Okuma Nobuyuki 大熊信之

Researcher Number	80869503
Other IDs
Affiliation (Current)	2026: 九州工業大学, 大学院工学研究院, 准教授
Affiliation (based on the past Project Information) *help	2026: 九州工業大学, 大学院工学研究院, 准教授 2023 – 2024: 九州工業大学, 大学院工学研究院, 准教授 2020 – 2022: 京都大学, 基礎物理学研究所, 特定助教
Review Section/Research Field	Principal Investigator Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related Except Principal Investigator Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related
Keywords	Principal Investigator 非エルミート量子系 / 量子開放系 / 電子相関系 / トポロジカル現象 / ボソン系 / 複合粒子 / トポロジカル物性 / 非エルミート系 / 表皮効果 / チャーン絶縁体 / トポロジカル絶縁体 / 非エルミート行列 … More Except Principal Investigator … More 量子エンタングルメント / インターバンド効果 / 量子幾何テンソル / 軌道磁性 / 分数チャーン絶縁体 / 量子幾何 / トポロジー Less

トポロジー・量子幾何が生む非自明な束縛状態とエキゾチック量子相の物理Principal Investigator
- Principal Investigator
  
  大熊信之
- Project Period (FY)
  2026 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related
- Research Institution
  Kyushu Institute of Technology
Physics of interaband effects: Viewpoint of quantum geometry and topology
- Principal Investigator
  
  溝口知成
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related
- Research Institution
  University of Tsukuba
Exploration of topological quantum phenomena unique to non-Hermitian systemsPrincipal Investigator
- Principal Investigator
  
  Okuma Nobuyuki
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related
- Research Institution
  Kyushu Institute of Technology
  Kyoto University

All 2025 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Topological enhancement of nonnormality in non-Hermitian skin effects2024
- Author(s)
  Nakai Yusuke O.、Okuma Nobuyuki、Nakamura Daichi、Shimomura Kenji、Sato Masatoshi
- Journal Title
  
  Physical Review B
  
  Volume: 109 Issue: 14
- DOI
  10.1103/physrevb.109.144203
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14373, KAKENHI-PROJECT-24K00569
[Journal Article] Constructing vortex functions and basis states of Chern insulators: Ideal condition, inequality from index theorem, and coherentlike states on the von Neumann lattice2024
- Author(s)
  Okuma Nobuyuki
- Journal Title
  
  Physical Review B
  
  Volume: 110 Issue: 24
- DOI
  10.1103/physrevb.110.245112
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14373, KAKENHI-PROJECT-23K03243
[Journal Article] On Equivalence of Two Formulas of Orbital Magnetic Susceptibility for Tight-binding Models2024
- Author(s)
  Mizoguchi Tomonari、Okuma Nobuyuki
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 93 Issue: 9
- DOI
  10.7566/jpsj.93.095002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K03243
[Journal Article] Bosonic Andreev bound state2024
- Author(s)
  Okuma Nobuyuki
- Journal Title
  
  Physical Review B
  
  Volume: 110 Issue: 1
- DOI
  10.1103/physrevb.110.014516
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14373
[Journal Article] Non-Hermitian Topological Phenomena: A Review2023
- Author(s)
  Okuma Nobuyuki、Sato Masatoshi
- Journal Title
  
  Annual Review of Condensed Matter Physics
  
  Volume: 14 Issue: 1 Pages: 83-107
- DOI
  10.1146/annurev-conmatphys-040521-033133
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14373, KAKENHI-PROJECT-20H00131
[Journal Article] Relationship between two-particle topology and fractional Chern insulator2023
- Author(s)
  Okuma Nobuyuki、Mizoguchi Tomonari
- Journal Title
  
  Physical Review Research
  
  Volume: 5 Issue: 1
- DOI
  10.1103/physrevresearch.5.013112
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14373, KAKENHI-PROJECT-20K14371
[Journal Article] Universal Platform of Point-Gap Topological Phases from Topological Materials2023
- Author(s)
  Nakamura Daichi、Inaka Kazuya、Okuma Nobuyuki、Sato Masatoshi
- Journal Title
  
  Physical Review Letters
  
  Volume: 131 Issue: 25
- DOI
  10.1103/physrevlett.131.256602
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14373
[Journal Article] Nonnormal Hamiltonian dynamics in quantum systems and its realization on quantum computers2022
- Author(s)
  Okuma Nobuyuki、Nakagawa Yuya O.
- Journal Title
  
  Physical Review B
  
  Volume: 105 Issue: 5
- DOI
  10.1103/physrevb.105.054304
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14373
[Journal Article] Boundary-dependent dynamical instability of bosonic Green's function: Dissipative Bogoliubov?de Gennes Hamiltonian and its application to non-Hermitian skin effect2022
- Author(s)
  Okuma Nobuyuki
- Journal Title
  
  Physical Review B
  
  Volume: 105 Issue: 22
- DOI
  10.1103/physrevb.105.224301
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14373
[Journal Article] Non-Hermitian Skin Effects in Hermitian Correlated or Disordered Systems: Quantities Sensitive or Insensitive to Boundary Effects and Pseudo-Quantum-Number2021
- Author(s)
  Okuma Nobuyuki、Sato Masatoshi
- Journal Title
  
  Physical Review Letters
  
  Volume: 126 Issue: 17 Pages: 176601-176601
- DOI
  10.1103/physrevlett.126.176601
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14373
[Journal Article] Quantum anomaly, non-Hermitian skin effects, and entanglement entropy in open systems2021
- Author(s)
  Okuma Nobuyuki、Sato Masatoshi
- Journal Title
  
