Shimokawa Tokuro 下川統久朗

Researcher Number	20633853
Other IDs
Affiliation (Current)	2025: 沖縄科学技術大学院大学, 量子理論ユニット, スタッフサイエンティスト
Affiliation (based on the past Project Information) *help	2021 – 2025: 沖縄科学技術大学院大学, 量子理論ユニット, スタッフサイエンティスト 2019 – 2021: 沖縄科学技術大学院大学, 量子理論ユニット, 研究員
Review Section/Research Field	Principal Investigator Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related / Transformative Research Areas, Section (II)
Keywords	Principal Investigator Frustration / フラストレーション / 数値計算 / エンタングルメント / Entanglement / Random singlet / Spin liquid / Exact diagonalization / スピン液体 / スピン系 … More / Localization / 量子情報 / スピンダイナミクス / ランダムネス / Randomness / Nematic / スピンネマティック / Spin nematic state / 微分幾何学 / 結晶学 / 局在スピン模型 / 多重q秩序状態 / モンテカルロ法 / 厳密対角化法 / 多重Q秩序状態 Less

Exploring the nature of multipartite entanglement in quantum magnets through the synergy of theory and experimentPrincipal Investigator
- Principal Investigator
  
  下川統久朗
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Okinawa Institute of Science and Technology Graduate University
Novel magnetic phenomena in frustrated random spin systems via large scale computations and real material dataPrincipal Investigator
- Principal Investigator
  
  下川統久朗
- Project Period (FY)
  2024 – 2025
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Okinawa Institute of Science and Technology Graduate University
Entanglement Witnesses in Quantum Frustrated MagnetsPrincipal Investigator
- Principal Investigator
  
  下川統久朗
- Project Period (FY)
  2022 – 2023
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Okinawa Institute of Science and Technology Graduate University
Spin-nematic states via a quantum spin solver specialized for high fieldsPrincipal Investigator
- Principal Investigator
  
  下川統久朗
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Okinawa Institute of Science and Technology Graduate University
Elucidation of the Origin of Ripple State and its Feasibility in Real Materials - Creation of New Magnetic Structured MaterialsPrincipal Investigator
- Principal Investigator
  
  Shimokawa Tokuro
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Okinawa Institute of Science and Technology Graduate University

All 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] Quantum paramagnetic states in the spin-1/2 distorted honeycomb-lattice Heisenberg antiferromagnet - application to Cu2(pymca)3(ClO4) -2022
- Author(s)
  Shimokawa Tokuro、Takano Ken'ichi、Honda Zentaro、Okutani Akira、Hagiwara Masayuki
- Journal Title
  
  Physical Review B
  
  Volume: 106 Issue: 13 Pages: 1-9
- DOI
  10.1103/physrevb.106.134410
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03477
[Journal Article] Signatures of finite-temperature mirror symmetry breaking in the S=12 Shastry-Sutherland model2021
- Author(s)
  Shimokawa Tokuro
- Journal Title
  
  Physical Review B
  
  Volume: 103 Issue: 13 Pages: 1344191-7
- DOI
  10.1103/physrevb.103.134419
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14665
[Journal Article] Multiple-q states of the J1-J2 classical honeycomb-lattice Heisenberg antiferromagnet under a magnetic field2019
- Author(s)
  Shimokawa Tokuro、Okubo Tsuyoshi、Kawamura Hikaru
- Journal Title
  
  Physical Review B
  
  Volume: 100 Issue: 22
- DOI
  10.1103/physrevb.100.224404
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03740, KAKENHI-PROJECT-19K14665
[Journal Article] Ripple state in the frustrated honeycomb-lattice antiferromagnet2019
- Author(s)
  Tokuro Shimokawa, Hikaru Kawamura
- Journal Title
  
