This chapter provides the fundamental description of topological spin textures such as skyrmions and hedgehogs. It starts with the explanation of the spin interaction, and expands the explanation to design principle of helical spin textures, skyrmions and hedgehogs. Since it summarizes the both of the experimental and theoretical research on the topological spin textures, it would be useful to the broad readership in the condensed matter physics.

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Introduction

  • Haruto Yoshimochi,
  • Shinichiro Seki

摘要

This chapter provides the fundamental description of topological spin textures such as skyrmions and hedgehogs. It starts with the explanation of the spin interaction, and expands the explanation to design principle of helical spin textures, skyrmions and hedgehogs. Since it summarizes the both of the experimental and theoretical research on the topological spin textures, it would be useful to the broad readership in the condensed matter physics.