90 citations · 414 across the 16 of their papers we have counts for
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Magnetism of Kitaev spin-liquid candidate material RuBr
Yoshinori Imai, Kazuhiro Nawa, Yasuhiro Shimizu +16
The ruthenium halide -RuCl is a promising candidate for a Kitaev spin liquid. However, the microscopic model describing -RuCl is still debated partly because of a…
Magnetic field-driven transition between valence bond solid and antiferromagnetic order in distorted triangular lattice
Yasuhiro Shimizu, Mitsuhiko Maesato, Makoto Yoshida +8
A molecular Mott insulator -(ET)B(CN) [ET = bis(ethylenedithio)tetrathiafulvalene] with a distorted triangular lattice exhibits a quantum disordered state with gapped sp…
Local Observations of Orbital Diamagnetism and Excitation in Three-Dimensional Dirac Fermion Systems BiSb
Yukihiro Watanabe, Masashi Kumazaki, Hiroki Ezure +4
Dirac fermions display a singular response against magnetic and electric fields. A distinct manifestation is large diamagnetism originating in the interband effect of Bloch bands,…
Occupation switching of orbitals probed via hyperfine interactions in vanadium dioxide
Yasuhiro Shimizu, Takaaki Jin-no, Fumitatsu Iwase +2
Metal-insulator transition was microscopically investigated by orbital-resolved nuclear magnetic resonance (OR-NMR) spectroscopy in a single crystal of vanadium dioxide VO. Obs…
Two-step gap opening across the quantum critical point in a Kitaev honeycomb magnet
Y. Nagai, T. Jinno, Y. Yoshitake +4
Quantum spin liquid involves fractionalized quasipariticles such as spinons and visons. They are expressed as itinerant Majorana fermions and fluxes in the Kitaev model with…
Symmetry Preservation and Critical Fluctuations in a Pseudospin Crossover Perovskite LaCoO
Yasuhiro Shimizu, Takuya Takahashi, Syunpei Yamada +3
Spin-state crossover beyond a conventional ligand-field theory has been a fundamental issue in condensed matter physics. Here, we report microscopic observations of spin states and…