出版 PUBLICATIONS

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学術論文 Journal Articles

S. Yamamoto, Y. Ohta, and K. Sugimoto,
"Collective mode excitations and simulated L-edge resonant inelastic x-ray scattering spectra in antiferromagnetic Ca2RuO4"
Phys. Rev. B 106, 045136 (2022)
M. Udono, K. Sugimoto, T. Kaneko, and Y. Ohta,
"Excitonic effects on high-harmonic generation in Mott insulators"
Phys. Rev. B 105, L241108 (2022)
M. Shiomi, K. Kojima, N. Katayama, S. Maeda, J. A. Schneeloch, S. Yamamoto, K. Sugimoto, Y. Ohta, D. Louca, Y. Okamoto, and H. Sawa,
"Charge-ordered state satisfying the Anderson condition in LiRh2O4 arising from local dimer order"
Phys. Rev. B 105, L041103 (2022)
T. Minato, K. Sugimoto, T. Kuwahara, and K. Saito
"Fate of Measurement-Induced Phase Transition in Long-Range Interactions"
Phys. Rev. Lett. 128, 010603 (2022)
N. Shioda, K. Kumeda, H. Fukazawa, T. Ohama, Y. Kohori, D. Das, J. Bławat, D. Kaczorowski, and K. Sugimoto,
"Determination of the magnetic q vectors in the heavy fermion superconductor Ce3PtIn11"
Phys. Rev. B 104, 245119 (2021)
H. Kobayashi, R. Fujiuchi, K. Sugimoto, and Y. Ohta,
"Light-induced switching of magnetic order in the anisotropic triangular-lattice Hubbard model"
Phys. Rev. B 103, L161106 (2021)
N. Katayama, K. Kojima, T. Yamaguchi, S. Hattori, S. Tamura, K. Ohara, S. Kobayashi, K. Sugimoto, Y. Ohta, K. Saitoh, and H. Sawa,
"Slow dynamics of disordered zigzag chain molecules in layered LiVS2 under electron irradiation"
npj Quantum Mater. 6, 16 (2021)
H. Fukazawa, K. Kumeda, N. Shioda, Y. Lee, Y. Kohori, K. Sugimoto, D. Das, J. Bławat, and D. Kaczorowski,
"Successive magnetic transitions in the heavy-fermion superconductor Ce3PtIn11 studied by 115In nuclear quadrupole resonance"
Phys. Rev. B 102, 165124 (2020)
R. Fujiuchi, T. Kaneko, K. Sugimoto, S. Yunoki, and Y. Ohta,
"Superconductivity and charge density wave under a time-dependent periodic field in the one-dimensional attractive Hubbard model"
Phys. Rev. B 101, 235122 (2020)
S. Yamamoto, K. Sugimoto, and Y. Ohta,
"Emergence of pure spin current in doped excitonic magnets"
Phys. Rev. B 101, 174428 (2020)
M. Kadosawa, S. Nishimoto, K. Sugimoto, and Y. Ohta,
"Finite-Temperature Properties of Excitonic Condensation in the Extended FalicovKimball Model: Cluster Mean-Field-Theory Approach"
J. Phys. Soc. Jpn. 89, 053706 (2020)
Y. Ueda, M. Murase, Y. Kobayashi, M. Itoh, T. Yajima, T. Yamaguchi, R. Takahashi, K. Sugimoto, and Y. Ohta,
"Observation of a Novel Phase Transition in Sr7Re4O19"
J. Phys. Soc. Jpn. 89, 054703 (2020)
H. Nishida, R. Fujiuchi, K. Sugimoto, and Y. Ohta,
"Typicality-Based Variational Cluster Approach to Thermodynamic Properties of the Hubbard Model"
J. Phys. Soc. Jpn. 89, 023702 (2020)
K. Sugimoto, S. Ejima, F. Lange, and H. Fehske,
"Quantum phase transitions in the dimerized extended Bose-Hubbard model"
Phys. Rev. A 99, 012122 (2019)
H. Nishida, S. Miyakoshi, T. Kaneko, K. Sugimoto, and Y. Ohta,
"Spin texture and spin current in excitonic phases of the two-band Hubbard model"
Phys. Rev. B 99, 035119 (2019)
T. Tanabe, K. Sugimoto, and Y. Ohta
"Nonequilibrium dynamics in the pump-probe spectroscopy of excitonic insulators"
Phys. Rev. B 98, 235127 (2018)
N. Katayama, S. Tamura, T. Yamaguchi, K. Sugimoto, K. Iida, T. Matsukawa, A. Hoshikawa, T. Ishigaki, S. Kobayashi, Y. Ohta, and H. Sawa
"Large entropy change derived from the orbitally assisted three-centered two-electron σ bond formation in a metallic Li_0.33VS₂"
Phys. Rev. B 98, 081104(R) (2018)
K. Sugimoto, S. Nishimoto, T. Kaneko, and Y. Ohta
"Strong Coupling Nature of the Excitonic Insulator State in Ta₂NiSe₅"
Phys. Rev. Lett. 120, 247602 (2018)
R. Fujiuchi, K. Sugimoto, and Y. Ohta
"Excitonic Order and Superconductivity in the TwoOrbital Hubbard Model: Variational Cluster Approach"
J. Phys. Soc. Jpn. 87, 063705 (2018)
T. Yamaguchi, K. Sugimoto, Y. Ohta, Y. Tanaka, and H. Sato
"Ferromagnetic Peierls insulator state in AMg₄Mn₆O₁₅ (A = K, Rb, Cs)"
Phys. Rev. B 97, 161103(R) (2018)
T. Yamaguchi, K. Sugimoto, and Y. Ohta
"Low-energy excitation spectra in the excitonic phase of cobalt oxides"
J. Phys. Soc. Jpn. 86, 043701 (2017)
K. Sugimoto and Y. Ohta
"Orbital diamagnetic susceptibility in excitonic condensation phase"
Phys. Rev. B 94, 085111 (2016)
K. Sugimoto, T. Kaneko, and Y. Ohta
"Microscopic quantum interference in excitonic condensation of Ta₂NiSe₅"
Phys. Rev. B 93, 041105(R) (2016)
K. Sugimoto, P. Prelovšek, E. Kaneshita, and T. Tohyama
"Memory function approach to in-plane anisotropic resistivity in the antiferromagnetic phase of iron arsenide superconductors"
Phys. Rev. B 90, 125157 (2014)
K. Sugimoto, Z. Li, E. Kaneshita, K. Tsutsui, and T. Tohyama
"Spin dynamics and resonant inelastic x-ray scattering in chromium with commensurate spin-density wave order"
Phys. Rev. B 87, 134418 (2013)
K. Sugimoto, E. Kaneshita, and T. Tohyama
"Origin of In-Plane Anisotropy in Optical Conductivity for Antiferromagnetic Metallic Phase of Iron Pnictides"
J. Phys. Soc. Jpn. 80, 033706 (2011)

