Stretching semiflexible filaments with quenched disorder

Panayotis Benetatos; Eugene M. Terentjev

doi:10.1103/PhysRevE.82.050802

Stretching semiflexible filaments with quenched disorder

Panayotis Benetatos
, Eugene M. Terentjev

University of Cambridge

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We study the effect of quenched randomness in the arc-length dependent spontaneous curvature of a wormlike chain under tension. In the weakly bending approximation in two dimensions, we obtain analytic results for the force-elongation curve and the width of transverse fluctuations. We compare quenched and annealed disorder and conclude that the former cannot always be reduced to a simple change in the stiffness of the pure system. We also discuss the effect of a random transverse force on the stretching response of a wormlike chain without spontaneous curvature.

Original language	English
Article number	050802
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	82
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevE.82.050802
State	Published - 9 Nov 2010

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10.1103/PhysRevE.82.050802

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title = "Stretching semiflexible filaments with quenched disorder",

abstract = "We study the effect of quenched randomness in the arc-length dependent spontaneous curvature of a wormlike chain under tension. In the weakly bending approximation in two dimensions, we obtain analytic results for the force-elongation curve and the width of transverse fluctuations. We compare quenched and annealed disorder and conclude that the former cannot always be reduced to a simple change in the stiffness of the pure system. We also discuss the effect of a random transverse force on the stretching response of a wormlike chain without spontaneous curvature.",

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AU - Terentjev, Eugene M.

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N2 - We study the effect of quenched randomness in the arc-length dependent spontaneous curvature of a wormlike chain under tension. In the weakly bending approximation in two dimensions, we obtain analytic results for the force-elongation curve and the width of transverse fluctuations. We compare quenched and annealed disorder and conclude that the former cannot always be reduced to a simple change in the stiffness of the pure system. We also discuss the effect of a random transverse force on the stretching response of a wormlike chain without spontaneous curvature.

AB - We study the effect of quenched randomness in the arc-length dependent spontaneous curvature of a wormlike chain under tension. In the weakly bending approximation in two dimensions, we obtain analytic results for the force-elongation curve and the width of transverse fluctuations. We compare quenched and annealed disorder and conclude that the former cannot always be reduced to a simple change in the stiffness of the pure system. We also discuss the effect of a random transverse force on the stretching response of a wormlike chain without spontaneous curvature.

UR - https://www.scopus.com/pages/publications/78651353736

U2 - 10.1103/PhysRevE.82.050802

DO - 10.1103/PhysRevE.82.050802

M3 - Article

AN - SCOPUS:78651353736

SN - 1539-3755

VL - 82

JO - Physical Review E - Statistical, Nonlinear, and Soft Matter Physics

JF - Physical Review E - Statistical, Nonlinear, and Soft Matter Physics

IS - 5

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ER -

Stretching semiflexible filaments with quenched disorder

Abstract

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