153 citations · 221 across the 10 of their papers we have counts for
10 papers
Field-Induced Spin Nematic Liquid of the Bond-Alternating Chain with the Anisotropy
Ryosuke Nakanishi, Takaharu Yamada, Rito Furuchi +5
The ferromagnetic-antiferromagnetic bond-alternating spin chain with the anisotropy on the ferromagnetic exchange interaction in magnetic field is investigated using the nu…
Field-induced spin nematic Tomonaga-Luttinger liquid of the spin ladder system with the anisotropic ferromagnetic rung interaction
Tôru Sakai, Ryosuke Nakanishi, Takaharu Yamada +5
The quantum spin ladder system with the anisotropic ferromagnetic exchange interaction on the rung under magnetic field is investigated using the numerical diagonalization…
Translational Symmetry Broken Magnetization Plateau of the Antiferromagnetic Chain with Anisotropies
Takaharu Yamada, Ryosuke Nakanishi, Rito Furuchi +5
The magnetization plateau of the antiferromagnetic chain with interaction and single-ion anisotropies is investigated using the numerical diagonalization of finite-size clust…
S=2 Quantum Spin Chain with the Biquadratic Exchange Interaction
Tôru Sakai, Takaharu Yamada, Ryosuke Nakanishi +5
The quantum spin chain with the single-ion anisotropy and the biquadratic exchange interaction is investigated using the numerical diagonalization of finite-…
Soft-magnetic skyrmions induced by surface-state coupling in an intrinsic ferromagnetic topological insulator sandwich structure
Takuya Takashiro, Ryota Akiyama, Ivan A. Kibirev +11
A magnetic skyrmion induced on a ferromagnetic topological insulator (TI) is a real-space manifestation of the chiral spin texture in the momentum space, and can be a carrier for i…
Direct probe of ferromagnetic proximity effect at the interface in Fe/SnTe heterostructure by polarized neutron reflectometry
Ryota Akiyama, Ryo Ishikawa, Kazuhiro Akutsu +7
Introducing magnetic order into a topological insulator (TI) system has been attracting much attention with an expectation of realizing exotic phenomena such as quantum anomalous H…
Efficient Edelstein effects in one-atom-layer Tl-Pb compound
Y. Shiomi, K. T. Yamamoto, R. Nakanishi +5
We have investigated direct and inverse Edelstein effects in a one-atom-layer Tl-Pb compound with a large Rashba-type spin splitting. In spin pumping experiments at room temperatur…
Large-gap magnetic topological heterostructure formed by subsurface incorporation of a ferromagnetic layer
Toru Hirahara, Sergey V. Eremeev, Tetsuroh Shirasawa +17
Inducing magnetism into topological insulators is intriguing for utilizing exotic phenomena such as the quantum anomalous Hall effect (QAHE) for technological applications. While m…
Berry phase shift from 2 to in Bilayer graphene by Li-intercalation and sequential desorption
Ryota Akiyama, Yuma Takano, Yukihiro Endo +4
We have found that the Berry phase of bilayer graphene becomes from 2 estimated by Shubnikov-de Haas oscillations when the A-B stacked pristine bilayer graphene experiences the…
Shubnikov-de Haas oscillations in p and n-type topological insulator (BiSb)Te
Ryota Akiyama, Kazuki Sumida, Satoru Ichinokura +4
We show Shubnikov-de Haas oscillations in topological insulator (BiSb)Te films whose carrier type is p-type (x = 0.29, 0.34) and n-type (x = 0.42). The ph…