Magneto-Optical Transport Properties of Type-II Nodal Line Semimetals

被引:3
|
作者
Sun, Yanmei [1 ]
Li, Jing [1 ]
Zhao, Hui [1 ]
Wu, Meimei [1 ]
Pan, Hui [1 ]
机构
[1] Beihang Univ, Dept Phys, Beijing 100191, Peoples R China
关键词
magneto-optical response; landau levels; type-II nodal line semimetals; DIRAC SEMIMETAL; LANDAU-LEVELS; CONDUCTIVITY;
D O I
10.3390/ma14113035
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We investigate the magneto-optical transport properties and Landau levels of type-II nodal line semimetals. The tilted liner dispersion in type-II nodal line semimetals makes the conduction band and valence band asymmetric, and Landau levels are coupling in the presence of a magnetic field. We find the background of absorption peaks is curved. The oscillation peaks are tailless with the change of magnetic field. Through tuning tilt term, we find the absorption peaks of optical conductivity change from incomplete degenerate structure to splitting double peaks structure. We also find interband absorption peaks is no longer zero in the imaginary part of Hall conductivity. With the change of the tilt term, the contribution of the absorption peak has two forms, one is that the negative peak only appears at high frequencies, and the other is two adjacent peaks with opposite signs. In addition, the resistivity, circularly polarized light and magnetic oscillation of Hall conductivity are studied.
引用
收藏
页数:12
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