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Journal ArticleDOI

Monte-carlo-rechnungen an makromolekülmodellen. 1. Mitt.: Der quadratische mittelwert des fadenendenastands

TLDR
In this paper, Monte Carlo methods have been employed on a high-speed digital computer to generate non-intersecting random chains intended to simulate polymer molecules, and the dependence of the mean-square end-to-end distance on the number of segments has been discussed in terms of two already proposed equations.
Abstract
Monte-Carlo-Methoden wurden benutzt, um mit Hilfe einer Rechenmaschine Zufallsketten zu erzeugen, die als Vorlage fur reale Makromolekule dienen konnen. Dabei wurden zwei gitterfreie Modelle, bei denen entweder Valenz- und Rotationswinkel (A) oder die Rotationswinkel allein (B) frei wahlbar waren, verwendet; die Wirkung des „ausgeschlossnen Volumens” wurde berucksichtigt. Die Abhangigkeit des mittleren Quadrats des Fadenendenabstands von der Segmentzahl wurde an Hand von zwei aus der Literatur bekannten Gleichungen diskutiert. Sie last sich in guter Naherun, durch die Bezichungen h2 = 1,68 n1,203 bzw. h2 = 1,21 n1,248 wiedergeben. Monto Carlo methods have been employed on a high-speed digital computer to generate non-intersecting random chains intended to simulate polymer molecules. For this purpose two nonlattice chain models have been used in which the bond angles and the angles of rotation (A) respectively the angles of rotation only (B) could be randomly chosen. The dependence of the mean-square end-to-end distance on the number of segments has been discussed in terms of two already proposed equations. It is expressed approximately by the equations h2 = 1.68 n1.203 resp. h2 = 1.21 n1.248.

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Journal ArticleDOI

Mean square endpoint separation of off‐lattice self‐avoiding walks

TL;DR: In this paper, a new algorithm combining the features of the enrichment procedure of Wall and Erpenbeck and the dimerization procedure of Alexandrowicz was used to generate ten thousand off-lattice self-avoiding walks of 500 steps.
Journal ArticleDOI

Monte Carlo study of ring polymers

TL;DR: In this article, the mean square radius of gyration of nonintersecting ring polymers of step number (chain length) 6-118 on a tetrahedral lattice has been determined and its standard deviation for each sample have been determined.
Journal ArticleDOI

Off‐lattice Monte Carlo study of ring polymers

TL;DR: In this article, the mean square radius of gyration varies as N 1.24, where N being the number of bonds, and ρ being the radius of the center of mass.
Journal ArticleDOI

Monte Carlo calculations on off-lattice polymer chains. The influence of variation of the excluded volume

W Bruns
- 01 Nov 1977 - 
TL;DR: In this paper, Monte Carlo calculations on off-lattice chains with various ratios lambda of bead diameter to bond length show that gamma and gamma are not 6/5 throughout but depend on lambda.