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Continuum model for polymers with finite thickness
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UNSPECIFIED (2005) Continuum model for polymers with finite thickness. JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 38 (17). L277-L283. doi:10.1088/0305-4470/38/17/L01 ISSN 0305-4470.
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Official URL: http://dx.doi.org/10.1088/0305-4470/38/17/L01
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 | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | ||||
Publisher: | IOP PUBLISHING LTD | ||||
ISSN: | 0305-4470 | ||||
Official Date: | 29 April 2005 | ||||
Dates: |
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Volume: | 38 | ||||
Number: | 17 | ||||
Number of Pages: | 7 | ||||
Page Range: | L277-L283 | ||||
DOI: | 10.1088/0305-4470/38/17/L01 | ||||
Publication Status: | Published |
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