First-order transition in the stacked-J1-J2 Ising model on a cubic lattice

A.O. Sorokin

Physica A: Statistical Mechanics and its Applications, 2022, vol. 602, issue C

Abstract: We investigate critical properties of the stacked-J1-J2 Ising model on a cubic lattice. Using Monte Carlo simulations and renormalization group, we find a single phase transition of the first order for J2/J1>1/2. The renormgroup approach predicts that a transition can be of the second order from the universality class of the O(2) model, but the Monte Carlo results show another set of critical exponents: exponents continuously vary form the values typical for a first-order transition in the finite-size scaling theory at 1/2Keywords: Phase transitions; Frustrated spin systems; Monte Carlo simulations; Ising model (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:602:y:2022:i:c:s0378437122004216

DOI: 10.1016/j.physa.2022.127621

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