名古屋大学 理学研究科

物性理論研究室 量子輸送理論グループ（S研 Stグループ）

論文

2024

1. Dynamical Majorana Ising spin response in a topological superconductor–magnet hybrid by microwave irradiation
   Yuya Ominato, Ai Yamakage and Mamoru Matsuo
   J. Phys. Rev. B. 109, L121405 (2024).

   2023

2. Evidence of unconventional superconductivity on the surface of the nodal semimetal CaAg1−xPdxP
   Rikizo Yano, Shota Nagasaka, Naoki Matsubara, Kazuhige Saigusa, Tsuyoshi Tanda, Seiichiro Ito, Ai Yamakage, Yoshihiko Okamoto, Koshi Takenaka and Saroshi Kashiwaya
   Nat. Commun. 14, 6817 (2023).
   プレスリリース
3. Microscopic Analysis of Lattice Distortion Effects in Rashba Systems
   Yuuki Ogawa, Takumi Funato, and Hiroshi Kohno
   J. Phys. Soc. Jpn. 92, 113702 (2023).
   JPS Hot Topics 4, 009 (2024)
4. Possible Nontrivial Layer Superconductivity from Topological Line-Node States
   Ai Yamakage
   J. Phys. Soc. Jpn. 92, 074703 (2023).
5. Electrical conductivity and screening effect of spin-1 chiral fermions scattered by charged impurities
   Risako Kikuchi, and Ai Yamakage
   Phys. Rev. B 108, 085204 (2023).
6. 磁気的界面を通じて超伝導対称性を視る―強磁性共鳴変調を用いたスペクトロスコピー―,固体物理58(8), 433-440 (2023).
   大湊友也，山影相，加藤岳生, 松尾衛
   
7. Majorana spin current generation by dynamic strain
   Yuki Yamazaki, Takumi Funato, and Ai Yamakage
   Phys. Rev. B 108, L060505 (2023).
8. Dzyaloshinskii-Moriya interaction in strongly spin-orbit coupled systems: General formula and application to topological and Rashba materials
   Yuto Hayakawa, Yusuke Imai, and Hiroshi Kohno
   Phys. Rev. B 108, 064409 (2023).
9. Quantum Transport in Spin-1 Chiral Fermion: Self-Consistent Born Approximation
   Risako Kikuchi, Takumi Funato, and Ai Yamakage
   JPS Conf. Proc. 38, 011158 (2023).
10. Hall effect of ferro/antiferromagnetic wallpaper fermions
    Koki Mizuno, and Ai Yamakage
    Phys. Rev. B 107, 235301 (2023).
11. Anisotropic spin-current spectroscopy of ferromagnetic superconducting gap symmetries
    Hiroshi Funaki, Ai Yamakage, and Mamoru Matsuo
    Phys. Rev. B 107, 184437 (2023).

    2022

12. Acoustic spin transport by superconducting quasiparticles
    Takumi Funato, Ai Yamakage, and Mamoru Matsuo
    Phys. Rev. B 106, 214420 (2022).
13. Quantum transport of a spin-1 chiral fermion
    Risako Kikuchi, Takumi Funato, and Ai Yamakage
    Phys. Rev. B 106, 235204 (2022).
14. Anisotropic superconducting spin transport at magnetic interfaces
    Yuya Ominato, Ai Yamakage, and Mamoru Matsuo
    Phys. Rev. B 106, L161406 (2022).
15. Extrinsic contribution to anomalous Hall effect in chiral antiferromagnetic (111)-oriented L12-Mn3Ir films
    Y. Kobayashi, M. Kimata, D. Kan, T. Ikebuchi, Y. Shiota, H. Kohno, Y. Shimakawa, T. Ono, and T. Moriyama
    Jpn. J. Appl. Phys. 61, 070912 (2022).
16. Ferromagnetic resonance modulation in d-wave superconductor/ferromagnetic insulator bilayer systems
    Yuya Ominato, Ai Yamakage, Takeo Kato, and Mamoru Matsuo
    Phys. Rev. B 105, 205406 (2022).
17. Slater-Pauling behavior of interfacial magnetic properties of 3d transition metal alloy/Pt structures
    Nam-Hui Kim, Qurat-ul-ain, Joonwoo Kim, Eunchong Baek, June-Seo Kim, Hyeon-Jong Park, Hiroshi Kohno, Kyung-Jin Lee, Sonny H. Rhim, Hyun-Woo Lee, and Chun-Yeol You
    Phys. Rev. B 105, 064403 (2022).

