Testing the generalized conjugate field formalism in the kinetic Ising model with nonantisymmetric magnetic fields: A Monte Carlo simulation study

TL;DR

This study uses Monte Carlo simulations to explore dynamic phase transitions in a honeycomb lattice Ising model under time-dependent magnetic fields, validating a generalized conjugate field formalism and revealing new dynamic behaviors.

Contribution

It demonstrates the applicability of the generalized conjugate field formalism to nonantisymmetric magnetic fields in the kinetic Ising model and investigates associated dynamic phase transitions.

Findings

Second order dynamic phase transition identified.

Generalized conjugate field formalism validated for broken half-wave anti-symmetry.

Dynamic scaling exponent deviates from equilibrium value with non-zero second magnetic field component.

Abstract

We have performed Monte Carlo simulations for the investigation of dynamic phase transitions on a honeycomb lattice which has garnered a significant amount of interest from the viewpoint of tailoring the intrinsic magnetism in two-dimensional materials. For the system under the influence of time-dependent magnetic field sequences exhibiting the half-wave anti-symmetry, we have located a second order dynamic phase transition between dynamic ferromagnetic and dynamic paramagnetic states. Particular emphasis was devoted for the examination of the generalized conjugate field formalism previously introduced in the kinetic Ising model [\color{blue}Quintana and Berger, Phys. Rev. E \textbf{104}, 044125 (202); Phys. Rev. E \textbf{109}, 054112] \color{black}. Based on the simulation data, in the presence of a second magnetic field component with amplitude $H_{2}$ and period $P/2$, the half-wave anti-symmetry is broken and the generalized conjugate field formalism is found to be valid for the present system. However, dynamic scaling exponent significantly deviates from its equilibrium value along with the manifestation of a dynamically field polarized state for non-vanishing $H_{2}$ values.