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arXiv 2406.02112cond-mat.str-elcond-mat.mes-hall
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磁场脉冲下磁斯格明子的对称性调控动力学

Symmetry-Governed Dynamics of Magnetic Skyrmions Under Field Pulses

Vladyslav M. Kuchkin, Bruno Barton-Singer, Pavel F. Bessarab, Nikolai S. Kiselev

AI总结:

该研究针对手性磁斯格明子认知不完整的问题,依据外磁场脉冲响应将其分为静止、平移、旋转三类,明确磁织构对称性的作用,为斯格明子散射等应用相关研究提供新方向。

摘要:

拓扑磁孤子(如斯格明子)展现出引人关注的类粒子特性,这使其在基础研究与实际应用中颇具吸引力。尽管诸多磁系统可将斯格明子作为静态稳定构型存在,但手性磁体因能容纳具有任意拓扑电荷和多样形态的各类斯格明子而尤为突出。虽已有大量研究,人们对手性磁斯格明子仍缺乏完整认知。我们提出了所有手性斯格明子的分类方案,依据其对外磁场脉冲的响应分为三类:静止型、平移型和旋转型,并强调了磁织构对称性在该分类中的作用。具有不同动力学特性的斯格明子为探索斯格明子-斯格明子散射等现象提供了途径,这类现象对未来应用可能至关重要。

英文摘要:

Topological magnetic solitons, such as skyrmions, exhibit intriguing particle-like properties that make them attractive for fundamental research and practical applications. While many magnetic systems can host skyrmions as statically stable configurations, chiral magnets stand out for their ability to accommodate a wide diversity of skyrmions with arbitrary topological charges and varied morphologies. Despite extensive investigation, a complete understanding of chiral magnetic skyrmions has remained elusive. We present a classification of all chiral skyrmions, demonstrating three classes based on their response to external magnetic field pulses: stationary, translating, and rotating. We highlight the role of magnetic texture symmetry in this classification. Skyrmions with varied dynamics offer avenues for exploring phenomena like skyrmion-skyrmion scattering that might be crucial for future applications.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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