Okubo Tsuyoshi 大久保毅

Researcher Number	00514051
Other IDs	https://orcid.org/0000-0003-4334-7293
Affiliation (Current)	2025: 東京大学, 大学院理学系研究科(理学部), 特任准教授
Affiliation (based on the past Project Information) *help	2020 – 2025: 東京大学, 大学院理学系研究科(理学部), 特任准教授 2017 – 2020: 東京大学, 大学院理学系研究科(理学部), 特任講師 2015 – 2016: 東京大学, 物性研究所, 特任研究員
Review Section/Research Field	Principal Investigator Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related / Transformative Research Areas, Section (II) / Medium-sized Section 13:Condensed matter physics and related fields / Condensed matter physics II Except Principal Investigator Transformative Research Areas, Section (II) / Medium-sized Section 13:Condensed matter physics and related fields
Keywords	Principal Investigator スピン液体 / テンソルネットワーク / キタエフ模型 / 相転移 / 有限温度物性 / フラストレート磁性体 / 量子スピン / 磁性体 / フラストレーション / ネマティック秩序 … More / 計算物理 / 統計物理学 / トポロジカル絶縁体 / 強相関量子系 / 強相関電子系 / 量子アルゴリズム / 変分モンテカルロ法 / 量子多体問題 / 量子コンピュータ / NISQ / 量子位相推定 / 量子回路 / ボルンマシン / NSIQ / 量子計算 / 密度行列 / 熱ホール伝導度 / 量子スピン液体 / カゴメ格子 / スピン軌道相互作用 … More Except Principal Investigator 量子古典融合アルゴリズム / 量子計算 / テンソルネットワーク / 量子情報 / 量子埋め込み理論 / トポロジー / 計算物理 / 物性理論 / 強相関電子系 / 磁性 Less

Investigating exotic properties of frustrated Magnets through the development of tensor network methodsPrincipal Investigator
- Principal Investigator
  
  Okubo Tsuyoshi
- Project Period (FY)
  2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  The University of Tokyo
Computational materials science based on quantum-classical hybrid algorithms
- Principal Investigator
  
  品岡寛
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (B)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Saitama University
波動関数理論と量子アルゴリズムの融合Principal Investigator
- Principal Investigator
  
  大久保毅
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (B)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  The University of Tokyo
テンソルネットワーク形式に基づく古典・量子エンタングルアルゴリズムの開発Principal Investigator
- Principal Investigator
  
  大久保毅
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 13:Condensed matter physics and related fields
- Research Institution
  The University of Tokyo
Creation and control of Majorana particles in quantum spin liquids
- Principal Investigator
  
  Yukitoshi Motome
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 13:Condensed matter physics and related fields
- Research Institution
  The University of Tokyo
Study of finite temperature properties of frustrated spin systems by tensor network approachPrincipal Investigator
- Principal Investigator
  
  Okubo Tsuyoshi
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  The University of Tokyo
Study on frustrated quantum spin systems by tensor network methodPrincipal Investigator
- Principal Investigator
  
  Okubo Tsuyoshi
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Condensed matter physics II
- Research Institution
  The University of Tokyo

All 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015

All Journal Article Presentation

[Journal Article] Spin Seebeck Effect as a Probe for Majorana Fermions in Kitaev Spin Liquids2025
- Author(s)
  Kato Yasuyuki、Nasu Joji、Sato Masahiro、Okubo Tsuyoshi、Misawa Takahiro、Motome Yukitoshi
- Journal Title
  
  Physical Review X
  
  Volume: 15 Issue: 1 Pages: 011050-011050
- DOI
  10.1103/physrevx.15.011050
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H01849, KAKENHI-PUBLICLY-23H04576, KAKENHI-PROJECT-20H00122, KAKENHI-PROJECT-23K22446, KAKENHI-PROJECT-23K22450, KAKENHI-PROJECT-24K00563, KAKENHI-PROJECT-22K03509
[Journal Article] Embedding of Tree Tensor Networks into Shallow Quantum Circuits2025
- Author(s)
  Sugawara Shota、Inomata Kazuki、Okubo Tsuyoshi、Todo Synge
- Journal Title
  
  Proceedings of the 17th International Conference on Agents and Artificial Intelligence - Volume 1: QAIO
  
  Volume: - Pages: 793-803
- DOI
  10.5220/0013403200003890
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24K00543, KAKENHI-PROJECT-22K18682
[Journal Article] Quantum phase transition between spin liquid and spin nematics in spin-1 Kitaev honeycomb model2024
- Author(s)
  Mashiko Tohru、Okubo Tsuyoshi
- Journal Title
  
