Suppression of the Kondo Resistivity Minimum in Magnetic Topological Insulators

Abstract

Magnetically-doped topological insulators are intensely studied in the search for exotic phenomena such as the quantum anomalous Hall effect. The interplay of electronic and impurity degrees of freedom leads to the Kondo effect, an increase in the resistivity at temperatures $T<T_K$, the Kondo temperature. We study this effect in chiral surface state transport at $T\ge T_K$ in the metallic regime, starting from the quantum Liouville equation and including Kondo scattering to all orders, as well as phonon and non-magnetic impurity scattering. Unlike spin-orbit coupled metals and semiconductors, $T_K$ is suppressed by spin-momentum locking which prevents the formation of a Kondo screening cloud. We expect a resistivity ${\rho }_{xx}\propto T^4$ primarily due to phonons.

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Cited by in corpus (10)

• Perspectives for Spintronics in 2D Materials
• Transport in two-dimensional topological materials: recent developments in experiment and theory
• Inter-band Coherence Response to Electric Fields in Crystals
• Quantum Kinetic Theory of the Chiral Anomaly
• Screening, Friedel oscillations and low-temperature conductivity in topological insulator thin films
• Signatures of Helical Edge Transport in Millimetre-Scale Thin Films of Na3Bi
• Coulomb drag in topological insulator films
• Electronic properties of the Dirac and Weyl systems with first- and higher-order dispersion in non-Fermi-liquid picture
• Coulomb drag in topological materials
• Unidirectional magneto-transport of linearly dispersing topological edge states