论文标题
轨道杂交在各向异性磁场上的作用
Role of orbital hybridization in anisotropic magnetoresistance
论文作者
论文摘要
我们从理论上和数字上表明，铁磁体中的纵向轨道电流取决于磁化方向，这有助于各向异性磁路线（AMR）。这种轨道对AMR的贡献源于动量依赖性的轨道分裂，通常通过轨道各向异性和轨道杂交在多轨系统中存在。我们将后者的轨道杂交作为AMR的未识别起源，也是AMR和轨道霍尔效应的共同起源。
We theoretically and numerically show that longitudinal orbital currents in ferromagnets depend on the magnetization direction, which contribute to the anisotropic magnetoresistance (AMR). This orbital contribution to AMR arises from the momentum-dependent orbital splitting, which is generally present in multi-orbital systems through the orbital anisotropy and the orbital hybridization. We highlight the latter orbital hybridization as an unrecognized origin of AMR and also as a common origin of AMR and orbital Hall effect.
