Analysis of Dirac and Weyl points in topological semimetals via oscillation effects

被引：3

作者：

Mikitik, G. P. ^{[1
]}

Sharlai, Yu. V. ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkiv, Ukraine

来源：

LOW TEMPERATURE PHYSICS | 2021年 / 47卷 / 04期

关键词：

topological semimetals; Weyl point; Dirac point; TaAs; oscillation effects in Weyl semimetals; BERRY PHASE; ULTRAHIGH MOBILITY; FERMI-SURFACE; MAGNETORESISTANCE; CD3AS2; TRANSPORT;

D O I：

10.1063/10.0003743

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We calculate the extremal cross-sectional areas and cyclotron masses for the Fermi-surface pockets in Dirac and Weyl topological semimetals. The calculation is carried out for the most general form of the electron energy bands in the vicinity of the Weyl and Dirac points. Using the obtained formulas, one can find parameters characterizing the Dirac and Weyl electrons in the topological semimetals from appropriate experimental data. As an example, we consider the W1 electrons in TaAs.

引用

页码：312 / 317

页数：6

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