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Title: Microscopic theory of solvent-mediated long-range forces: influence of wetting
Authors: Archer, Andrew J.
Evans, Robert
Roth, Roland
Issue Date: 2002
Publisher: IOP Press / © EDP Sciences
Citation: ARCHER, A.J., EVANS, R. and ROTH, R., 2002. Microscopic theory of solvent-mediated long-range forces: influence of wetting. Europhysics Letters, 59 (4), pp. 526 - 532
Abstract: We show that a general density functional approach for calculating the force between two big particles immersed in a solvent of smaller ones can describe systems that exhibit fluid-fluid phase separation: the theory captures effects of strong adsorption (wetting) and of critical fluctuations in the solvent. We illustrate the approach for the Gaussian core model, a simple model of a polymer mixture in solution and find extremely attractive, long-ranged solvent-mediated potentials between the big particles for state points lying close to the binodal, on the side where the solvent is poor in the species which is favoured by the big particles.
Description: This article was published in the journal Europhysics Letter [IOP Press / © EDP Sciences]. The definitive version is available at: http://dx.doi.org/10.1209/epl/i2002-00137-2
Sponsor: AJA was supported by an EPSRC studentship.
Version: Accepted for publication
DOI: 10.1209/epl/i2002-00137-2
URI: https://dspace.lboro.ac.uk/2134/16004
Publisher Link: http://dx.doi.org/10.1209/epl/i2002-00137-2
ISSN: 0295-5075
Appears in Collections:Published Articles (Maths)

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