Entropic and conformational study of isolated double-tethered chains by three-dimensional lattice simulations

Kazuhito Shida, Atsuo Kasuya and Yoshiyuki Kawazoe

Physica A: Statistical Mechanics and its Applications, 2007, vol. 382, issue 2, 405-414

Abstract: Double-tethered polymers are a kind of linear polymer with a peculiar topological constraint; that is, both of its end-points are attached to a plane which the polymer segments cannot penetrate. The effects of the constraint on the polymer's configurational and entropic properties were investigated by means of a three-dimensional lattice simulation that combined a previously proposed idea with a very efficient chain generation algorithm. In particular, the value of a topology-dependent critical exponent was estimated for the double-tethered configurations. This data is the first report on isolated and double-tethered chains. Also, two optional types of tethered-polymer were investigated as asymptotes of the double- and single-tethered configurations.

Keywords: Lattice polymers; Surface attached; Improved sampling (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:382:y:2007:i:2:p:405-414

DOI: 10.1016/j.physa.2007.04.024

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