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

Abstract

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.

arXiv comment6 pages, 4 figures, to be published in Low Temp. Phys

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Cited by in corpus (5)

• Detection of relativistic fermions in Weyl semimetal TaAs by magnetostriction measurements
• Phase of quantum oscillation in Weyl semimetals
• Quasi-Dirac points in electron-energy spectra of crystals
• Model for charge carrier spectra in topological semimetals of the TaAs family
• Magnetostriction of metals with small Fermi-surface pockets: Case of the topologically trivial semimetal LuAs