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Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Dec;90(6):062602. doi: 10.1103/PhysRevE.90.062602. Epub 2014 Dec 22.

Confined polymers in the extended de Gennes regime.

Physical review. E, Statistical, nonlinear, and soft matter physics

E Werner, B Mehlig

Affiliations

  1. Department of Physics, University of Gothenburg, SE-40530 Gothenburg, Sweden.

PMID: 25615121 DOI: 10.1103/PhysRevE.90.062602

Abstract

We show that the problem of describing the conformations of a semiflexible polymer confined to a channel can be mapped onto an exactly solvable model in the so-called extended de Gennes regime. This regime (where the polymer is neither weakly nor strongly confined) has recently been intensively studied experimentally and by means of computer simulations. The exact solution predicts precisely how the conformational fluctuations depend upon the channel width and upon the microscopic parameters characterizing the physical properties of the polymer.

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