199 citations · 1.7k across the 61 of their papers we have counts for
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Quantum Anomalous Hall Effect in Kagome Ice
Hiroaki Ishizuka, Yukitoshi Motome
An anomalous Hall insulator without magnetic long-range ordering is theoretically reported in the absence of the relativistic spin-orbit coupling. It is realized in itinerant elect…
Dirac half-metal in a triangular ferrimagnet
Hiroaki Ishizuka, Yukitoshi Motome
An idea is proposed for realizing a fully spin-polarized Dirac semimetal in frustrated itinerant magnets. We show that itinerant electrons on a triangular lattice exhibit the Dirac…
Magnetic Order and Charge Disproportionation in a Spin-ice type Kondo Lattice Model: Large Scale Monte Carlo Study
Hiroaki Ishizuka, Masafumi Udagawa, Yukitoshi Motome
Phase diagram of a spin-ice type Kondo lattice model, potentially relevant to metallic pyrochlore oxides, is obtained by the Monte Carlo simulation implementing the polynomial expa…
Thermally-induced magnetic phases in an Ising spin Kondo lattice model on a kagome lattice at 1/3-filling
Hiroaki Ishizuka, Yukitoshi Motome
Numerical investigation on the thermodynamic properties of an Ising spin Kondo lattice model on a kagome lattice is reported. By using Monte Carlo simulation, we investigated the m…
Partial disorder in an Ising-spin Kondo lattice model on a triangular lattice
Hiroaki Ishizuka, Yukitoshi Motome
Phase diagram of an Ising-spin Kondo lattice model on a triangular lattice near 1/3-filling is investigated by Monte Carlo simulation. We identify a partially disordered phase with…
Non-Kondo mechanism for resistivity minimum in spin ice conduction systems
Masafumi Udagawa, Hiroaki Ishizuka, Yukitoshi Motome
We present a mechanism of resistivity minimum in conduction electron systems coupled with localized moments, which is distinguished from the Kondo effect. Instead of the spin-flip…