    2021

18. Current-Induced Spin-Wave Doppler Shift in Antiferromagnets
    Jotaro Nakane, and Hiroshi Kohno
    J. Phys. Soc. Jpn. 90, 103705 (2021).
19. Giant Peltier conductivity in an uncompensated semimetal Ta2PdSe6
    Akitoshi Nakano, Ai Yamakage, Urara Maruoka, Hiroki Taniguchi, Yukio Yasui, and Ichiro Terasaki
    J. Phys. Energy 3, 044004 (2021).
20. Electric Multipoles of Double Majorana Kramers Pairs
    Yuki Yamazaki, Shingo Kobayashi, and Ai Yamakage
    J. Phys. Soc. Jpn. 90, 073701 (2021).
21. Majorana multipole response: General theory and application to wallpaper groups
    Shingo Kobayashi, Yuki Yamazaki, Ai Yamakage, and Masatoshi Sato
    Phys. Rev. B 103, 224504 (2021).
22. Microscopic calculation of spin torques in textured antiferromagnets
    Jotaro Nakane and Hiroshi Kohno
    Phys. Rev. B 103, L180405 (2021).
23. Theory of Magnetic-Texture-Induced Anomalous Hall Effect on the Surface of Topological Insulators
    Terufumi Yamaguchi and Ai Yamakage
    J. Phys. Soc. Jpn. 90, 063703 (2021).
24. Spin-orbit torques and magnetotransport of two-dimensional Dirac electrons without particle-hole symmetry
    Yusuke Imai, Ai Yamakage, and Hiroshi Kohno
    Phys. Rev. B 103, 144416 (2021).
25. Magnetic response of Majorana Kramers pairs with an order-two symmetry
    Yuki Yamazaki, Shingo Kobayashi, and Ai Yamakage
    Phys. Rev. B 103, 094508 (2021).
26. Magnetic-Field-Driven Antiferromagnetic Domain Wall Motion
    Jotaro Nakane and Hiroshi Kohno
    J. Phys. Soc. Jpn. 90, 034702 (2021).
27. Spintronic properties of topological surface Dirac electrons with hexagonal warping
    Yusuke Imai, Terufumi Yamaguchi, Ai Yamakage, and Hiroshi Kohno
    Phys. Rev. B 103, 054402 (2021).
28. Acoustic spin Hall effect in strong spin-orbit metals
    Takuya Kawada, Masashi Kawaguchi, Takumi Funato, Hiroshi Kohno, and Masamitsu Hayashi
    Sci. Adv. 7, eabd9697 (2021).

    2020

29. Extrinsic spin Hall effect in inhomogeneous systems
    Takumi Funato and Hiroshi Kohno
    Phys. Rev. B 102, 094426 (2020).
30. High-mobility carriers induced by chemical doping in the candidate nodal-line semimetal CaAgP
    Yoshihiko Okamoto, Kazushige Saigusa, Taichi Wada, Youichi Yamakawa, Ai Yamakage, Takao Sasagawa, Naoyuki Katayama, Hiroshi Takatsu, Hiroshi Kageyama, and Koshi Takenaka
    Phys. Rev. B 102, 115101 (2020).
31. Magnon-drag thermoelectric transport with skyrmion structure
    Koujiro Hoshi, Terufumi Yamaguchi, Akihito Takeuchi, Hiroshi Kohno, and Jun-ichiro Ohe
    Appl. Phys. Lett. 117, 062404 (2020).
32. Topological Hall effect in weakly canted antiferromagnets
    Jotaro J. Nakane, Kazuki Nakazawa, and Hiroshi Kohno
    Phys. Rev. B 101, 174432 (2020).
33. Nodal Andreev spectra in multi-Majorana three-terminal Josephson junctions
    Keimei Sakurai, Maria Teresa Mercaldo, Shingo Kobayashi, Ai Yamakage, Satoshi Ikegaya, Tetsuro Habe, Panagiotis Kotetes, Mario Cuoco, and Yasuhiro Asano
    Phys. Rev. B 101, 17506 (2020).
34. Magnetic Response of Majorana Kramers Pairs Protected by Z2 Invariants
    Yuki Yamazaki, Shingo Kobayashi, and Ai Yamakage
    J. Phys. Soc. Jpn. 89, 043703 (2020).

