Emergent Electromagnetism Induced by Skyrmions and Monopoles(Research)

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Other Title
  • 磁気スキルミオンとモノポールの織りなす創発的電磁現象(最近の研究から)
  • 磁気スキルミオンとモノポールの織りなす創発的電磁現象
  • ジキ スキルミオン ト モノポール ノ オリナス ソウハツテキ デンジ ゲンショウ

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Description

We investigate electromagnetic phenomena in the merging process of skyrmions in a chiral magnet, in which monopoles of spin textures are accompanied. We especially focus on the spin-orbit coupling inherent in chiral magnets. The effective electromagnetic field and charge currents induced by the spin dynamics are obtained. We found that the adiabatic dynamics produce a dissipationless current that originates from the spin-orbit coupling. Furthermore, the distribution of the obtained effective electromagnetic field generated by the moving monopole implies that the monopole behaves like a dyon.

Journal

  • Butsuri

    Butsuri 70 (11), 830-834, 2015-11-05

    The Physical Society of Japan

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