  Physical Review Research
  
  Volume: 6 Issue: 3 Pages: 033110-033110
- DOI
  10.1103/physrevresearch.6.033110
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00122, KAKENHI-PROJECT-23K22450, KAKENHI-PROJECT-22K18682
[Journal Article] Hunting for quantum-classical crossover in condensed matter problems2024
- Author(s)
  Yoshioka Nobuyuki、Okubo Tsuyoshi、Suzuki Yasunari、Koizumi Yuki、Mizukami Wataru
- Journal Title
  
  npj Quantum Information
  
  Volume: 10 Issue: 1 Pages: 45-45
- DOI
  10.1038/s41534-024-00839-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K22450, KAKENHI-PROJECT-22K18682
[Journal Article] Possibility of a Topological Phase Transition in Two-dimensional RP3 Model2023
- Author(s)
  Okubo Tsuyoshi、Kawashima Naoki
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 92 Issue: 11
- DOI
  10.7566/jpsj.92.114701
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K22450, KAKENHI-PROJECT-23K25789
[Journal Article] 拡張キタエフ模型における熱ホール伝導度のテンソルネットワーク法による研究2022
- Author(s)
  大久保毅
- Journal Title
  
  固体物理
  
  Volume: 57 Pages: 633-642
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H00122
[Journal Article] TeNeS: Tensor network solver for quantum lattice systems2022
- Author(s)
  Motoyama Yuichi、Okubo Tsuyoshi、Yoshimi Kazuyoshi、Morita Satoshi、Kato Takeo、Kawashima Naoki
- Journal Title
  
  Computer Physics Communications
  
  Volume: 279 Pages: 1084371-08437
- DOI
  10.1016/j.cpc.2022.108437
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H01809, KAKENHI-PROJECT-19K03740, KAKENHI-PROJECT-23K22450
[Journal Article] Bond-weighted tensor renormalization group2022
- Author(s)
  Adachi Daiki、Okubo Tsuyoshi、Todo Synge
- Journal Title
  
  Physical Review B
  
  Volume: 105 Issue: 6
- DOI
  10.1103/physrevb.105.l060402
- NAID
  130008156600
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K03740, KAKENHI-PROJECT-20H00122, KAKENHI-PROJECT-20H01824
[Journal Article] Phase shift in skyrmion crystals2021
- Author(s)
  Hayami Satoru、Okubo Tsuyoshi、Motome Yukitoshi
- Journal Title
  
  Nature Communications
  
  Volume: 12 Issue: 1 Pages: 6927-6927
- DOI
  10.1038/s41467-021-27083-0
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H01834, KAKENHI-PROJECT-19K03740, KAKENHI-PLANNED-19H05825, KAKENHI-PROJECT-23K20827
[Journal Article] Quantum critical phenomena in a spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math> frustrated square lattice with spatial anisotropy2021
- Author(s)
  Yamaguchi H.、Iwasaki Y.、Kono Y.、Okubo T.、Miyamoto S.、Hosokoshi Y.、Matsuo A.、Sakakibara T.、Kida T.、Hagiwara M.
- Journal Title
  
  Physical Review B
  
  Volume: 103 Issue: 22
- DOI
  10.1103/physrevb.103.l220407
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03740
[Journal Article] Gapped ground state in a spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math> frustrated square lattice2021
- Author(s)
  Yamaguchi H.、Uemoto N.、Okubo T.、Kono Y.、Kittaka S.、Sakakibara T.、Yajima T.、Shimono S.、Iwasaki Y.、Hosokoshi Y.
- Journal Title
  
  Physical Review B
  
  Volume: 104 Issue: 6
- DOI
  10.1103/physrevb.104.l060411
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03740
[Journal Article] Magnetic field induced quantum phases in a tensor network study of Kitaev magnets2020
- Author(s)
  Lee Hyun-Yong、Kaneko Ryui、Chern Li Ern、Okubo Tsuyoshi、Yamaji Youhei、Kawashima Naoki、Kim Yong Baek
- Journal Title
  
  Nature Communications
  
  Volume: 11 Issue: 1
- DOI
  10.1038/s41467-020-15320-x
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740, KAKENHI-PROJECT-19H01809
[Journal Article] Anisotropic tensor renormalization group2020
- Author(s)
  Adachi Daiki、Okubo Tsuyoshi、Todo Synge
- Journal Title
  
  Physical Review B
  
  Volume: 102 Issue: 5
- DOI
  10.1103/physrevb.102.054432
- NAID
  130008152810
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03740, KAKENHI-PROJECT-20H01824, KAKENHI-PROJECT-17K05564
[Journal Article] Zero-energy excitation in the classical kagome antiferromagnet NaBa2Mn3F112020
- Author(s)
  Hayashida Shohei、Ishikawa Hajime、Okamoto Yoshihiko、Okubo Tsuyoshi、Hiroi Zenji、Nilsen G?ran J.、Mutka Hannu、Masuda Takatsugu
- Journal Title
  
  Physical Review B
  
  Volume: 101 Issue: 21
- DOI
  10.1103/physrevb.101.214409
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Journal Article] Abelian and non-Abelian chiral spin liquids in a compact tensor network representation2020
- Author(s)
  Lee Hyun-Yong、Kaneko Ryui、Okubo Tsuyoshi、Kawashima Naoki
- Journal Title
  
