论文标题
晶体固体中强驱动电子系统的动力对称性
Dynamical symmetry of strongly light-driven electronic system in crystalline solids
论文作者
论文摘要
Floquet状态在固体中是一种定期且强烈的光驱动量子状态，一直吸引着作为一种新型状态，在超快时间尺度上可以连贯地控制。一个重要的问题是证明在浮标状态下实验新颖的电子特性。证明它们的一种技术是光散射光谱，它为通过极化选择规则的对称分析提供了一个重要的线索来阐明状态的对称性和能量结构。在这里，我们确定了单层MOS2中中红外驱动的浮子系统中光散射的圆形和线性极化选择规则，并就浮力状态的“动力对称性”提供了全面的理解。
The Floquet state, which is a periodically and intensely light driven quantum state in solids, has been attracting attention as a novel state that is coherently controllable on an ultrafast time scale. An important issue has been to demonstrate experimentally novel electronic properties in the Floquet state. One technique to demonstrate them is the light scattering spectroscopy, which offers an important clue to clarifying the symmetries and energy structures of the states through symmetry analysis of the polarization selection rules. Here, we determine circular and linear polarization selection rules of light scattering in a mid-infrared-driven Floquet system in monolayer MoS2 and provide a comprehensive understanding in terms of the "dynamical symmetry" of the Floquet state.
