Anomalous discontinuity at the percolation critical point of active gels

Sheinman, M.; Sharma, A.; Alvarado, J.; Koenderink, G. H.; MacKintosh, F. C.

doi:10.1103/PhysRevLett.114.098104

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Anomalous discontinuity at the percolation critical point of active gels

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Sheinman, M.
Evolutionary Genomics (Peter Arndt), Dept. of Computational Molecular Biology (Head: Martin Vingron), Max Planck Institute for Molecular Genetics, Max Planck Society;

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Citation

Sheinman, M., Sharma, A., Alvarado, J., Koenderink, G. H., & MacKintosh, F. C. (2015). Anomalous discontinuity at the percolation critical point of active gels. Phys Rev Lett, 114(9): 098104. doi:10.1103/PhysRevLett.114.098104.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-3616-9

Abstract

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.