Abstract
We map dilute or semidilute solutions of nonintersecting polymer chains
onto a fluid of "soft" particles interacting via a concentration
dependent effective pair potential, by inverting the pair distribution
function of the centers of mass of the initial polymer chains. A
similar inversion is used to derive an effective wall-polymer potential;
these potentials are combined to successfully reproduce the calculated
exact depletion interaction induced by nonintersecting polymers between
two walls. The mapping opens up the possibility of large-scale simulations
of polymer solutions in complex geometries.
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