  Physical Review Letter
  
  Volume: 123 Issue: 5
- DOI
  10.1103/physrevlett.123.057202
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] High-field exact diagonalization software QS3 and its application to the quantum spin nematic study in the S=1/2 J1-K square-lattice frustrated ferromagnet2022
- Author(s)
  T. Shimokawa, H. Ueda, S. Yunoki, M.Gohlke, J. Sonnenschein, N. Shannon
- Organizer
  The 11th International Conference on Highly Frustrated Magnetism 2022 (HFM22)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03477
[Presentation] Quantum paramagnetic states in the spin-1/2distorted honeycomb-lattice Heisenberg antiferromagnet: Application to Cu2(pymca)3(ClO4)2022
- Author(s)
  Tokuro Shimokawa
- Organizer
  YIPQS long-term and Nishinomiya-Yukawa memorial workshop Novel Quantum States in Condensed Matter 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03477
[Presentation] Exact diagonalization for quantum spin systems2022
- Author(s)
  Tokuro Shimokawa
- Organizer
  APCTP-IACS-SNBNCBS Workshop on Computational Methods for Emergent Quantum Matter:From Theoretical Concepts to Experimental Realization
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03477
[Presentation] Quantum paramagnetic states in the S=1/2 distorted honeycomb-lattice antiferromagnet Cu2(pymca)3(ClO4)2022
- Author(s)
  Tokuro Shimokawa, Ken'ichi Takano, Akira Okutani, Zentaro Honda, Masayuki Hagiwara
- Organizer
  日本物理学会2022年秋季大会
- Data Source
  KAKENHI-PROJECT-21K03477
[Presentation] Theory and experiment on the quantum paramagnetic state in the S=1/2 distorted honeycomb-lattice antiferromagnet Cu2(pymca)3(ClO4)2022
- Author(s)
  T. Shimokawa, K. Takano, A. Okutani, Z. Honda, and M. Hagiwara
- Organizer
  29th International Conference on Low Temperature Physics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03477
[Presentation] Thermal and dynamical properties of the S=1/2 bilayer breathing-kagome Heisenberg magnet - application to Ca10Cr7O28 -2021
- Author(s)
  Tokuro Shimokawa, Rico Pohle, Han Yan, Nicholas Shannon
- Organizer
  American Physical Society March Meeting 2021 (Online)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] 飽和磁化近傍系の物性解析に特化した量子スピンソルバー QS32021
- Author(s)
  上田宏, 柚木清司, 下川統久朗
- Organizer
  日本物理学会第76回年次大会 (Online)
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] Spin dynamics in S=1/2 bilayer breathing-kagome Heisenberg magnet2020
- Author(s)
  Tokuro Shimokawa, Rico Pohle, Han Yan, Nic Shannon
- Organizer
  日本物理学会　2020年秋季大会 (Online)
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] Finite and zero temperature physics in the S=1/2 bilayer breathing-kagome magnet2020
- Author(s)
  Tokuro Shimokawa
- Organizer
  第14回量子スピン系研究会
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] Spiral spin liquid and multiple-q states in the frustrated honeycomb-lattice Heisenberg magnet2020
- Author(s)
  Tokuro Shimokawa
- Organizer
  ARHMF2020 & KINKEN Materials Science School 2020 for Young Scientists (Online)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] Ground state and thermodynamic properties of the S=1/2 bilayer breathing-kagome Heisenberg magnet2019
- Author(s)
  Tokuro Shimokawa, Nic Shannon
- Organizer
  Computational Approaches to Quantum Many-body Problems (CAQMP) 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] Ripple state in the frustrated honeycomb-lattice antiferromagnet2019
- Author(s)
  Tokuro Shimokawa, Hikaru Kawamura
- Organizer
  Computational Approaches to Quantum Many-body Problems (CAQMP) 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] Finite-temperature properties of the S=1/2 Shastry-Sutherland model2019
- Author(s)
  Tokuro Shimokawa
- Organizer
  日本物理学会秋季大会2019
- Data Source
  KAKENHI-PROJECT-19K14665
[Presentation] Multiple-q states in the frustrated honeycomb-lattice Heisenberg antiferromagnet under magnetic field2019
- Author(s)
  Tokuro Shimokawa
- Organizer
  14th Asia-Pacific Physics Conference (APPC 2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14665

1. 大久保毅

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Shimokawa Tokuro 下川 統久朗

Research Projects

Research Products

Co-Researchers

Exploring the nature of multipartite entanglement in quantum magnets through the synergy of theory and experimentPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Novel magnetic phenomena in frustrated random spin systems via large scale computations and real material dataPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Entanglement Witnesses in Quantum Frustrated MagnetsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Spin-nematic states via a quantum spin solver specialized for high fieldsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Elucidation of the Origin of Ripple State and its Feasibility in Real Materials - Creation of New Magnetic Structured MaterialsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Quantum paramagnetic states in the spin-1/2 distorted honeycomb-lattice Heisenberg antiferromagnet - application to Cu2(pymca)3(ClO4) -2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Signatures of finite-temperature mirror symmetry breaking in the S=12 Shastry-Sutherland model2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Multiple-q states of the J1-J2 classical honeycomb-lattice Heisenberg antiferromagnet under a magnetic field2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ripple state in the frustrated honeycomb-lattice antiferromagnet2019

Author(s)

Journal Title

DOI

Data Source

[Presentation] High-field exact diagonalization software QS3 and its application to the quantum spin nematic study in the S=1/2 J1-K square-lattice frustrated ferromagnet2022

Author(s)

Organizer

Data Source

[Presentation] Quantum paramagnetic states in the spin-1/2distorted honeycomb-lattice Heisenberg antiferromagnet: Application to Cu2(pymca)3(ClO4)2022

Author(s)

Organizer

Data Source

[Presentation] Exact diagonalization for quantum spin systems2022

Author(s)

Organizer

Data Source

[Presentation] Quantum paramagnetic states in the S=1/2 distorted honeycomb-lattice antiferromagnet Cu2(pymca)3(ClO4)2022

Author(s)

Organizer

Data Source

[Presentation] Theory and experiment on the quantum paramagnetic state in the S=1/2 distorted honeycomb-lattice antiferromagnet Cu2(pymca)3(ClO4)2022

Author(s)

Organizer

Data Source

[Presentation] Thermal and dynamical properties of the S=1/2 bilayer breathing-kagome Heisenberg magnet - application to Ca10Cr7O28 -2021

Author(s)

Organizer

Data Source

[Presentation] 飽和磁化近傍系の物性解析に特化した量子スピンソルバー QS32021

Author(s)

Shimokawa Tokuro 下川統久朗