878 citations · 1.5k across the 11 of their papers we have counts for
11 papers
Anomalous thermal Hall effect in the topological antiferromagnetic state
Kaori Sugii, Yusuke Imai, Masaaki Shimozawa +8
The anomalous Hall effect (AHE), a Hall signal occurring without an external magnetic field, is one of the most significant phenomena. However, understanding the AHE mechanism has…
Spin Thermal Hall Conductivity of a Kagomé Antiferromagnet
Hayato Doki, Masatoshi Akazawa, Hyun-Yong Lee +7
A clear thermal Hall signal () was observed in the spin liquid phase of the kagomé antiferromagnet Ca kapellasite (CaCu(OH)ClHO). We found…
Majorana quantization and half-integer thermal quantum Hall effect in a Kitaev spin liquid
Y. Kasahara, T. Ohnishi, Y. Mizukami +9
The quantum Hall effect (QHE) in two-dimensional (2D) electron gases, which is one of the most striking phenomena in condensed matter physics, involves the topologically protected…
Split Fermi Surfaces of the Spin-Orbit-Coupled Metal Cd2Re2O7 Probed by de Haas-van Alphen Effect
Yasuhito Matsubayashi, Kaori Sugii, Hishiro T. Hirose +5
The superconducting pyrochlore oxide Cd2Re2O7 shows a structural transition with inversion symmetry breaking (ISB) at Ts1 = 200 K. A recent theory [L. Fu, Phys. Rev. Lett. 115, 026…
Anomalous change in the de Haas-van Alphen oscillations of CeCoIn at ultra-low temperatures
Hiroaki Shishido, Shogo Yamada, Kaori Sugii +3
We have performed de Haas-van Alphen (dHvA) measurements of the heavy-fermion superconductor CeCoIn down to 2 mK above the upper critical field. We find that the dHvA amplitude…
Unusual thermal Hall effect in a Kitaev spin liquid candidate -RuCl
Y. Kasahara, K. Sugii, T. Ohnishi +8
The Kitaev quantum spin liquid displays the fractionalization of quantum spins into Majorana fermions. The emergent Majorana edge current is predicted to manifest itself in the for…
Quantum-disordered state of magnetic and electric dipoles in a hydrogen-bonded Mott system
M. Shimozawa, K. Hashimoto, A. Ueda +12
Strongly enhanced quantum fluctuations often lead to a rich variety of quantum-disordered states. A representative case is liquid helium, in which zero-point vibrations of the heli…
Thermal Hall effect in a phonon-glass BaCuSbO
Kaori Sugii, Masaaki Shimozawa, Daiki Watanabe +6
A distinct thermal Hall signal is observed in a quantum spin liquid candidate BaCuSbO. The transverse thermal conduction shows a power-law temperature dependence below…
Emergence of nontrivial magnetic excitations in a spin liquid state of kagome volborthite
Daiki Watanabe, Kaori Sugii, Masaaki Shimozawa +7
When quantum fluctuations destroy underlying long-range ordered states, novel quantum states emerge. Spin-liquid (SL) states of frustrated quantum antiferromagnets, in which highly…
Inter-planar coupling dependent magnetoresistivity in high purity layered metals
N. Kikugawa, P. Goswami, A. Kiswandhi +15
The magnetic field-induced changes in the conductivity of metals are the subject of intense interest, both for revealing new phenomena and as a valuable tool for determining their…
Two distinct superconducting states in KFeAs under high pressure
Taichi Terashima, Kunihiro Kihou, Kaori Sugii +7
We report measurements of ac magnetic susceptibility and de Haas-van Alphen (dHvA) oscillations in KFeAs under high pressure up to 24.7 kbar. The pressure dependen…