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  • Colour conductivity of hard spheres

    Author(s)
    Jepps, OG
    Petravic, J
    Griffith University Author(s)
    Jepps, Owen
    Year published
    2004
    Metadata
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    Abstract
    We present an analytic solution for the d-dimensional (d > 1) hard-sphere free flight trajectories in a thermostatted colour field. The solution shows that particles can only reach a finite distance in the direction perpendicular to the field in the absence of collisions. Using a numerical algorithm we designed to simulate many-body hard-sphere systems with curved trajectories, we study the onset of the instability leading to phase separation in the two-dimensional case for a range of field strengths and three densities. For the two fluid densities we find that phase separation occurs for sufficiently strong fields regardless ...
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    We present an analytic solution for the d-dimensional (d > 1) hard-sphere free flight trajectories in a thermostatted colour field. The solution shows that particles can only reach a finite distance in the direction perpendicular to the field in the absence of collisions. Using a numerical algorithm we designed to simulate many-body hard-sphere systems with curved trajectories, we study the onset of the instability leading to phase separation in the two-dimensional case for a range of field strengths and three densities. For the two fluid densities we find that phase separation occurs for sufficiently strong fields regardless of the initial configuration, and that the phase-separated state eventually becomes a collisionless, non-ergodic steady state. For solid densities the phase-separated configuration is stable and conducting, but is not an attractor for other charge distributions because of the impossibility of particle rearrangement.
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    Journal Title
    Molecular Physics
    Volume
    102
    Issue
    5
    Publisher URI
    http://www.tandf.co.uk/journals/tf/00268976.html
    DOI
    https://doi.org/10.1080/00268970410001683889
    Subject
    Physical chemistry
    Theoretical and computational chemistry
    Publication URI
    http://hdl.handle.net/10072/27241
    Collection
    • Journal articles

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