    2019

35. Phase Diagram of a Magnetic Topological Nodal Semimetal: Stable Nodal Line in an Easy-Plane Ferromagnet
    Yuya Ominato, Ai Yamakage, and Kentaro Nomura
    J. Phys. Soc. Jpn. 88, 114701 (2019).
36. Majorana Multipole Response of Topological Superconductors
    Shingo Kobayashi, Ai Yamakage, Yukio Tanaka, and Masatoshi Sato
    Phys. Rev. Lett. 123, 097002 (2019).
37. Weak coupling theory of topological Hall effect
    Kazuki Nakazawa and Hiroshi Kohno
    Phys. Rev. B 99, 174425 (2019).
38. Spin–Orbit-Coupling-Induced Type-I/type-II Dirac Nodal-Line Metal in Nonsymmorphic CaSb2
    Kohei Funada, Ai Yamakage, Naoya Yamashina, and Hiroshi Kageyama
    J. Phys. Soc. Jpn. 88, 044711 (2019).
39. Microscopic theory of magnon-drag electron flow in ferromagnetic metals
    Terufumi Yamaguchi, Hiroshi Kohno, and Rembert A. Duine
    Phys. Rev. B 99, 094425 (2019).
40. Giant topological Hall effect in correlated oxide thin films
    L. Vistoli, W. Wang, A. Sander, Q. Zhu, B. Casals, R. Cichelero, A. Barthélémy, S. Fusil, G. Herranz, S. Valencia, R. Abrudan, E. Weschke, K. Nakazawa, H. Kohno, J. Santamaria, W. Wu, V. Garcia and M. Bibes
    Nature Physics 15, 67-72 (2019).

    2018

41. Electric Polarization in Magnetic Topological Nodal Semimetal Thin Films
    Yuya Ominato, Ai Yamakage, and Kentaro Nomura
    Condens. Matter 3, 43 (2018).
42. Berry Phase of Dirac Nodal Line Semimetal in Single-Component Molecular Conductor
    Yoshikazu Suzumura and Ai Yamakage
    J. Phys. Soc. Jpn. 87, 093704 (2018).
43. Theory of Cross-correlated Electron–Magnon Transport Phenomena: Case of Magnetic Topological Insulator
    Yusuke Imai and Hiroshi Kohno
    J. Phys. Soc. Jpn. 87, 073709 (2018).
44. Generation of Spin Current from Lattice Distortion Dynamics: Spin–Orbit Routes
    Takumi Funato and Hiroshi Kohno
    J. Phys. Soc. Jpn. 87, 073706 (2018).
45. Angular momentum of phonons and its application to single-spin relaxation
    Jotaro J. Nakane and Hiroshi Kohno
    Phys. Rev. B 97, 174403 (2018).
46. Topological Hall effect from strong to weak coupling
    Kazuki Nakazawa, Manuel Bibes, and Hiroshi Kohno
    J. Phys. Soc. Jpn. 87, 033705 (2018).
47. Observation of Dirac-like energy band and ring-torus Fermi surface associated with the nodal line in topological insulator CaAgAs
    Daichi Takane, Kosuke Nakayama, Seigo Souma, Taichi Wada, Yoshihiko Okamoto, Koshi Takenaka, Youichi Yamakawa, Ai Yamakage, Taichi Mitsuhashi, Koji Horiba, Hiroshi Kumigashira, Takashi Takahashi, and Takafumi Sato
    npj Quantum Materials 3, 1 (2018).
48. Theory of electromagnetic wave propagation in ferromagnetic Rashba conductor
    Junya Shibata, Akihito Takeuchi, Hiroshi Kohno, and Gen Tatara
    J. Appl. Phys. 123, 063902 (2018).