  Physical Review B
  
  Volume: 103 Issue: 8 Pages: 085428-085428
- DOI
  10.1103/physrevb.103.085428
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H00131, KAKENHI-PROJECT-20K14373
[Journal Article] Hermitian zero modes protected by nonnormality: Application of pseudospectra2020
- Author(s)
  Okuma Nobuyuki、Sato Masatoshi
- Journal Title
  
  Physical Review B
  
  Volume: 102 Issue: 1 Pages: 014203-014203
- DOI
  10.1103/physrevb.102.014203
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14373, KAKENHI-PROJECT-20H00131
[Presentation] Interconnected relationship between non-Hermiticity and topology2025
- Author(s)
  大熊信之
- Organizer
  APCTPセミナー
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03243
[Presentation] 量子ホール効果を基準に考察するトポロジカル物質科学の進展について2024
- Author(s)
  大熊信之
- Organizer
  第55回Kyutech物性グループセミナー「輸送現象の物理」
- Invited
- Data Source
  KAKENHI-PROJECT-23K03243
[Presentation] Non-Hermitian aspects of vortex function in topological insulators2024
- Author(s)
  大熊信之
- Organizer
  Non-Hermitian topology, geometry and symmetry across physical platforms
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03243
[Presentation] Bosonic Andreev bound state2024
- Author(s)
  Nobuyuki Okuma
- Organizer
  田仲研セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K14373
[Presentation] Non-Hermitian aspects of vortex function in topological insulators"2024
- Author(s)
  大熊信之
- Organizer
  Non-Hermitian topology, geometry and symmetry across physical platforms
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14373
[Presentation] Interconnected relationship between non-Hermiticity and topology2024
- Author(s)
  大熊信之
- Organizer
  APCTPセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K14373
[Presentation] 強束縛模型における軌道磁化率の副格子位置依存性について2024
- Author(s)
  溝口知成、大熊信之
- Organizer
  日本物理学会第79回年次大会
- Data Source
  KAKENHI-PROJECT-23K03243
[Presentation] 分数チャーン絶縁体の指標としての2粒子トポロジー2023
- Author(s)
  大熊信之、溝口知成
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PROJECT-23K03243
[Presentation] Topological physics of non-Hermitian skin effect and its application in non-equilibrium system2023
- Author(s)
  Nobuyuki Okuma
- Organizer
  2023 NCTS summer school on non-Hermitian and non-equilbrium quantum many-body systems
- Invited
- Data Source
  KAKENHI-PROJECT-20K14373
[Presentation] 2粒子トポロジーを用いた分数チャーン絶縁体の特徴付け2023
- Author(s)
  大熊信之
- Organizer
  Online CMTセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-23K03243
[Presentation] Topological aspects of non-Hermitian skin effects2022
- Author(s)
  Nobuyuki Okuma
- Organizer
  Pan-Pacific Workshop on Topology and Correlation in Exotic Materials
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14373
[Presentation] 非エルミート表皮効果のトポロジカルな起源の解明及びその拡張2022
- Author(s)
  Nobuyuki Okuma
- Organizer
  日本物理学会
- Invited
- Data Source
  KAKENHI-PROJECT-20K14373
[Presentation] Topological aspects of non-Hermitian physics2021
- Author(s)
  Nobuyuki Okuma
- Organizer
  Theoretical studies of topological phases of matter
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14373
[Presentation] 非エルミート物理学とトポロジカル物理学の対応関係2021
- Author(s)
  Nobuyuki Okuma
- Organizer
  オンライン CREST チュートリアル・ワークショップ「物質のトポロジカル相の理論的探究」
- Invited
- Data Source
  KAKENHI-PROJECT-20K14373
[Presentation] Topology and anomaly in non-Hermitian skin effects: from index theorem to monopole catalysis"2020
- Author(s)
  Nobuyuki Okuma
- Organizer
  CREST Seminar on "Theoretical studies of topological phases of matter"
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14373

1. 溝口知成 (30821847)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
2. 佐藤昌利

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Okuma Nobuyuki 大熊 信之

Research Projects

Research Products

Co-Researchers

トポロジー・量子幾何が生む非自明な束縛状態とエキゾチック量子相の物理Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Physics of interaband effects: Viewpoint of quantum geometry and topology

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Exploration of topological quantum phenomena unique to non-Hermitian systemsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Topological enhancement of nonnormality in non-Hermitian skin effects2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Constructing vortex functions and basis states of Chern insulators: Ideal condition, inequality from index theorem, and coherentlike states on the von Neumann lattice2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] On Equivalence of Two Formulas of Orbital Magnetic Susceptibility for Tight-binding Models2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Bosonic Andreev bound state2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Non-Hermitian Topological Phenomena: A Review2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Relationship between two-particle topology and fractional Chern insulator2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Universal Platform of Point-Gap Topological Phases from Topological Materials2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Nonnormal Hamiltonian dynamics in quantum systems and its realization on quantum computers2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Boundary-dependent dynamical instability of bosonic Green's function: Dissipative Bogoliubov?de Gennes Hamiltonian and its application to non-Hermitian skin effect2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Non-Hermitian Skin Effects in Hermitian Correlated or Disordered Systems: Quantities Sensitive or Insensitive to Boundary Effects and Pseudo-Quantum-Number2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Quantum anomaly, non-Hermitian skin effects, and entanglement entropy in open systems2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Hermitian zero modes protected by nonnormality: Application of pseudospectra2020

Author(s)

Journal Title

Okuma Nobuyuki 大熊信之