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Grand canonical simulation of phase behaviour in highly size-asymmetrical binary fluids


Reference:

Ashton, D. J. and Wilding, N. B., 2011. Grand canonical simulation of phase behaviour in highly size-asymmetrical binary fluids. Molecular Physics, 109 (7-10), pp. 999-1007.

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    Official URL:

    http://dx.doi.org/10.1080/00268976.2010.482067

    Abstract

    We describe a Monte Carlo scheme for the grand canonical simulation study of fluid phase equilibria in highly size-asymmetrical binary mixtures. The method utilises an expanded ensemble in which the insertion and deletion of large particles is accomplished gradually by traversing a series of states in which a large particle interacts only partially with the environment of small particles. Free energy barriers arising from interfacial coexistence states are surmounted with the aid of multicanonical preweighting, the associated weights being determined from the transition matrix. As an illustration, we present results for the liquid-vapour coexistence properties of a Lennard-Jones binary mixture having a 10 : 1 size ratio.

    Details

    Item Type Articles
    CreatorsAshton, D. J.and Wilding, N. B.
    DOI10.1080/00268976.2010.482067
    Uncontrolled Keywordsmonte carlo simulation, size-asymmetric binary mixtures, phase behaviour
    DepartmentsFaculty of Science > Physics
    Publisher StatementWilding_MolPhy_2011_109_7-10_999.pdf: This is an electronic version of an article published in: Ashton, D. J. and Wilding, N. B., 2011. Grand canonical simulation of phase behaviour in highly size-asymmetrical binary fluids. Molecular Physics, 109 (7-10), pp. 999-1007. Molecular Physics is available online at: http://www.informaworld.com/openurl?genre=article&issn=0026%2d8976&volume=109&issue=7&spage=999
    RefereedYes
    StatusPublished
    ID Code23798

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