# The effect of confinement on the solid-liquid transition in a core-softened potential system

## TL;DR

This study uses computer simulations to explore how confinement affects the phase transitions and anomalies of particles interacting via a core-softened potential, revealing that slit pore width influences melting temperatures at low densities.

## Contribution

It provides a comparative analysis of phase diagrams and anomalous behaviors in 2D and q2D systems under confinement, highlighting the impact of slit pore width on melting temperatures.

## Key findings

- Increased slit pore width lowers melting temperature at low densities.
- Melting temperature remains nearly unchanged at high densities under confinement.
- Confinement significantly influences phase behavior and anomalies in core-softened systems.

## Abstract

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 which is used for a qualitative description of the anomalous behavior of water and some other liquids. We have shown that 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.