  Physical Review B
  
  Volume: 101 Issue: 3
- DOI
  10.1103/physrevb.101.035140
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740, KAKENHI-PROJECT-19H01809
[Journal Article] A series of magnon crystals appearing under ultrahigh magnetic fields in a kagom? antiferromagnet2019
- Author(s)
  R. Okuma, D. Nakamura, T. Okubo, A. Miyake, A. Matsuo, K. Kindo, M. Tokunaga, N. Kawashima, S. Takeyama and Z. Hiroi
- Journal Title
  
  Nature Communications
  
  Volume: 10 Issue: 1 Pages: 1229-1229
- DOI
  10.1038/s41467-019-09063-7
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K17701
[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] Gapless Kitaev Spin Liquid to Classical String Gas through Tensor Networks2019
- Author(s)
  Lee Hyun-Yong、Kaneko Ryui、Okubo Tsuyoshi、Kawashima Naoki
- Journal Title
  
  Physical Review Letters
  
  Volume: 123 Issue: 8
- DOI
  10.1103/physrevlett.123.087203
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740, KAKENHI-PROJECT-19H01809
[Journal Article] Magnetic state selected by magnetic dipole interaction in the kagome antiferromagnet NaBa2Mn3F112018
- Author(s)
  Hayashida Shohei、Ishikawa Hajime、Okamoto Yoshihiko、Okubo Tsuyoshi、Hiroi Zenji、Avdeev Maxim、Manuel Pascal、Hagihala Masato、Soda Minoru、Masuda Takatsugu
- Journal Title
  
  Physical Review B
  
  Volume: 97 Issue: 5
- DOI
  10.1103/physrevb.97.054411
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Journal Article] Field-enhanced quantum fluctuation in an S=1/2 frustrated square lattice2018
- Author(s)
  Yamaguchi H.、Sasaki Y.、Okubo T.、Yoshida M.、Kida T.、Hagiwara M.、Kono Y.、Kittaka S.、Sakakibara T.、Takigawa M.、Iwasaki Y.、Hosokoshi Y.
- Journal Title
  
  Physical Review B
  
  Volume: 98 Issue: 9 Pages: 094402-094402
- DOI
  10.1103/physrevb.98.094402
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01161, KAKENHI-PROJECT-17H04850, KAKENHI-PROJECT-15K17701, KAKENHI-PROJECT-17H02918, KAKENHI-PUBLICLY-18H04310
[Journal Article] Weak ferromagnetic order breaking the threefold rotational symmetry of the underlying kagome lattice in CdCu3 (OH)6 (NO3)2 H2O2017
- Author(s)
  Ryutaro Okuma, Takeshi Yajima, Daisuke Nishio-Hamane, Tsuyoshi Okubo, and Zenji Hiroi
- Journal Title
  
  Physical Review B
  
  Volume: 95 Issue: 9 Pages: 094427-094427
- DOI
  10.1103/physrevb.95.094427
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K17701, KAKENHI-PROJECT-15K17785, KAKENHI-PROJECT-16K13831
[Journal Article] Ground-state properties of Na2IrO3 determined from an ab initio Hamiltonian and its extensions containing Kitaev and extended Heisenberg interactions2017
- Author(s)
  Okubo Tsuyoshi、Shinjo Kazuya、Yamaji Youhei、Kawashima Naoki、Sota Shigetoshi、Tohyama Takami、Imada Masatoshi
- Journal Title
  
  Physical Review B
  
  Volume: 96 Issue: 5
- DOI
  10.1103/physrevb.96.054434
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K17701, KAKENHI-PROJECT-16H06345
[Journal Article] Quantum phase transitions driven by rhombic-type single-ion anisotropy in the S=1 Haldane chain2017
- Author(s)
  Y.-C. Tzeng, H. Onishi, T. Okubo, and Y.-J. Kao
- Journal Title
  
