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On the length distribution of semi‐flexible linear micelles
Author(s) -
Carl Wilfried,
Rouault Yannick
Publication year - 1998
Publication title -
macromolecular theory and simulations
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.37
H-Index - 56
eISSN - 1521-3919
pISSN - 1022-1344
DOI - 10.1002/(sici)1521-3919(19980901)7:5<497::aid-mats497>3.0.co;2-b
Subject(s) - micelle , stiffness , monotonic function , distribution (mathematics) , excluded volume , lattice (music) , materials science , exponential function , mechanics , statistical physics , chemical physics , chemistry , mathematics , physics , mathematical analysis , polymer , composite material , aqueous solution , acoustics
The influence of variable stiffness on the length distribution of linear micelles is examined. With increasing stiffness, the average micelle length decreases and the fragment distribution changes qualitatively. While the flexible case yields a simple exponential distribution, for semi‐flexible chains a non‐monotonic length distribution with a maximum for dimers occurs. These results are compared to simulations of a two‐dimensional lattice model of self‐avoiding micelles. The short‐range excluded volume of the chain, which leads to a non‐reversing random walk, is found to act as an effective stiffness.