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Issue 3, 2016
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Discretized knot motion on a tensioned fiber induced by transverse waves

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Abstract

Topological entanglement is a ubiquitous feature of many biological as well as artificial polymers and fibers. While the equilibrium properties of entangled chains have been the subject of several studies, little is known about their out-of-equilibrium behavior. Here, we address the problem of a stretched knotted fiber driven by a periodic force applied to one of its termini. We show that the onset of standing waves kinetically traps the knot in spatially localized states where the amplitude of the oscillations is maximal, while the knot normal diffusive dynamics is replaced by a discrete jump dynamics.

Graphical abstract: Discretized knot motion on a tensioned fiber induced by transverse waves

  • This article is part of the themed collection: Polymers
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Article information


Submitted
17 Jul 2015
Accepted
19 Oct 2015
First published
29 Oct 2015

Soft Matter, 2016,12, 669-673
Article type
Communication

Discretized knot motion on a tensioned fiber induced by transverse waves

R. Potestio and L. Tubiana, Soft Matter, 2016, 12, 669
DOI: 10.1039/C5SM01766A

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