  Phys. Rev. B
  
  Volume: 96 Issue: 6
- DOI
  10.1103/physrevb.96.060404
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05494, KAKENHI-PROJECT-15K17701
[Presentation] 無限系テンソルネットワーク表現による拡張キタエフ模型の有限温度物性解析2025
- Author(s)
  大久保毅
- Organizer
  日本物理学会2025年春季大会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] Tensor Network approaches to quantum spin liquid2025
- Author(s)
  Tsuyoshi Okubo
- Organizer
  The 38th Annual CSP Workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] 量子技術の応用:量子多体問題と機械学習への展開2025
- Author(s)
  大久保毅
- Organizer
  第三回　Agora 講演会 ―現在の量子技術とその先―
- Invited
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] ツリーテンソルネットワークを用いた生成モデルにおけるテンソル・ネットワーク最適化2025
- Author(s)
  原田健自, 大久保毅, 川島直輝
- Organizer
  日本物理学会2025年春季大会
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor Network Methods for Quantum Many-Body Problems2025
- Author(s)
  Tsuyoshi Okubo
- Organizer
  International Workshop on Massively Parallel Programming for Quantum Chemistry and Physics (MPQCP 2025)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] 無限系テンソルネットワーク表現による拡張キタエフ模型の有限温度物性解析2025
- Author(s)
  大久保毅
- Organizer
  日本物理学会2025年春季大会
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor Network Methods for Quantum Many-Body Problems2025
- Author(s)
  Tsuyoshi Okubo
- Organizer
  International Workshop on Massively Parallel Programming for Quantum Chemistry and Physics (MPQCP 2025)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Application of Tensor Network States and Their Embeddings to Quantum Circuits2025
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Korea-US-Japan Quantum International Collaborative Research Workshop 2025
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Application of Tensor Network States and Their Embeddings to Quantum Circuits2025
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Korea-US-Japan Quantum International Collaborative Research Workshop 2025
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor Network Methods for Quantum Many-Body Problems2025
- Author(s)
  Tsuyoshi Okubo
- Organizer
  International Workshop on Massively Parallel Programming for Quantum Chemistry and Physics (MPQCP 2025)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] Tensor Network approaches to quantum spin liquid2025
- Author(s)
  Tsuyoshi Okubo
- Organizer
  The 38th Annual CSP Workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] 無限系テンソルネットワーク表現による拡張キタエフ模型の有限温度物性解析2025
- Author(s)
  大久保毅
- Organizer
  日本物理学会2025年春季大会
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] 量子技術の応用:量子多体問題と機械学習への展開2025
- Author(s)
  大久保毅
- Organizer
  第三回　Agora 講演会 ―現在の量子技術とその先―
- Invited
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor Network approaches to quantum spin liquid2025
- Author(s)
  Tsuyoshi Okubo
- Organizer
  The 38th Annual CSP Workshop,
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor-Network-Based Approach to Kitaev Spin Liquid2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Annual Meeting of the Physical Society of Taiwan 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] テンソルネットネットワーク法による二次元量子格子模型の解析2024
- Author(s)
  大久保毅
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の現在と未来」
- Invited
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Quantum Circuit Representations of Spin Liquids and Their Optimization2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  CCP2024- 35th IUPAP Conference on Computational Physics (CCP2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Tensor-Network-Based Approach to Kitaev Spin Liquid2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Annual Meeting of the Physical Society of Taiwan 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] Tensor-Network-Based Approach to Kitaev Spin Liquid2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Annual Meeting of the Physical Society of Taiwan 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] スピン-1 ハニカム格子模型における，キタエフスピン液体－スピンネマティック秩序相転2024
- Author(s)
  益子通生流, 大久保毅
- Organizer
  日本物理学会2024年春季大会
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Quantum-classical entangled approach using tensor networks for investigating quantum spin liquid2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Mini-workshop: Tensor Network algorithms and applications 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Quantum phase transition between spin liquid and spin nematics in spin-1 Kitaev honeycomb model2024
- Author(s)
  Tohru Mashiko, Tsuyoshi Okubo
- Organizer
  CCP2024- 35th IUPAP Conference on Computational Physics (CCP2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Quantum Circuit Representations of Spin Liquids and Their Optimization2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  CCP2024- 35th IUPAP Conference on Computational Physics (CCP2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Quantum-classical entangled approach using tensor networks for investigating quantum spin liquid2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Mini-workshop: Tensor Network algorithms and applications 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] Recent progress in tensor network approach for condensed matter physics2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  KEK-THEORY Workshop 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Tensor network Approaches to S=1/2 and S=1 Kitaev spin liquids2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Correlated Quantum Materials + beyond
