Freely relaxing polymers remember how they were straightened

Benedikt Obermayer, Wolfram Möbius, Oskar Hallatschek, Erwin Frey, and Klaus Kroy
Phys. Rev. E 79, 021804 – Published 26 February 2009

Abstract

The relaxation of initially straight semiflexible polymers has been discussed mainly with respect to the longest relaxation time. The biologically relevant nonequilibrium dynamics on shorter times is comparatively poorly understood, partly because “initially straight” can be realized in manifold ways. Combining Brownian dynamics simulations and systematic theory, we demonstrate how different experimental preparations give rise to specific short-time and universal long-time dynamics. We also discuss boundary effects and the onset of the stretch-coil transition.

    • Received 11 June 2008

    DOI:https://doi.org/10.1103/PhysRevE.79.021804

    ©2009 American Physical Society

    Authors & Affiliations

    Benedikt Obermayer1, Wolfram Möbius1,2, Oskar Hallatschek3, Erwin Frey1,*, and Klaus Kroy4,†

    • 1Arnold Sommerfeld Center and Center of NanoScience, Ludwig-Maximilians-Universität München, Theresienstrasse 37, 80333 München, Germany
    • 2Institut für Theoretische Physik, Universität zu Köln, Zülpicher Strasse 77, 50937 Köln, Germany
    • 3Max Planck Institute for Dynamics and Self-Organization, 37073 Göttingen, Germany
    • 4Institut für Theoretische Physik, Universität Leipzig, Postfach 100920, 04009 Leipzig, Germany

    • *frey@physik.lmu.de
    • kroy@itp.uni-leipzig.de

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    Issue

    Vol. 79, Iss. 2 — February 2009

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