Quantum Interference Theory of Magnetoresistance in Dirac Materials

Abstract

Magnetoresistance in many samples of Dirac semimetal and topological insulator displays non-monotonic behaviors over a wide range of magnetic field. Here a formula of magnetoconductivity is presented for massless and massive Dirac fermions in Dirac materials due to quantum interference in scalar impurity scattering potentials. It reveals a striking crossover from positive to negative magnetoresistivity, uncovering strong competition between weak localization and weak antilocalization in multiple Cooperon modes at different chemical potentials, effective masses and finite temperatures. The work sheds light on the important role of strong coupling of the conduction and valence bands in the quantum interference transport in topological nontrivial and trivial Dirac materials.

arXiv comment6 pages, 3 figures

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Cited by in corpus (11)

• Quantized Fermi-arc-mediated transport in Weyl semimetal nanowires
• Electron-electron interactions and weak anti-localization in few-layer ZrTe5 devices
• Planar Hall-effect, Anomalous planar Hall-effect, and Magnetic Field-Induced Phase Transitions in TaAs
• Topological and disorder corrections to the transverse Wiedemann-Franz law and Mott relation in kagome magnets
• Quantum Diffusive Magneto-transport in Massive Dirac Materials with Chiral Symmetry Breaking
• Magnetic field-induced type-II Weylsemimetallic state in geometrically frustrated Shastry-Sutherland lattice GdB4
• Evidence of decoupling of surface and bulk states in Dirac semimetal $C{d}_{3}A{s}_2$
• Anomalous Temperature Dependence of Quantum Correction to the Conductivity of Magnetic Topological Insulators
• Weak anti-localization in spin-orbit coupled lattice systems
• Tunable quantum interference effect on magnetoconductivity in few-layer black phosphorus
• Linear magnetoresistance of two-dimensional massless Dirac fermions in the quantum limit