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor-Network-Based Approach to Kitaev Spin Liquid2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Annual Meeting of the Physical Society of Taiwan 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Quantum-classical entangled approach using tensor networks for investigating quantum spin liquid2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Mini-workshop: Tensor Network algorithms and applications 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] スピン-1 ハニカム格子模型における，キタエフスピン液体－スピンネマティック秩序相転移2024
- Author(s)
  益子通生流, 大久保毅
- Organizer
  日本物理学会2024年春季大会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] 量子特異値変換を用いたハミルトニアンシミュレーションにおける量子エラー抑制2024
- Author(s)
  大江勅範, 大久保毅, 藤堂眞治
- Organizer
  日本物理学会第79回年次大会
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor network Approaches to S=1/2 and S=1 Kitaev spin liquids2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  ISSP Theory mini-Workshop: Correlated Quantum Materials + beyond
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] 量子コンピューティング・FTQC・テンソルネットワーク2024
- Author(s)
  大久保毅
- Organizer
  第２回量子ソフトウェアシンポジウム：FTQC実現に向けた世界の動向
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] ツリーテンソルネットワークの浅い量子回路への埋め込み2024
- Author(s)
  菅原翔太, 大久保毅, 藤堂眞治
- Organizer
  日本物理学会第79回年次大会
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] 人工深層ニューラルネットワークにおける吸収状態転移2024
- Author(s)
  玉井敬一, 大久保毅, Truong Vinh Truong Duy, 名取直毅, 藤堂眞治
- Organizer
  日本物理学会2024年春季大会
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] テンソルネットワークを用いた生成モデルの最適化されたネットワーク構造の解析2024
- Author(s)
  原田健自, 大久保毅, 川島直輝
- Organizer
  日本物理学会2024年春季大会
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] Tensor network Approaches to S=1/2 and S=1 Kitaev spin liquids2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Correlated Quantum Materials + beyond
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Recent progress in tensor network approach for condensed matter physics2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  KEK-THEORY Workshop 2024,
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] テンソルネットネットワーク法による二次元量子格子模型の解析2024
- Author(s)
  大久保毅
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の現在と未来」
- Invited
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] Tensor network approaches for condensed matter physics2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  16th Symposium on Discovery, Fusion, Creation of New Knowledge by Multidisciplinary Computational Sciences
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] スピン-1 ハニカム格子模型における，キタエフスピン液体－スピンネマティック秩序相転2024
- Author(s)
  益子通生流, 大久保毅
- Organizer
  日本物理学会2024年春季大会
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] テンソルネットネットワーク法による二次元量子格子模型の解析2024
- Author(s)
  大久保毅
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の現在と未来」
- Invited
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor network approaches for condensed matter physics2024
- Author(s)
  Tsuyoshi Okubo
- Organizer
  16th Symposium on Discovery, Fusion, Creation of New Knowledge by Multidisciplinary Computational Sciences
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] テンソルネットワークと量子計算2024
- Author(s)
  大久保毅
- Organizer
  Q2B24 Tokyo
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] テンソルネットワーク状態による二次元フラストレート磁性体の解析と有限温度への拡張2023
- Author(s)
  大久保毅
- Organizer
  Tensor Network 2023
- Invited
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] 量子スピン液体の量子回路表現とNISQでの応用2023
- Author(s)
  大久保毅
- Organizer
  第1回学術変革領域「学習物理」物性関係討論会
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] テンソルネットワークと量子計算2023
- Author(s)
  大久保毅
- Organizer
  場の理論の新しい計算方法2023
- Invited
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] 拡張キタエフ模型における保存量とテンソルネットワーク表現2023
- Author(s)
  大久保毅
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Finite temperature simulation of extended Kitaev model by tensor network approach2023
- Author(s)
  Tsuyoshi Okubo
- Organizer
  CCP2023-34th IUPAP Conference on Computational Physics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] 量子スピン液体の量子回路表現とNISQでの応用2023
- Author(s)
  大久保毅
- Organizer
  第1回学術変革領域「学習物理」物性関係討論会
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] テンソルネットワークと量子計算2023
- Author(s)
  大久保毅
- Organizer
  場の理論の新しい計算方法2023
- Invited
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] テンソルネットワーク状態による二次元フラストレート磁性体の解析と有限温度への拡張2023
- Author(s)
  大久保毅
- Organizer
  Tensor Network 2023
- Invited
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] 拡張キタエフ模型における保存量とテンソルネットワーク表現2023
- Author(s)
  大久保毅
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] キタエフスピン液体におけるスピンゼーベック効果2023
- Author(s)
  加藤康之, 那須譲治, 大久保毅, 三澤貴宏, 佐藤正寛, 求幸年
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] テンソルネットワーク状態による二次元フラストレート磁性体の解析と有限温度への拡張2023
- Author(s)
  大久保毅
- Organizer
  Tensor Network 2023
- Invited
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] テンソルネットワーク法による量子古典エンタングルアルゴリズムの提案2023
- Author(s)
  大久保毅
- Organizer
  物性研究のための量子アルゴリズム最前線
- Invited
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] 量子スピン液体の量子回路表現とNISQでの応用2023
- Author(s)
  大久保毅
- Organizer
  第1回学術変革領域「学習物理」物性関係討論会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] テンソルネットワークを用いた生成モデルの情報量に基づくネットワーク最適化2023
- Author(s)
  原田健自, 大久保毅, 川島直輝
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] テンソルネットワークと量子計算2023
