✦ LIBER ✦

Short-chain behaviour of star-branched nonreversal random walks embedded in a tetrahedral lattice

✍ Scribed by Zifferer, Gerhard

Publisher: Wiley (John Wiley & Sons)
Year: 1993
Weight: 772 KB
Volume: 2
Category: Article
ISSN: 1018-5054
DOI: 10.1002/mats.1993.040020303

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✦ Synopsis

Abstract

Analytical results are presented for the mean‐square dimensions of star‐branched nonreversal random walk polymers on a tetrahedral lattice considering short‐chain effects and the influence of the core (centre) of the star. They are checked against numerical results obtained from highly precise Monte Carlo calculations. Short‐chain effects are studied in detail. In addition, the deviation from proportionality between mean‐square dimensions and the total chain‐length is evaluated and compared to that for self‐avoiding chains and stars near theta‐conditions, the total chain‐lengths ranging from 125 to 3845 segments.

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The shape-asymmetry of linear and star-branched nonreversal random walk polymers on a tetrahedral lattice is studied by means of a Monte Carlo simulation. Properties characteristic of the instantaneous shape based on the mean-square radius of gyration and its principal components as well as based on