Relating monomer to centre-of-mass distribution functions in polymer solutions
Soft Condensed Matter
2009-11-07 v2 Statistical Mechanics
Abstract
A relationship between the measurable monomer-monomer structure factor, and the centre-of-mass (CM) structure factor of dilute or semi-dilute polymer solutions is derived from Ornstein-Zernike relations within the ``polymer reference interaction site model'' (PRISM) formalism, by considering the CM of each polymer as an auxiliary site and neglecting direct correlations between the latter and the CM and monomers of neighbouring polymers. The predictions agree well with Monte Carlo data for self-avoiding walk polymers, and are considerably more accurate than the predictions of simple factorization approximations.
Keywords
Cite
@article{arxiv.cond-mat/0110387,
title = {Relating monomer to centre-of-mass distribution functions in polymer solutions},
author = {V. Krakoviack and J. P. Hansen and A. A. Louis},
journal= {arXiv preprint arXiv:cond-mat/0110387},
year = {2009}
}
Comments
uses eps.cls, v2 is close to final published version