标题： 本征磁性拓扑绝缘体MnBi2Te4量子线的电子结构 显示英文标题

标题： The electronic structure of intrinsic magnetic topological insulator MnBi2Te4 quantum wires

摘要： 铁磁和反铁磁纳米结构对于基础自旋电子学器件至关重要，由于其在自旋电子学中的潜在应用，我们从理论上研究了圆柱形本征磁性拓扑绝缘体$\mathrm{MnBi_{2}Te_{4}}$量子线的铁磁和反铁磁相的电子结构。 我们证明，在铁磁相中，几个表面态存在于体能隙之间，并且只有一个自旋分支。 在反铁磁相中，我们表明，在量子线的能量间隙之间存在三个共存的状态。 显示英文摘要

摘要： The ferromagnetic and antiferromagnetic nanostructure are crucial for fundamental spintronics devices, motivated by its potential application in spintronics, we theoretically investigate the electronic structure of the ferromagnetic and antiferromagnetic phases of the cylindrical intrinsically magnetic topological insulator $\mathrm{MnBi_{2}Te_{4}}$ quantum wires for both cases. We demonstrate that a few surface states exist between the bulk band gap in the ferromagnetic phase, with only one spin branch. In the antiferromagnetic phase, we show that three coexistent states exist between the energy gaps of the quantum wires.