UNSPECIFIED. (2005) Continuum model for polymers with finite thickness. JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 38 (17). L277-L283. ISSN 0305-4470

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Abstract

We consider the continuum limit of a recently introduced model for discretized thick polymers, or tubes. We address both analytically and numerically how the polymer thickness influences the decay of tangent-tangent correlations and find how the persistence length scales with the thickness and the torsional rigidity of the tube centreline. At variance with the worm-like chain model, the phase diagram that we obtain for a continuous tube is richer; in particular, for a given polymer thickness there exists a threshold value for the centreline torsional rigidity separating a simple exponential decay of the tangent-tangent correlation from an oscillatory one.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL
Publisher:	IOP PUBLISHING LTD
ISSN:	0305-4470
Date:	29 April 2005
Volume:	38
Number:	17
Number of Pages:	7
Page Range:	L277-L283
Identification Number:	10.1088/0305-4470/38/17/L01
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/7016

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