动态磁场中的skyrmins：迟滞行为

IF 3.1 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Physica A: Statistical Mechanics and its Applications Pub Date : 2025-02-01 Epub Date: 2025-01-03 DOI:10.1016/j.physa.2024.130332

Aymila Akyıldız , Ümit Akıncı

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引用次数: 0

摘要

采用蒙特卡罗模拟方法研究了包含最近邻自旋与外部时变周期磁场之间的交换相互作用和DMI的海森堡模型中方形晶格的天空粒子特性。得到了场的振幅和周期对晶格天子特性的影响。结果表明，在晶格的磁化过程中，斯基米子数在场的一个周期内具有滞后性。

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Skyrmions in dynamic magnetic field: Hysteresis behavior

The behavior of the skyrmionic character of the square lattice with the Heisenberg model which contains exchange interaction and DMI between the nearest neighbor spins and external time-dependent periodic magnetic field is investigated by Monte Carlo simulation. The effect of the amplitude and period of the field on the skyrmionic character of the lattice was obtained. It is shown that, as in the magnetization of the lattice, the skyrmion number has a hysteretic character in one period of the field.

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来源期刊

Physica A: Statistical Mechanics and its Applications 物理-物理：综合

CiteScore

7.20

自引率

9.10%

发文量

852

审稿时长

6.6 months

期刊介绍： Physica A: Statistical Mechanics and its Applications Recognized by the European Physical Society Physica A publishes research in the field of statistical mechanics and its applications. Statistical mechanics sets out to explain the behaviour of macroscopic systems by studying the statistical properties of their microscopic constituents. Applications of the techniques of statistical mechanics are widespread, and include: applications to physical systems such as solids, liquids and gases; applications to chemical and biological systems (colloids, interfaces, complex fluids, polymers and biopolymers, cell physics); and other interdisciplinary applications to for instance biological, economical and sociological systems.