PMID: 11909130Mar 23, 2002Paper

Exact calculations of the paranematic interaction energy for colloidal dispersions in the isotropic phase of a nematogenic material

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
J B Fournier, P Galatola

Abstract

In a recent paper [Phys. Rev. E 61, 2831 (2000)], Borstnik, Stark, and Zumer have studied the stability of a colloidal dispersion of micron-sized spherical particles in the isotropic phase of a nematogenic material. Close to the nematic transition, the attraction due to a surface-induced paranematic order can yield flocculation. Their calculation of the nematic-mediated interaction was based on an ansatz for the order-parameter profile. We compare it with an exact numerical calculation, showing that their results are qualitatively correct. Besides, we point out that in the considered regime, the exact interaction is extremely well approximated by a simple analytical formula which is asymptotically exact.

References

Mar 21, 1997·Science·P PoulinD A Weitz
Apr 20, 2001·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·D AndrienkoM P Allen
May 1, 2001·Physical Review Letters·P Galatola, J B Fournier
Aug 11, 2001·Physical Review Letters·R Yamamoto
Apr 24, 2002·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·A BorstnikS Zumer

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Citations

May 24, 2013·The Journal of Chemical Physics·Jonathan K WhitmerJuan J de Pablo
Jul 21, 2004·The Journal of Chemical Physics·Evelina B KimJuan J de Pablo
Oct 4, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Jun-ichi FukudaHiroshi Yokoyama
Apr 12, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Paolo GalatolaHolger Stark
Jun 1, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Jun-ichi FukudaHiroshi Yokoyama
Nov 22, 2002·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Holger Stark

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