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American Physical Society, Physical review E: Statistical, nonlinear, and soft matter physics, 4(80), 2009

DOI: 10.1103/physreve.80.040801

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Tension dynamics and viscoelasticity of extensible wormlike chains

Journal article published in 2009 by Benedikt Obermayer ORCID, Erwin Frey
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The dynamic response of prestressed semiflexible biopolymers is characterized by the propagation and relaxation of tension, which arises due to the near inextensibility of a stiff backbone. It is coupled to the dynamics of contour length stored in thermal undulations, but also to the local relaxation of elongational strain. We present a systematic theory of tension dynamics for stiff yet extensible wormlike chains. Our results show that even moderate prestress gives rise to distinct Rouse-like extensibility signatures in the high-frequency viscoelastic response. ; Comment: 4 pages, 1 figure; corrected typos