    2017

49. Intrinsic and Extrinsic Spin Hall Effects of Dirac Electrons
    Takaaki Fukazawa, Hiroshi Kohno, and Junji Fujimoto
    J. Phys. Soc. Jpn. 86, 094704 (2017).
50. Crossing-line-node semimetals: General theory and application to rare-earth trihydrides
    Shingo Kobayashi, Youichi Yamakawa, Ai Yamakage, Takumi Inohara, Yoshihiko Okamoto, and Yukio Tanaka
    Phys. Rev. B 95, 245208 (2017).
51. Microscopic Theory of Spin-Wave Spin Torques Induced by Temperature Gradient
    Terufumi Yamaguchi and Hiroshi Kohno
    J. Phys. Soc. Jpn. 86, 063706 (2017).
52. Large thermoelectric power factor at low temperatures in one-dimensional telluride Ta4SiTe4
    Takumi Inohara, Yoshihiko Okamoto, Youichi Yamakawa, Ai Yamakage, and Koshi Takenaka
    Appl. Phys. Lett. 110, 183901 (2017).

    2016

53. Low Carrier Density Metal Realized in Candidate Line-Node Dirac Semimetals CaAgP and CaAgAs
    Y. Okamoto, T. Inohara, A. Yamakage, Y. Yamakawa, and K. Takenaka
    J. Phys. Soc. Jpn. 85, 123701 (2016).
54. Microscopic calculation of thermally induced spin-transfer torques
    Hiroshi Kohno, Yuuki Hiraoka, Moosa Hatami, and Gerrit E. W. Bauer
    Phys. Rev. B 94, 104417 (2016).
55. Theory of Anomalous Optical Properties of Bulk Rashba Conductor
    Junya Shibata, Akihito Takeuchi, Hiroshi Kohno, and Gen Tatara
    J. Phys. Soc. Jpn. 85, 033701 (2016).
56. Superconductivity in the Hexagonal Ternary Phosphide ScIrP
    Yoshihiko Okamoto, Takumi Inohara, Youichi Yamakawa, Ai Yamakage, and Koshi Takenaka
    J. Phys. Soc. Jpn. 85, 013704 (2016)
57. Line-Node Dirac Semimetal and Topological Insulating Phase in Noncentrosymmetric Pnictides CaAgX (X = P, As)
    Ai Yamakage, Youichi Yamakawa, Yukio Tanaka, and Yoshihiko Okamoto
    J. Phys. Soc. Jpn. 85, 013708 (2016).

招待講演

2019

1. Hiroshi Kohno, "Topological Hall Effect in Weak Ferromagnets"
   2019 MRS Spring Meeting, Phoenix, Arizona, USA, April 24, 2019.
2. Hiroshi Kohno, "Topological Hall Effect in Weak Ferromagnets"
   Korea-Japan Spintronics Workshop on Topological Phenomena in Magnetism, Nagoya, Japan, January 21-22, 2019.

   2018

3. Hiroshi Kohno, "Microscopic (Spin) Transport Theory of Coupled Electron-Magnon System"
   KITS Program "Collective Spin Dynamics in Nanostructures" workshop, KITS, UCAS and IOPCAS, Beijing, China, October 1-19, 2018.
4. 河野 浩, 「Rashba効果の話題から」
   2018年 第79回応用物理学会秋季学術講演会 シンポジウム「スピントロニクス材料研究の新潮流〜二次元系を中心に〜」, 名古屋国際会議場, 2018年9月18日〜21日.
5. Hiroshi Kohno, "Theory of Topological Hall Effect: From Strong to Weak Coupling"
   5th International Workshop on Complex Oxides, Capri, Italy, May 20-24, 2018.

プレスリリース

2024

1. トポロジカル物質における表面超伝導を発見 ～新しいタイプの非従来型超伝導物質～
   矢野 力三, 竹中 康司, 山影 相, 岡本 佳比古
   NU Research Information

受賞

2023

1. 佐藤 宏季
   第６８回物性若手夏の学校優秀ポスター賞 （2023年8月16日）

   2019

2. 山崎 勇樹
   International Conference on Topological Materials Science 2019 (TopoMat2019) Poster Award （2019年12月06日）
3. 山崎 勇樹
   第13回物性科学領域横断研究会優秀ポスター賞（2019年11月27日）
4. 河野 浩
   JPSJ Outstanding Referee（2019年3月）
5. 山影 相
   日本物理学会第24回論文賞（2019年2月21日）