- Author(s)
  大久保毅
- Organizer
  場の理論の新しい計算方法2023
- Invited
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] テンソルネットワークによる量子古典エンタングルアルゴリズムの提案2023
- Author(s)
  大久保毅
- Organizer
  物性研究のための量子アルゴリズム最前線
- Invited
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Finite temperature simulation of extended Kitaev model by tensor network approach2023
- Author(s)
  Tsuyoshi Okubo
- Organizer
  34th IUPAP Conference on Computational Physics (CCP2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] テンソルネットワーク法による量子古典エンタングルアルゴリズムの提案2023
- Author(s)
  大久保毅
- Organizer
  物性研究のための量子アルゴリズム最前線
- Invited
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 量子スピン液体の量子回路表現とNISQでの応用2023
- Author(s)
  大久保毅
- Organizer
  第1回学術変革領域「学習物理」物性関係討論会
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] キタエフスピン液体におけるスピンゼーベック効果2023
- Author(s)
  加藤康之, 那須譲治, 大久保毅, 三澤貴宏, 佐藤正寛, 求幸年
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] 拡張キタエフ模型における保存量とテンソルネットワーク表現2023
- Author(s)
  大久保毅
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PLANNED-23H03818
[Presentation] Quantum-classical entangled approach with tensor networks to investigating quantum spin liquid2023
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Advanced Study Group: Tensor Network Approaches to Many-Body Systems
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] PESS型テンソルネットワークによる拡張キタエフ模型の解析2022
- Author(s)
  大久保毅
- Organizer
  日本物理学会 2022年秋季大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network representation of Kitaev spin liquid and its application to quantum circuit-based variation calculations2022
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Novel Quantum States in Condensed Matter 2022 (NQS2022)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Tensor network representation of Kitaev spin liquid and its application to quantum circuit-based variational calculations2022
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Novel Quantum States in Condensed Matter 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network representation of Kitaev spin liquid and its application to quantum circuit-based variational calculations2022
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Novel Quantum States in Condensed Matter 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] Tensor network approach to Kitaev spin liquid2022
- Author(s)
  Tsuyoshi Okubo
- Organizer
  The 15th Asia Pacific Physics Conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] スキルミオン結晶における位相シフト2022
- Author(s)
  速水賢, 大久保毅, 求幸年
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network representation of Kitaev spin liquid and its application to quantum circuit-based variation calculations2022
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Novel Quantum States in Condensed Matter 2022 (NQS2022)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18682
[Presentation] Tensor network approach to Kitaev spin liquid2022
- Author(s)
  Tsuyoshi Okubo
- Organizer
  The 15th Asia Pacific Physics Conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] PESS型テンソルネットワークによる拡張キタエフ模型の解析2022
- Author(s)
  大久保毅
- Organizer
  日本物理学会2022年秋季大会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] キタエフ量子スピン液体の量子回路表現とその最適化2022
- Author(s)
  大久保毅
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] キタエフ量子スピン液体の量子回路表現とその最適化2022
- Author(s)
  大久保毅
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 2サイトアップデート法によるテンソルリング分解の最適化2022
- Author(s)
  大久保毅、川島直輝
- Organizer
  日本物理学会 2022年秋季大会
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] Tensor network approach to two-dimensional frustrated spin system2022
- Author(s)
  Tsuyoshi Okubo
- 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-20H00122
[Presentation] テンソルネットワーク法の量子多体問題への適用と量子計算機への展開2022
- Author(s)
  大久保毅
- Organizer
  量子多体計算のフロンティア
- Invited
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] PESS型テンソルネットワークによる拡張キタエフ模型の解析2022
- Author(s)
  大久保毅
- Organizer
  日本物理学会 2022年秋季大会
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] テンソルネットワーク法の量子多体問題への適用と量子計算機への展開2022
- Author(s)
  大久保毅
- Organizer
  量子多体計算のフロンティア
- Invited
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network approach to two-dimensional frustrated spin systems2022
- Author(s)
  Tsuyoshi Okubo
- 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-23K22450
[Presentation] Tensor network approach to two-dimensional frustrated spin system2022
- Author(s)
  Tsuyoshi Okubo
- 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-19K03740
[Presentation] Tensor network approach to Kitaev spin liquid2022
- Author(s)
  Tsuyoshi Okubo
- Organizer
  15th Asia Pacific Physics Conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22450
[Presentation] キタエフ量子スピン液体の熱ホール伝導度に対する非対角相互作用の効果2021
- Author(s)
  大久保毅, 那須譲治, 三澤貴宏, 求幸年
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] A series of magnon crystals appearing under ultrahigh magnetic fields in a kagome antiferromagnet2021
- Author(s)
  Ryutaro Okuma, Daisuke Nakamura, Tsuyoshi Okubo, Atsushi Miyake, Akira Matsuo, Koichi Kindo, Masashi Tokunaga, Naoki Kawashima, Shojiro Takeyama, Zenji Hiroi
- Organizer
  APS March Meeting 2021
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 拡張キタエフ模型における熱ホール伝導度の数値的研究2021
- Author(s)
  大久保毅
- Organizer
  キタエフ量子スピン液体研究の新展開
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network study of honeycomb lattice Kitaev model2021
