericity and static friction, the applicability to bubble models for wet foams in which the friction is dynamic, the dynamical arrest in colloids, and the implications for molecular glasses.

Keywords:   glass transition, dynamical heterogeneity, jamming, soft modes, soft spheres

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