Accurate freezing and melting equations for the Lennard-Jones system

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Accurate freezing and melting equations for the Lennard-Jones system.

Analyzing three approximate methods to locate liquid-solid coexistence in simple systems, an observation is made that all of them predict the same functional dependence of the temperature on density at freezing and melting of the conventional Lennard-Jones (LJ) system. The emerging equations can be written as T=Aρ(4)+Bρ(2) in normalized units. We suggest to determine the values of the coefficie...

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Three-stage pseudo-supercritical transformation path and multiple-histogram reweighting technique are employed for the determination of solid-liquid coexistence of the Lennard-Jones (12-6) fluid, in a structureless cylindrical pore of radius, R, ranging from 4 to 20 molecular diameters. The Gibbs free energy difference is evaluated using thermodynamic integration method by connecting solid and ...

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ژورنال

عنوان ژورنال: The Journal of Chemical Physics

سال: 2011

ISSN: 0021-9606,1089-7690

DOI: 10.1063/1.3561698