Orbital Crossing on Split Fermi Surfaces in Noncentrosymmetric Yb<sub>4</sub>Sb<sub>3</sub>
作者: Noriaki KimuraHiroki SanoMakoto ShirakawaAkira OchiaiHiroki FunashimaHisatomo Harima
刊名: Journal of the Physical Society of Japan, 2018, Vol.87 (11)
来源数据库: The physical Society of Japan
DOI: 10.7566/JPSJ.87.114708
原始语种摘要: We report the de Haas–van Alphen (dHvA) effect for noncentrosymmetric Yb4Sb3. The theoretically expected electronic structure consists of pairs of split Fermi surfaces due to the antisymmetric spin–orbit interaction (ASOI). We found multiple (more than two) dHvA signals from some of the pairs. We attribute them to the result of orbital crossing at degenerate points of the split Fermi surfaces. There are two carrier paths: one intersects and the other passes through the crossing (degenerate) point. Strikingly, the probability of intersection is different in each Fermi surface pair and field direction. By considering the spin texture characterized by the ASOI, we demonstrate that we can judge whether a spin flip occurs at the crossing point during cyclotron motion.
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关键词翻译
关键词翻译
  • intersection 交叉
  • degenerate 退化
  • texture 结构
  • point 
  • demonstrate 说明
  • attribute 属性
  • motion 运动
  • crossing 交差点
  • considering 鉴于
  • cyclotron 回旋加速器