会議録 Proceedings

Tomoki Yamaguchi, Koudai Sugimoto, and Yukinori Ohta
"Multipole ordering and collective excitations in the excitonic phase of Pr_0.5Ca_0.5CoO₃"
Physica B 536, 37 (2018)
Koudai Sugimoto, Tatsuya Kaneko, and Yukinori Ohta
"Coherence Factors and Quantum Interferences in Excitonic Condensation of Ta₂NiSe₅"
J. Phys.: Conf. Ser. 807, 112001 (2017)
Koudai Sugimoto, Takami Tohyama, Eiji Kaneshita, and Kenji Tsutsui
"Optical conductivity of antiferromagnetic metallic chromium: Mean-field calculation for the multi-orbital Hubbard model"
J. Korean Phys. Soc. 63, 632-635 (2013)
Koudai Sugimoto, Eiji Kaneshita, and Takami Tohyama
"The anisotropy of optical conductivity derived from the energy splitting in iron arsenides"
J. Phys.: Conf. Ser. 400, 022113 (2012)
Koudai Sugimoto, Eiji Kaneshi, and Takami Tohyama
"Parameter Dependence of Optical Conductivity in antiferromagnetic phase of iron pnictides"
Physica C 471, 666 (2011)

解説記事 Reviews

太田幸則、金子竜也、杉本高大
「相関電子系における励起子凝縮の物理の新展開」
固体物理第52巻第3号, pp.119-137 (2017)