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Recent progress in theoretical physics based on quantum information theory
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] キタエフ量子スピン液体の熱ホール伝導度に対する非対角相互作用の効果2021
- Author(s)
  大久保毅, 那須譲治, 三澤貴宏, 求幸年
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Efficient tomography of microwave photonic cluster states2021
- Author(s)
  Yoshiki Sunada, Shingo Kono, Jesper Ilves, Takanori Sugiyama, Yasunari Suzuki, Tsuyoshi Okubo, Yasunobu Nakamura
- Organizer
  APS March Meeting 2021
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 量子物理とテンソルネットワーク2021
- Author(s)
  大久保毅
- Organizer
  第1回量子ソフトウェアワークショップ：テンソルネットワークと量子計算の展望
- Invited
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] 量子物理とテンソルネットワーク2021
- Author(s)
  大久保毅
- Organizer
  第1回量子ソフトウェアワークショップ：テンソルネットワークと量子計算の展望
- Invited
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Large spin fluctuation in the magnetization process of frustrated square lattice Heisenberg magnets2021
- Author(s)
  Tsuyoshi Okubo
- Organizer
  The International Workshop on Quantum Magnets in Extreme Conditions
- Invited
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 伝搬マイクロ波光子列クラスター状態の効率的な量子状態トモグラフィ2021
- Author(s)
  砂田佳希, 河野信吾, Jesper Ilves, 杉山太香典, 鈴木泰成, 大久保毅, 玉手修平, 田渕豊, 中村泰信
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network approach to the magnetization of frustrated square lattice Heisenberg systems”2021
- Author(s)
  Tsuyoshi Okubo
- Organizer
  XXXII IUPAP Conference on Computational Physics (CCP2021),
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network study of honeycomb lattice Kitaev model2021
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Recent progress in theoretical physics based on quantum information theory
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] テンソルネットワーク手法を用いたハニカム格子上のHeisenberg-Γ模型の基底状態探索2020
- Author(s)
  金子隆威, 大久保毅, 川島直輝
- Organizer
  日本物理学会第75回年次大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 二次元量子格子系テンソルネットワークソルバーパッケージ TeNeS2020
- Author(s)
  本山裕一, 大久保毅, 森田悟史, 吉見一慶, 加藤岳生, 川島直輝
- Organizer
  日本物理学会2020年秋季大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 密度行列のテンソルネットワーク表現による有限温度キタエフ模型の解析2020
- Author(s)
  大久保毅
- Organizer
  物性研究所短期研究会「量子多体計算と第一原理計算の新展開」
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] ボンド重み付きテンソルくりこみ群2020
- Author(s)
  足立大樹, 大久保毅, 藤堂眞治
- Organizer
  日本物理学会第75回年次大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] テンソルネットワーク法による量子スピン系の基底状態計算2020
- Author(s)
  大久保毅
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の新展開2020」
- Invited
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 密度行列のテンソルネットワーク表現による有限温度キタエフ模型の解析2020
- Author(s)
  大久保毅
- Organizer
  物性研究所短期研究会「量子多体計算と第一原理計算の新展開」
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 密度行列のテンソルネットワーク表示による有限温度キタエフ模型の解析2020
- Author(s)
  大久保毅
- Organizer
  日本物理学会第75回年次大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] テンソルネットワーク法による拡張キタエフ模型の有限温度物性の解析2020
- Author(s)
  大久保毅
- Organizer
  日本物理学会2020年秋季大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] テンソルネットワーク法による拡張キタエフ模型の有限温度物性の解析2020
- Author(s)
  大久保毅
- Organizer
  日本物理学会2020年秋季大会
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] テンソルネットワーク法による量子スピン系の基底状態計算2020
- Author(s)
  大久保毅
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の新展開2020」
- Invited
- Data Source
  KAKENHI-PROJECT-20H00122
[Presentation] Tensor network study on extended Kitaev models2020
- Author(s)
  Tsuyoshi Okubo
- Organizer
  The 33rd Annual CSP Workshop, Univerisity of Georgica
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] テンソルネットワーク法を用いた拡張Kitaev模型の基底状態探索2019
- Author(s)
  金子隆威、大久保毅、H.-Y. Lee、山地洋平、川島直輝
- Organizer
  第13回物性科学領域横断研究会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 無限系テンソルネットワーク状態の変分最適化とフラストレート磁性体への適用2019
- Author(s)
  大久保毅
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の新展開」
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network study of the Kitaev spin liquid2019
- Author(s)
  R. Kaneko, T. Okubo, H.-Y. Lee, Y. Yamaji, and N. Kawashima,
- Organizer
  Frontiers of Statistical Physics (FSP2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Searching for the Kitaev spin liquid by the tensor network approach2019
- Author(s)
  金子隆威、大久保毅、H.-Y. Lee、山地洋平、川島直輝
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の新展開」
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Kitaev Spin Liquids in a Compact Tensor Network Representation2019
- Author(s)
  H.-Y. Lee, R. Kaneko, T. Okubo, and N. Kawashima,
- Organizer
  日本物理学会 2019年秋季大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] テンソルネットワーク法の開発とキタエフスピン液体への適用2019
- Author(s)
  大久保毅，金子隆威，Hyun-Yong Lee，山地洋平，川島直輝
- Organizer
  ポスト「京」重点課題(7) 第5回シンポジウム
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Anisotropic tensor renormalization group and BTRG2019
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Workshop on Tensor Network States: Algorithms and Applications (TNSAA2019-2020)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network approach to the Kitaev spin liquid2019
- Author(s)
  R. Kaneko, T. Okubo, H.-Y. Lee, Y. Yamaji, and N. Kawashima
- Organizer
  International Conference on Frontiers of Correlated Electron Sciences (FCES19)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Numerical search for tensor-network representation reproducing the critical behavior of the Kitaev spin liquid2019
