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Kaneko Tatsuya

金子 竜也

Graduate School of Science Department of Physics, Assistant Professor

Education

  • 2013/04 - 2016/03, Chiba University, Department of Physics, Graduate School of Science
  • 2011/04 - 2013/03, Chiba University, Department of Physics, Graduate School of Science
  • 2007/04 - 2011/03, Chiba University, Faculty of Science, Department of Physics

Research History

  • 2022/04 - Present, Osaka University, Department of Physics, Assistant Professor
  • 2021/09 - 2022/03, RIKEN, Center for Emergent Matter Science, Researcher
  • 2019/04 - 2021/09, Columbia University, Department of Physics, Postdoctoral Research Fellow
  • 2016/04 - 2019/03, RIKEN, Computational Condensed Matter Physics Laboratory, Special Postdoctoral Researcher
  • 2013/04 - 2016/03, Japan Society for the Promotion of Science, Research Fellow (DC1)

Research Areas

  • Natural sciences, Semiconductors, optical and atomic physics
  • Natural sciences, Magnetism, superconductivity, and strongly correlated systems

Papers

  • Photoinduced η-pairing correlation in the Hubbard ladder, Ryota Ueda,Kazuhiko Kuroki,Tatsuya Kaneko, Physical Review B, American Physical Society (APS), Vol. 109, No. 7, 2024/02/12
  • 励起子絶縁体の物理 ー バンド間相互作用が導く秩序と集団励起, 日本物理学会誌, Vol. 79, No. 2, p. 54-62, 2024/02
  • Pair correlations in the two-orbital Hubbard ladder: Implications for superconductivity in the bilayer nickelate La3Ni2O7, Tatsuya Kaneko,Hirofumi Sakakibara,Masayuki Ochi,Kazuhiko Kuroki, Physical Review B, American Physical Society (APS), Vol. 109, No. 4, 2024/01/31
  • Exciton-spin interactions in antiferromagnetic charge-transfer insulators, Tatsuya Kaneko,Yuta Murakami,Denis Golež,Zhiyuan Sun,Andrew J. Millis, Physical Review B, American Physical Society (APS), Vol. 108, No. 20, 2023/11/13
  • Wannier-Stark ladders and Stark shifts of excitons in Mott insulators, Mina Udono,Tatsuya Kaneko,Koudai Sugimoto, Physical Review B, American Physical Society (APS), Vol. 108, No. 8, 2023/08
  • Spin, Charge, and η-Spin Separation in One-Dimensional Photodoped Mott Insulators, Yuta Murakami,Shintaro Takayoshi,Tatsuya Kaneko,Andreas M. Läuchli,Philipp Werner, Physical Review Letters, American Physical Society (APS), Vol. 130, No. 10, 2023/03/10
  • Two-step Mott transition in Ni(S,Se)2: μSR studies and charge-spin percolation model, Qi Sheng,Tatsuya Kaneko,Kohtaro Yamakawa,Zurab Guguchia,Zizhou Gong,Guoqiang Zhao,Guangyang Dai,Changqing Jin,Shengli Guo,Licheng Fu,Yilun Gu,Fanlong Ning,Yipeng Cai,Kenji M. Kojima,James Beare,Graeme M. Luke,Shigeki Miyasaka,Masato Matsuura,Shin-ichi Shamoto,Takashi Ito,Wataru Higemoto,Andrea Gauzzi,Yannik Klein,Yasutomo J. Uemura, Physical Review Research, American Physical Society (APS), Vol. 4, No. 3, 2022/09/01
  • Excitonic effects on high-harmonic generation in Mott insulators, Mina Udono,Koudai Sugimoto,Tatsuya Kaneko,Yukinori Ohta, Physical Review B, American Physical Society (APS), Vol. 105, No. 24, 2022/06/10
  • Second-order magnetic responses in quantum magnets: Magnetization under ac magnetic fields, Tatsuya Kaneko,Yuta Murakami,Shintaro Takayoshi,Andrew J. Millis, Physical Review B, American Physical Society (APS), Vol. 105, No. 19, 2022/05/19
