Order–disorder structural transition in a confined fluid

E.M. de la Calleja-Mora, Leandro B. Krott and M.C. Barbosa

Physica A: Statistical Mechanics and its Applications, 2016, vol. 449, issue C, 18-26

Abstract: In this paper we analyze the amorphous/solid to disordered liquid structural phase transitions of an anomalous confined fluid in terms of their fractal dimensions. The model studied is composed by particles interaction through a two-length scales potential confined by two infinite plates. This fluid that in the bulk exhibits water-like anomalies under confinement forms layers of particles. We show that the fluid at the contact layer forms at high densities structures and transitions that can be mapped into fractal dimensions. The multi-fractal singularity spectrum is obtained in all these cases and it is used as the order parameter to quantify the structural transitions for each stage on the confined liquid. This mapping shows that the fractal dimension increases with the density and with the temperature.

Keywords: Anomalous fluids; Phase transitions; Fractal dimension (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:449:y:2016:i:c:p:18-26

DOI: 10.1016/j.physa.2015.10.110

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