Recognition of Fermi-arc states through the magnetoresistance quantum oscillations in Dirac semimetal Cd3As2 nanoplates

Abstract

The disjointed Fermi-arcs in Weyl semimetals can intertwine with chiral bulk modes and participate in unusual closed magnetic orbits in the presence of a vertical magnetic field. Here we carry out the quantum oscillation study of such unusual Weyl magnetic orbits in Dirac semimetal Cd3As2, a close cousin of Weyl semimetals. We find that extra two-dimensional (2D) quantum oscillations emerge at high field, which superimpose on 3D bulk background and can be attributed to the Weyl magnetic orbits, when the thickness of nanoplates is smaller than the mean free path of the electrons. Further evidence of the 2D quantum oscillations from the Weyl magnetic orbits is provided by the nonlocal detection, which demonstrates an alternative way to study the quantum transport properties of Fermi-arcs under magnetic field.

arXiv comment18 pages, 4 figures

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Cited by in corpus (10)

• Probing the Chiral Anomaly by Planar Hall Effect in Three-dimensional Dirac Semimetal Cd3As2 Nanoplates
• Quantized surface transport in topological Dirac semimetal films
• Surface superconductivity in a three-dimensional Cd${}_3$As${}_2$ semimetal
• Electron Transport in Dirac and Weyl Semimetals
• Transport signatures of surface states in a Weyl semimetal: evidence of field driven Fermi arc interferometry
• Quantum Hall effect induced by chiral Landau levels in topological semimetal films
• Two Types of 3D Quantum Hall Effects in Multilayer WTe${}_2$
• Long-range spin transport on the surface of topological Dirac semimetal
• Quantum description of Fermi arcs in Weyl semimetals in a magnetic field
• Absence of backscattering in Fermi-arc-mediated conductivity of topological Dirac semimetal Cd${}_3$As${}_2$