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arXiv · 2308.13531

Some spin textures relevant to magnetic moments in the octonion spaces

Zi-Hua Weng
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Abstract

The paper aims to apply the octonions to explore the contribution of some influence factors to magnetic moments, revealing the connection among the influence factors and spin texture. J. C. Maxwell was the first to introduce the quaternions to describe the electromagnetic theory. The subsequent scholars utilize the quaternions and octonions to study the gravitational and electromagnetic theories and so forth. The paper adopts the octonions to research the gravitational and electromagnetic fields, including the octonion angular momentum, torque, and force and so on. When the octonion force is equal to zero under some circumstances, it is able to achieve eight equations independent of each other. In particular, one of eight independent equations reveals the interrelation between the second-torque and the divergence of magnetic moments. One of its deductions is that the directions, magnitudes and frequencies of some terms are capable of impacting the orientation and vortex of magnetic moments, altering the frequency of magnetic vortex clusters. It means that the spin textures are relevant to some external influence factors. Some terms may have an influence on the arrangements of spin textures. The study will be helpful for understanding the physical properties of magnetic skyrmions and merons.

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Zi-Hua Weng. 2023-08-10. Some spin textures relevant to magnetic moments in the octonion spaces. https://doi.org/10.1063/5.0159101

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