磁应变黑磷中Laser引起的透射抑制
Laser induced suppression of transmission in magnetically strained black phosphorus
摘要：
本文在冲击波作用下，根据Floquet理论，研究了连续激光调制下单层磷烯中电荷通过矩形矢量势垒的输运。激光自由透射曲线显示出很强的方向性，其准直性取决于入射能量和势垒的宽度。然而，激光的应用，沿锯齿形方向偏振，创建一个尖锐的反共振的透射光谱，并揭示了一个强大的光的物质相互作用，由于对称性破缺的存在下的磁矢势。通过矢量势垒的传输特性被发现是敏感的，特别是对于较低的频率和较高的强度的激光。对于一个薄的障碍，激光辅助电导被抑制显着的对比，其振荡性质为一个较厚的。
英文摘要：
Charge transport through a rectangular vector potential barrier modulated by a continuum laser in monolayer phosphorene is studied theoretically in the ballistic regime along the line of Floquet formalism. Laser free transmission profile displays strong directional behavior exhibiting collimation depending on the incident energy and width of the barrier. However, the application of laser, polarized along the zig-zag direction, creates a sharp anti-resonance in the transmission spectrum and reveals a strong light matter interaction due to broken symmetry in presence of the magnetic vector potential. Transmission properties through a vector barrier are found to be sensitive particularly for lower frequency and higher intensity of the laser. For a thin barrier, the laser assisted conductance is suppressed remarkably in contrast to its oscillatory nature for a thicker one.
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