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Wannier-based implementation of the coherent potential approximation with applications to Fe-based transition-metal alloys
Naohiro Ito, Takuya Nomoto, Koji Kobayashi +5
We develop a formulation of the coherent potential approximation (CPA) on the basis of the Wannier representation to develop a computationally efficient method for the treatment of…
Self-consistent Analysis of Doping Effect for Magnetic Ordering in Stacked-Kagome Weyl System
Akihiro Ozawa, Kentaro Nomura
We theoretically study the carrier doping effect for magnetism in a stacked-kagome system based on an effective model and the Hartree-Fock method. We show…
Intrinsic and extrinsic anomalous Hall effects in disordered magnetic Weyl semimetal
Koji Kobayashi, Kentaro Nomura
We study the intrinsic and extrinsic Hall effects in disordered magnetic Weyl semimetals numerically. We show that in Weyl metals, where the Fermi energy deviates from the Weyl poi…
Temperature-induced phase transitions in the quantum Hall magnet of bilayer graphene
Miuko Tanaka, Kenji Watanabe, Takashi Taniguchi +3
The quantum Hall system can be used to study many-body physics owing to its multiple internal electronic degrees of freedom and tunability. While quantum phase transitions have bee…
Nodal lines and boundary modes in topological Dirac semimetals with magnetism
Yasufumi Araki, Jin Watanabe, Kentaro Nomura
Nodal-line semimetals with magnetic orders have been theoretically predicted and experimentally observed in only few compounds. We theoretically explore the electronic structure in…
Two-dimensionality of metallic surface conduction in Co3Sn2S2 thin films
Junya Ikeda, Kohei Fujiwara, Junichi Shiogai +4
Two-dimensional (2D) surface of the topological materials is an attractive channel for the electrical conduction reflecting the linearly-dispersive electronic bands. By applying a…