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Title: Screening in Yukawa fluid mixtures
Authors: Archer, Andrew J.
Hopkins, Paul
Evans, Robert
Issue Date: 2006
Publisher: © The American Physical Society
Citation: ARCHER, A.J., HOPKINS, P. and EVANS, R., 2006. Screening in Yukawa fluid mixtures. Physical Review E, 74 (1),010402.
Abstract: The effective pair potential between mesoscopic charged particles in a neutralizing background medium takes a Yukawa form exp (-λr)/r with screening length λ-1. We consider a dilute suspension of such Yukawa particles dispersed in a solvent with correlation length ξ< λ-1 and show that the Yukawa interaction is screened if the pair potentials between solvent particles exhibit Yukawa decay with the same screening length λ-1. However, if the solvent pair potentials are shorter ranged than the solute Yukawa potentials, then the effective potential between pairs of solute particles is unscreened, i.e., the effective potential between the solute particles is equal to the bare potential at large particle separations. © 2006 The American Physical Society.
Description: This article was published in the journal, Physical Review E [© The American Physical Society].
Sponsor: A.J.A. acknowledges the support of EPSRC under Grant No. GR/S28631/01.
Version: Published
DOI: 10.1103/PhysRevE.74.010402
URI: https://dspace.lboro.ac.uk/2134/16024
Publisher Link: http://dx.doi.org/10.1103/PhysRevE.74.010402
ISSN: 1539-3755
Appears in Collections:Published Articles (Maths)

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