The effect of confinement on the solid–liquid transition in a core-softened potential systemстатья
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Аннотация:We present a comparative computer simulation study of the phase diagrams and anomalous behavior of two-dimensional (2D) and quasi-two-dimensional (q2D) classical particles interacting with each other through isotropic core-softened potential. This kind of systems resembles some properties of water (for instance, the density and diffusion anomalies) and because of this they can be used to reveal some mechanisms of the anomalous behavior of water. We have shown that confinement does not change the melting scenario of a q2D system in comparison with the 2D case. At the low density part of the phase diagram an increase in the width of the confining slit pore leads to a considerable decrease in the melting temperature while at high densities the melting temperature is almost unchanged.