Specific heat of two-dimensional diluted magnets

TL;DR

This paper investigates the specific heat behavior of a two-dimensional diluted Ising model using Monte Carlo simulations, focusing on critical phenomena and the appearance of a non-singular maximum above the transition temperature.

Contribution

It provides new insights into the critical behavior and specific heat features of the diluted 2D Ising model through detailed Monte Carlo analysis.

Findings

Identification of a non-singular maximum in specific heat above the transition temperature

Analysis of critical behavior in the presence of site dilution

Characterization of the effects of defects on phase transition properties

Abstract

Using Monte Carlo techniques, the two-dimensional site-diluted Ising model is studied. In particular, properties of the specific heat, its critical behaviour and the emergence of a non-singular maximum above the transition temperature at moderate concentration of defects, are discussed.