Propagation and Relaxation of Tension in Stiff Polymers

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We present a unified theory for the longitudinal dynamic response of a stiff polymer in solution to various external perturbations (mechanical excitations, hydrodynamic flows, electrical fields, temperature quenches ...) that can be represented as sudden changes of ambient/boundary conditions. The theory relies on a comprehensive analysis of the non--equilibrium propagation and relaxation of backbone stresses in a wormlike chain. We recover and substantially extend previous results based on heuristic arguments. Intriguing new experimental implications are pointed out.
4 pages, 3 figures

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Soft Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/23979

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0405367
 http://arxiv.org/abs/cond-mat/0405367
 Phys. Rev. Lett. 94, 077804 (2005)
 doi:10.1103/PhysRevLett.94.077804

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arXiv