  • Exploring nonequilibrium phases of photo-doped Mott insulators with generalized Gibbs ensembles, Yuta Murakami,Shintaro Takayoshi,Tatsuya Kaneko,Zhiyuan Sun,Denis Golež,Andrew J. Millis,Philipp Werner, Communications Physics, Vol. 5, No. 1, 2022/01/13
  • Third-harmonic generation in excitonic insulators, Tetsuhiro Tanabe,Tatsuya Kaneko,Yukinori Ohta, Physical Review B, Vol. 104, No. 24, 2021/12/15
  • Second-Order Josephson Effect in Excitonic Insulators, Zhiyuan Sun,Tatsuya Kaneko,Denis Golež,Andrew J. Millis, Physical Review Letters, Vol. 127, No. 12, 2021/09/17
  • Bulk Photovoltaic Effect Driven by Collective Excitations in a Correlated Insulator, Tatsuya Kaneko,Zhiyuan Sun,Yuta Murakami,Denis Golež,Andrew J. Millis, Physical Review Letters, Vol. 127, No. 12, 2021/09/17
  • Hybridization-gap formation and superconductivity in the pressure-induced semimetallic phase of the excitonic insulator Ta2NiSe5, Kazuyuki Matsubayashi,Hidekazu Okamura,Takashi Mizokawa,Naoyuki Katayama,Akitoshi Nakano,Hiroshi Sawa,Tatsuya Kaneko,Tatsuya Toriyama,Takehisa Konishi,Yukinori Ohta,Hiroto Arima,Rina Yamanaka,Akihiko Hisada,Taku Okada,Yuka Ikemoto,Taro Moriwaki,Koji Munakata,Akiko Nakao,Minoru Nohara,Yangfan Lu,Hidenori Takagi,Yoshiya Uwatoko, Journal of the Physical Society of Japan, Vol. 90, No. 7, 2021/06/11
  • Charge stiffness and long-range correlation in the optically induced η-pairing state of the one-dimensional Hubbard model, Tatsuya Kaneko,Seiji Yunoki,Andrew J. Millis, Physical Review Research, Vol. 2, No. 3, 2020/07/29
  • Photoinduced η-pairing at finite temperatures, Satoshi Ejima,Tatsuya Kaneko,Florian Lange,Seiji Yunoki,Holger Fehske, Physical Review Research, Vol. 2, No. 3, 2020/07/08
  • Superconductivity and charge density wave under a time-dependent periodic field in the one-dimensional attractive Hubbard model, Ryo Fujiuchi,Tatsuya Kaneko,Koudai Sugimoto,Seiji Yunoki,Seiji Yunoki,Seiji Yunoki,Yukinori Ohta, Physical Review B, Vol. 101, No. 23, 2020/06/15
  • Collective modes in excitonic insulators: Effects of electron-phonon coupling and signatures in the optical response, Yuta Murakami,Denis Golež,Tatsuya Kaneko,Akihisa Koga,Andrew J. Millis,Philipp Werner, Physical Review B, Vol. 101, No. 19, 2020/05/15
  • ハバード模型における光誘起ηペアリング状態, 金子竜也,白川知功,柚木清司, 固体物理, Vol. 55, No. 1, p. 21-29, 2020/01
  • Photoinduced electron-electron pairing in the extended Falicov-Kimball model, Ryo Fujiuchi,Tatsuya Kaneko,Yukinori Ohta,Seiji Yunoki, Physical Review B, Vol. 100, No. 4, 2019/07/15
  • Photoinduced η Pairing in the Hubbard Model, Tatsuya Kaneko,Tomonori Shirakawa,Sandro Sorella,Seiji Yunoki, Physical Review Letters, Vol. 122, No. 7, 2019/02/22
  • Honeycomb lattice type charge density wave associated with interlayer Cu ions ordering in 1T-CuxTiSe2, Shunsuke Kitou,Shintaro Kobayashi,Tatsuya Kaneko,Naoyuki Katayama,Seiji Yunoki,Toshikazu Nakamura,Hiroshi Sawa, Physical Review B, Vol. 99, No. 8, 2019/02/11
  • Spin texture and spin current in excitonic phases of the two-band Hubbard model, Hisao Nishida,Shohei Miyakoshi,Tatsuya Kaneko,Koudai Sugimoto,Yukinori Ohta, Physical Review B, Vol. 99, No. 3, 2019/01/10
  • Strong Coupling Nature of the Excitonic Insulator State in Ta2NiSe5, Koudai Sugimoto,Satoshi Nishimoto,Tatsuya Kaneko,Yukinori Ohta, Physical Review Letters, Vol. 120, No. 24, 2018/06/14
