Flexible polymers and thin rods far from equilibrium: Buckling dynamics

Leonardo Golubovic, Dorel Moldovan, and Anatoli Peredera
Phys. Rev. E 61, 1703 – Published 1 February 2000
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Abstract

We investigate the dynamics of the classical Euler buckling instability of compressed objects such as flexible molecular chains and thin rods moving in a viscous medium. We find that flexible chains undergo a coarsening process self-similar in time. They develop a wavelike pattern whose amplitude and wavelength grow in time. We relate the buckling dynamics to phase ordering phenomena. The role of the order parameter here is played by the chain slope with respect to the straight initial chain configuration.

  • Received 21 June 1999

DOI:https://doi.org/10.1103/PhysRevE.61.1703

©2000 American Physical Society

Authors & Affiliations

Leonardo Golubovic*, Dorel Moldovan, and Anatoli Peredera

  • Department of Physics, West Virginia University, Morgantown, West Virginia 26506

  • *Present address: Department of Physics, Harvard University, Cambridge, MA 02138.
  • Present address: Materials Science Division, Argonne National Laboratory, Argonne, IL 60439.

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Vol. 61, Iss. 2 — February 2000

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