Active jamming: Self-propelled soft particles at high density

Silke Henkes, Yaouen Fily, M Cristina Marchetti

Research output: Contribution to journalArticle

168 Citations (Scopus)

Abstract

We study numerically the phases and dynamics of a dense collection of self-propelled particles with soft repulsive interactions in two dimensions. The model is motivated by recent in vitro experiments on confluent monolayers of migratory epithelial and endothelial cells. The phase diagram exhibits a liquid phase with giant number fluctuations at low packing fraction φ and high self-propulsion speed v 0 and a jammed phase at high φ and low v 0. The dynamics of the jammed phase is controlled by the low-frequency modes of the jammed packing.

Original languageEnglish (US)
Article number040301
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume84
Issue number4
DOIs
StatePublished - Oct 12 2011

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jamming
Jamming
propulsion
Packing
liquid phases
phase diagrams
low frequencies
Endothelial Cells
Phase Diagram
Low Frequency
Two Dimensions
interactions
Liquid
Fluctuations
Interaction
Experiment
Model

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Statistics and Probability

Cite this

Active jamming : Self-propelled soft particles at high density. / Henkes, Silke; Fily, Yaouen; Marchetti, M Cristina.

In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, Vol. 84, No. 4, 040301, 12.10.2011.

Research output: Contribution to journalArticle

Henkes, Silke ; Fily, Yaouen ; Marchetti, M Cristina. / Active jamming : Self-propelled soft particles at high density. In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 2011 ; Vol. 84, No. 4.
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