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  • Title: Isoviscosity lines and the liquid-glass transition in simple liquids.
    Author: Fomin YD, Brazhkin VV, Ryzhov VN.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2012 Jul; 86(1 Pt 1):011503. PubMed ID: 23005421.
    Abstract:
    This article presents the study of the generic behavior of viscosity of liquids based on some simple theoretical models, the soft-spheres and Lennard-Jones systems. The use of these simple models allows us to investigate in detail the viscosity behavior in a wide range of temperatures and pressures including the high-temperature-high-pressure limits. Based on the simulation results, we discuss the shape of isoviscosity lines and analyze the glass transition at high temperatures and high pressures. Despite the fact that the viscosity drastically increases in the limit of high temperatures and high pressures along the melting line, the relaxation time rapidly decreases in this region, and the system becomes further from the glass transition.
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