Generic phases of cross-linked active gels: Relaxation, oscillation and contractility

S Banerjee, Tanniemola B Liverpool, MC Marchetti

Research output: Contribution to journalArticle (Academic Journal)peer-review

14 Citations (Scopus)

Abstract

We study analytically and numerically a generic continuum model of an isotropic active solid with internal stresses generated by nonequilibrium “active” mechano-chemical reactions. Our analysis shows that the gel can be tuned through three classes of dynamical states by increasing motor activity: a constant unstrained state of homogeneous density, a state where the local density exhibits sustained oscillations, and a steady state which is spontaneously contracted, with a uniform mean density.

Original languageEnglish
Article number58004
Number of pages6
JournalEPL
Volume96
Issue number5
DOIs
Publication statusPublished - 22 Nov 2011

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