论文标题

未固定的二维倾斜迪拉克锥体材料中未阻尼的横向电气模式

Undamped transverse electric mode in undoped two-dimensional tilted Dirac cone materials

论文作者

Jalali-Mola, Z., Jafari, S. A.

论文摘要

横向电(TE)模式无法通过导电固体传播。这是因为导体的粒子孔激发连续性会与TE模式污染并将其降低。但是,在托有倾斜的狄拉克锥(TDC)的固体中,该固体在修改后的Minkowski时空中接受了描述,新的时空结构补救措施此问题,因此倾斜的Dirac Cone材料(TDM)支持了一个未抑制的TE模式的传播,该模式受密度波动的持续。所得的TE模式在费米子速度上繁殖,该速度将模式限制在二维(2D)TDM的表面上。

Transverse electric (TE) modes can not propagate through the conducting solids. This is because the continuum of particle-hole excitations of conductors contaminates with the TE mode and dampes it out. But in solids hosting tilted Dirac cone (TDC) that admit a description in terms of a modified Minkowski spacetime, the new spacetime structure remedies this issue and therefore a tilted Dirac cone material (TDM) supports the propagation of an undamped TE mode which is sustained by density fluctuations. The resulting TE mode propagates at fermionic velocities which strongly confines the mode to the surface of the two-dimensional (2D) TDM.

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