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  • Title: Structural transitions in hypersphere fluids: predictions of Kirkwood's approximation.
    Author: Piasecki J, Szymczak P, Kozak JJ.
    Journal: J Chem Phys; 2011 Aug 28; 135(8):084509. PubMed ID: 21895201.
    Abstract:
    We use an analytic criterion for vanishing of exponential damping of correlations developed previously [J. Piasecki et al., J. Chem. Phys. 133, 164507 (2010)] to determine the threshold volume fractions for structural transitions in hard sphere systems in dimensions D = 3, 4, 5, and 6, proceeding from the Yvon-Born-Green hierarchy and using the Kirkwood superposition approximation. We conclude that the theory does predict phase transitions in qualitative agreement with numerical studies. We also derive, within the superposition approximation, the asymptotic form of the analytic condition for occurrence of a structural transition in the D → ∞ limit.
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