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Coherent Dynamic Structure Factor of a Polymer Chain Confined Into a Harmonic Radial Potential
Author(s) -
Dolgushev Maxim,
Krutyeva Margarita
Publication year - 2012
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/mats.201200045
Subject(s) - crossover , chain (unit) , harmonic , polymer , structure factor , limiting , materials science , statistical physics , physics , computer science , condensed matter physics , composite material , engineering , quantum mechanics , mechanical engineering , artificial intelligence
The coherent dynamic structure factor of a single polymer chain is calculated based on the model of a Rouse polymer chain constrained (confined) by a harmonic radial potential and its behavior in different limiting cases is analyzed. The strength of confinement is characterized using an effective diameter of the harmonic radial potential as a model parameter. The method provides a reliable model to study the crossover between unconstrained (Rouse) and constrained dynamics.