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Anomalous discontinuity at the percolation critical point of active gels

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arxiv 1402.0907 v3 pith:FEJRUSR3 submitted 2014-02-04 cond-mat.stat-mech cond-mat.soft

Anomalous discontinuity at the percolation critical point of active gels

M. Sheinman , A. Sharma , J. Alvarado , G. H. Koenderink , F. C. MacKintosh This is my paper
classification cond-mat.stat-mech cond-mat.soft
keywords percolationactivecriticaldiscontinuitygelsmodelremodelingtransition
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We develop a percolation model motivated by recent experimental studies of gels with active network remodeling by molecular motors. This remodeling was found to lead to a critical state reminiscent of random percolation (RP), but with a cluster distribution inconsistent with RP. Our model not only can account for these experiments, but also exhibits an unusual type of mixed phase transition: We find that the transition is characterized by signatures of criticality, but with a discontinuity in the order parameter.

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