顔写真

PHOTO

Kaneko Tatsuya
金子　竜也
Kaneko Tatsuya
金子　竜也
Institutional repository
Graduate School of Science　Department of Physics, Assistant Professor
Institutional repository

Research History 5

  1. 2022/04 - Present
    Osaka University　Department of Physics　Assistant Professor

  2. 2021/09 - 2022/03
    RIKEN　Center for Emergent Matter Science　Researcher

  3. 2019/04 - 2021/09
    Columbia University　Department of Physics　Postdoctoral Research Fellow

  4. 2016/04 - 2019/03
    RIKEN　Computational Condensed Matter Physics Laboratory　Special Postdoctoral Researcher

  5. 2013/04 - 2016/03
    Japan Society for the Promotion of Science　Research Fellow (DC1)

Education 3

  1. Chiba University　Department of Physics, Graduate School of Science

    2013/04 - 2016/03

  2. Chiba University　Department of Physics, Graduate School of Science

    2011/04 - 2013/03

  3. Chiba University　Faculty of Science　Department of Physics

    2007/04 - 2011/03

Research Areas 2

  1. Natural sciences / Semiconductors, optical and atomic physics /

  2. Natural sciences / Magnetism, superconductivity, and strongly correlated systems /

Papers 49

  1. Floquet engineering of effective pairing interactions in a doped band insulator

    Yugo Takahashi, Hideo Miyamoto, Kazuhiko Kuroki, Tatsuya Kaneko

    Physical Review B　Vol. 111　No. 12　2025/03/03　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  2. A New Era of Excitonic Insulators

    Tatsuya Kaneko, Yukinori Ohta

    Journal of the Physical Society of Japan　Vol. 94　No. 1　2025/01/15　Research paper (scientific journal)

    Publisher: Physical Society of Japan

  3. Nonreciprocal charge transport in polar Dirac metals with tunable spin-valley coupling

    M. Kondo, M. Kimata, M. Ochi, T. Kaneko, K. Kuroki, K. Sudo, S. Sakaguchi, H. Murakawa, N. Hanasaki, H. Sakai

    Physical Review Research　Vol. 7　No. 1　2025/01/10　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  4. 多層型ニッケル酸化物超伝導体La3Ni2O7およびLa4Ni3O10に関する理論的研究

    黒木和彦, 越智正之, 金子竜也, 榊原寛史

    固体物理　Vol. 60　No. 1　p. 11-31　2025/01

  5. Dynamical Exciton Condensates in Biased Electron-Hole Bilayers

    Zhiyuan Sun, Yuta Murakami, Fengyuan Xuan, Tatsuya Kaneko, Denis Golež, Andrew J. Millis

    Physical Review Letters　Vol. 133　No. 21　2024/11/22　Research paper (scientific journal)

  6. Ground-State Properties of the t–J Model for the CuO Double-Chain Structure

    Tatsuya Kaneko, Satoshi Ejima, Koudai Sugimoto, Kazuhiko Kuroki

    Journal of the Physical Society of Japan　Vol. 93　No. 8　2024/08/15　Research paper (scientific journal)

    Publisher: Physical Society of Japan

  7. Pair correlations of the hybridized orbitals in a ladder model for the bilayer nickelate La3Ni2O7

    Masataka Kakoi, Tatsuya Kaneko, Hirofumi Sakakibara, Masayuki Ochi, Kazuhiko Kuroki

    Physical Review B　Vol. 109　No. 20　2024/05/24　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  8. 光ドープMott絶縁体系における準定常相

    村上雄太, 金子竜也, 高吉慎太郎

    固体物理　Vol. 59　No. 4　p. 171-184　2024/04

  9. Photoinduced η-pairing correlation in the Hubbard ladder

    Ryota Ueda, Kazuhiko Kuroki, Tatsuya Kaneko

    Physical Review B　Vol. 109　No. 7　2024/02/12　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  10. 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

  11. 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　Vol. 109　No. 4　2024/01/31　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  12. Exciton-spin interactions in antiferromagnetic charge-transfer insulators

    Tatsuya Kaneko, Yuta Murakami, Denis Golež, Zhiyuan Sun, Andrew J. Millis

    Physical Review B　Vol. 108　No. 20　2023/11/13　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  13. Wannier-Stark ladders and Stark shifts of excitons in Mott insulators

    Mina Udono, Tatsuya Kaneko, Koudai Sugimoto

    Physical Review B　Vol. 108　No. 8　2023/08　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  14. 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　Vol. 130　No. 10　2023/03/10　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  15. 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　Vol. 4　No. 3　2022/09/01　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  16. Excitonic effects on high-harmonic generation in Mott insulators

    Mina Udono, Koudai Sugimoto, Tatsuya Kaneko, Yukinori Ohta

    Physical Review B　Vol. 105　No. 24　2022/06/10　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  17. Second-order magnetic responses in quantum magnets: Magnetization under ac magnetic fields

    Tatsuya Kaneko, Yuta Murakami, Shintaro Takayoshi, Andrew J. Millis

    Physical Review B　Vol. 105　No. 19　2022/05/19　Research paper (scientific journal)

  18. 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　Research paper (scientific journal)

  19. Third-harmonic generation in excitonic insulators

    Tetsuhiro Tanabe, Tatsuya Kaneko, Yukinori Ohta

    Physical Review B　Vol. 104　No. 24　2021/12/15　Research paper (scientific journal)

  20. 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　Research paper (scientific journal)

  21. 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　Research paper (scientific journal)

  22. 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　Research paper (scientific journal)

  23. 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　Research paper (scientific journal)

  24. 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　Research paper (scientific journal)

  25. 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　Research paper (scientific journal)

  26. 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　Research paper (scientific journal)

  27. 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

  28. 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　Research paper (scientific journal)

  29. 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　Research paper (scientific journal)

  30. 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　Research paper (scientific journal)

  31. 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　Research paper (scientific journal)

  32. 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　Research paper (scientific journal)

  33. 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　Research paper (scientific journal)

  34. 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　Research paper (scientific journal)

  35. 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

  36. 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　Research paper (scientific journal)

  37. Electric and magnetic multipoles and bond orders in excitonic insulators

    Tatsuya Kaneko, Yukinori Ohta

    Physical Review B　Vol. 94　No. 12　2016/09/14　Research paper (scientific journal)

  38. 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　Research paper (scientific journal)

  39. 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　Research paper (scientific journal)

  40. Microscopic quantum interference in excitonic condensation of Ta2NiSe5

    Koudai Sugimoto, Tatsuya Kaneko, Yukinori Ohta

    Physical Review B　Vol. 93　No. 4　2016/01/15　Research paper (scientific journal)

  41. 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　Research paper (scientific journal)

  42. 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　Research paper (scientific journal)

  43. 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　Research paper (scientific journal)

  44. 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　Research paper (scientific journal)

  45. 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　Research paper (scientific journal)

  46. 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　Research paper (scientific journal)

  47. 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　Research paper (scientific journal)

  48. 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　Research paper (scientific journal)

  49. 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　Research paper (scientific journal)

Institutional Repository 1

Content Published in the University of Osaka Institutional Repository (OUKA)

  1. Nonreciprocal charge transport in polar Dirac metals with tunable spin-valley coupling

    Kondo M., Kimata M., Ochi M., Kaneko T., Kuroki K., Sudo K., Sakaguchi S., Murakawa H., Hanasaki N., Sakai H.

    Physical Review Research　Vol. 7　No. 1　2025/01/10