  • Exciton-phonon cooperative mechanism of the triple-q charge-density-wave and antiferroelectric electron polarization in TiSe2, Tatsuya Kaneko,Yukinori Ohta,Seiji Yunoki, Physical Review B, Vol. 97, No. 15, 2018/04
  • Excitonic insulator state of the extended Falicov-Kimball model in the cluster dynamical impurity approximation, Kosuke Hamada,Tatsuya Kaneko,Shohei Miyakoshi,Yukinori Ohta, Journal of the Physical Society of Japan, Vol. 86, No. 7, 2017/07/15
  • 相関電子系における励起子凝縮の物理の新展開, 太田幸則,金子竜也,杉本高大, 固体物理, Vol. 53, No. 3, p. 119-137, 2017/03
  • Mott transition and magnetism of the triangular-lattice Hubbard model with next-nearest-neighbor hopping, Kazuma Misumi,Tatsuya Kaneko,Yukinori Ohta, Physical Review B, Vol. 95, No. 7, 2017/02/13
  • Electric and magnetic multipoles and bond orders in excitonic insulators, Tatsuya Kaneko,Yukinori Ohta, Physical Review B, Vol. 94, No. 12, 2016/09/14
  • Mott transitions and staggered orders in the three-component fermionic system: Variational cluster approach, Takumi Hasunuma,Tatsuya Kaneko,Shohei Miyakoshi,Yukinori Ohta, Journal of the Physical Society of Japan, Vol. 85, No. 7, 2016/07/15
  • Phase diagram of the frustrated square-lattice Hubbard model: Variational cluster approach, Kazuma Misumi,Tatsuya Kaneko,Yukinori Ohta, Journal of the Physical Society of Japan, Vol. 85, No. 6, 2016/06/15
  • Microscopic quantum interference in excitonic condensation of Ta2NiSe5, Koudai Sugimoto,Tatsuya Kaneko,Yukinori Ohta, Physical Review B, Vol. 93, No. 4, 2016/01/15
  • Competition between excitonic charge and spin density waves: Influence of electron-phonon and Hund's rule couplings, Tatsuya Kaneko,Bernd Zenker,Holger Fehske,Yukinori Ohta, Physical Review B, Vol. 92, No. 11, 2015/09/02
  • Metal-insulator transition of Dirac fermions: Variational cluster study, Masaki Ebato,Tatsuya Kaneko,Yukinori Ohta, Journal of the Physical Society of Japan, Vol. 84, No. 4, 2015/04
  • Roles of Hund's rule coupling in excitonic density-wave states, Tatsuya Kaneko,Yukinori Ohta, Physical Review B, Vol. 90, No. 24, 2014/12/29
  • Excitonic Bose-Einstein condensation in Ta2NiSe5 above room temperature, K. Seki,Y. Wakisaka,T. Kaneko,T. Toriyama,T. Konishi,T. Sudayama,N. L. Saini,M. Arita,H. Namatame,M. Taniguchi,N. Katayama,M. Nohara,H. Takagi,T. Mizokawa,Y. Ohta, Physical Review B, Vol. 90, No. 15, 2014/10/13
  • BCS-BEC crossover in the two-dimensional attractive hubbard model: Variational cluster approach, Tatsuya Kaneko,Yukinori Ohta, Journal of the Physical Society of Japan, Vol. 83, No. 2, 2014/02/15
  • Order, criticality, and excitations in the extended Falicov-Kimball model, S. Ejima,T. Kaneko,Y. Ohta,H. Fehske, Physical Review Letters, Vol. 112, No. 2, 2014/01/13
  • Exact-diagonalization study of exciton condensation in electron bilayers, T. Kaneko,S. Ejima,H. Fehske,Y. Ohta, Physical Review B, Vol. 88, No. 3, 2013/07/23
  • Orthorhombic-to-monoclinic phase transition of Ta2NiSe5 induced by the Bose-Einstein condensation of excitons, T. Kaneko,T. Toriyama,T. Konishi,Y. Ohta, Physical Review B, Vol. 87, No. 3, 2013/01/16
  • Excitonic insulator state in the two-orbital Hubbard model: Variational cluster approach, T. Kaneko,K. Seki,Y. Ohta, Physical Review B, Vol. 85, No. 16, 2012/04