ArticleProceedings of the National Academy of Sciences of the United States of America2018
A random first-order transition theory for an active glass.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- Scaling the glassy dynamics of active particles: Tunable fragility and reentrance.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Enhanced long wavelength Mermin-Wagner-Hohenberg fluctuations in active crystals and glasses.Nature communications · 2025Article
- Review
- Yielding behaviour of active particles in bulk and in confinement.Nature physics · 2025Article
- A shape-driven reentrant jamming transition in confluent monolayers of synthetic cell-mimics.Nature communications · 2024Article
- Dynamical heterogeneity in active glasses is inherently different from its equilibrium behavior.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Activity-dependent glassy cell mechanics Ⅰ: Mechanical properties measured with active microrheology.Biophysical journal · 2023Article
- Are cell jamming and unjamming essential in tissue development?Cells & development · 2021Review
- Dense active matter model of motion patterns in confluent cell monolayers.Nature communications · 2020Article
- Active topological glass.Nature communications · 2020Article
- Activity induced delocalization and freezing in self-propelled systems.Scientific reports · 2019Article
- Active dumbbells: Dynamics and morphology in the coexisting region.The European physical journal. E, Soft matter · 2018Article
- Effective temperature of active fluids and sheared soft glassy materials.The European physical journal. E, Soft matter · 2018Article
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6 authors.
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Abstract
How does nonequilibrium activity modify the approach to a glass? This is an important question, since many experiments reveal the near-glassy nature of the cell interior, remodeled by activity. However, different simulations of dense assemblies of active particles, parametrized by a self-propulsion force, [Formula: see text], and persistence time, [Formula: see text], appear to make contradictory predictions about the influence of activity on characteristic features of glass, such as fragility. This calls for a broad conceptual framework to understand active glasses; here, we extend the random first-order transition (RFOT) theory to a dense assembly of self-propelled particles. We compute the active contribution to the configurational entropy through an effective model of a single particle in a caging potential. This simple active extension of RFOT provides excellent quantitative fits to existing simulation results. We find that whereas [Formula: see text] always inhibits glassiness, the effect of [Formula: see text] is more subtle and depends on the microscopic details of activity. In doing so, the theory automatically resolves the apparent contradiction between the simulation models. The theory also makes several testable predictions, which we verify by both existing and new simulation data, and should be viewed as a step toward a more rigorous analytical treatment of active glass.
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