论文标题
Bi2se3thin膜中的可调辐射场辅助量子旋转厅阶段
Tunable Radiation Field Aided Quantum Spin Hall Phase in Bi2Se3Thin Film
论文作者
论文摘要
我们通过用磁性杂质掺杂的鞭毛硒化型纤维化圆形辐射场的正常发生率显示了刚刚起步的量子自旋大厅阶段。为此，我们从低能的二维，依赖时间依赖的哈密顿人开始。哈密顿量的时间依赖性是由于相关量规场描述的光场引起的。我们在高频限制中利用浮球理论来研究系统。从量子异常的霍尔相中，当入射辐射的强度很高时，光场可调性导致旋转霍尔相的出现。有趣的是，即使在存在磁杂质的情况下，在这里也可以实现前阶段。
We show fledgling quantum spin Hall phase by the normal incidence of near-infrared circularly polarized radiation field on Bismuth Selenide doped with magnetic impurities. For this purpose, we start with a low-energy two-dimensional, time-dependent Hamiltonian. The time dependence in the Hamiltonian arises due to the optical field describable by the associated gauge field. We make use of the Floquet theory in the high-frequency limit to investigate the system. The optical field tuneability leads to the emergence of the spin Hall phase, when intensity of the incident radiation is high, from the quantum anomalous Hall phase. Interestingly, the former phase is achievable here even in the presence of the magnetic impurities.