- Author(s)
  Ryui Kaneko, Tsuyoshi Okubo, Hyunyong Lee, Youhei Yamaji, Naoki Kawashima
- Organizer
  日本物理学会第74回年次大会
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Study on Z2-vortex ordering by massively parallel Monte Carlo simulation2019
- Author(s)
  T. Okubo and N. Kawashima
- Organizer
  Frontiers of Statistical Physics (FSP2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 無限系テンソルネットワークの変分最適化による拡張キタエフ模型の解析2019
- Author(s)
  大久保毅
- Organizer
  日本物理学会 2019年秋季大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor Network Study of the Stability of the Kitaev Spin Liquid2019
- Author(s)
  R. Kaneko, T. Okubo, H.-Y. Lee, Y. Yamaji, and N. Kawashima
- Organizer
  International Conference on Strongly Correlated Electron Systems (SCES2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Tensor network approach to frustrated spin systems2019
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Computational Approaches to Quantum Many-body Problems (CAQMP2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] 非等方的なテンソルくりこみ群2019
- Author(s)
  足立大樹, 大久保毅, 藤堂眞治
- Organizer
  日本物理学会 2019年秋季大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] テンソルネットワーク手法を用いたKitaev-Γ模型のスピン液体の解析2019
- Author(s)
  金子隆威、大久保毅、山地洋平、川島直輝
- Organizer
  日本物理学会 2019年秋季大会
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] Large spin fluctuation in the magnetization process of frustrated square lattice Heisenberg model2019
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Computational Approaches to Quantum Many-body Problems (CAQMP2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03740
[Presentation] ensor network study on Kitaev materials2018
- Author(s)
  Tsuyoshi Okubo
- Organizer
  International Conference on Magnetism 2018 (ICM2018)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Kitaev模型の基底状態を記述するテンソルネットワーク手法の再考2018
- Author(s)
  金子隆威、大久保毅、山地洋平、川島直輝
- Organizer
  日本物理学会第７３回年次大会
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] フラストレート正方格子量子スピン模型の磁化過程における大きなスピン揺らぎ2018
- Author(s)
  大久保毅，山口博則
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor network study on Kitaev materials: Search for Kitaev spin liquid2018
- Author(s)
  Tsuyoshi Okubo
- Organizer
  The 2nd Asia Pacific Workshop on Quantum Magnetism (APFM2018)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法によるキタエフ物質の基底状態研究2018
- Author(s)
  大久保毅，金子隆威，山地洋平，川島直輝
- Organizer
  量子情報・物性の新潮流
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法の開発とキタエフスピン液体への適用2018
- Author(s)
  大久保毅
- Organizer
  ポスト「京」重点課題（７）第４回シンポジウム
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法による非対角相互作用のあるハニカム格子キタエフ模型の基底状態計算2018
- Author(s)
  大久保毅、金子隆威、山地洋平、川島直輝
- Organizer
  日本物理学会第７３回年次大会
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] 並列モンテカルロ法によるフラストレート磁性体におけるトポロジカル転移の探求2018
- Author(s)
  大久保毅，川島直輝
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の今と未来」
- Invited
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor network quantum states and their application to quantum spin systems2018
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Interdisciplinary Workshop on Tensor Network
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor netowork study of Kitaev materials2018
- Author(s)
  T. Okubo, Y. Yamaji and Naoki Kawashima
- Organizer
  3rd International Symposium on Research and Education of Computational Science (RECS2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法を用いた非対角相互作用を持つハニカム格子模型の基底状態の探索2018
- Author(s)
  金子隆威, 大久保毅, 山地洋平, 川島直輝
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] フラストレートした正方格子ハイゼンベルグ模型における大きなスピン揺らぎと1/2磁化プラトー2018
- Author(s)
  大久保毅
- Organizer
  スピン系物理の最前線
- Invited
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] 異方的相互作用を持つカゴメ格子反強磁性体における基底状態の6重縮退と相転移2017
- Author(s)
  大久保毅、大熊隆太郎、広井善二
- Organizer
  日本物理学会第７２回年次大会
- Place of Presentation
  大阪大学（大阪府豊中市）
- Year and Date
  2017-03-19
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Multiple-q States and Skyrmion Lattice in Frustrated Spin Systems2017
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Skyrmionics: Materials, Phenomena and Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] MPI並列テンソルネットワーク法の開発と２次元量子スピン模型への適用2017
- Author(s)
  大久保毅、川島直輝
- Organizer
  第３回CDMSI（ポスト「京」重点課題（７））シンポジウム　～次世代の産業を支える新機能デバイス・高性能材料の創成～
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Application of tensor network method to quantum spin systems2017
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Workshop on quantum dynamics and response
- Place of Presentation
  東京大学（東京都文京区）
- Year and Date
  2017-03-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法によるキタエフスピン液体の探求2017
- Author(s)
  大久保毅、川島直輝
- Organizer
  第２回CDMSI（ポスト「京」重点課題（７））研究会
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor network study on Kitaev materials2017
- Author(s)
  Tsuyoshi Okubo
- Organizer
  Novel Quantum States in Condensed Matter 2017
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法によるS=1/2カゴメ格子模型の磁化過程の研究2017
- Author(s)
  大久保毅，川島直輝
- Organizer
  Conference on Unusual Physics in Kagome Lattice
- Place of Presentation
  北海道大学（北海道札幌市）
- Year and Date
  2017-02-28
- Invited
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Ground state properties of Na2IrO3 determined from ab initio Hamiltonian2017
- Author(s)
  T. Okubo, K. Shinjo, Y. Yamaji, N. Kawashima, S. Sota, T. Tohyama, M. Imada
- Organizer
  Entanglement in Strongly Correlated Systems
- Place of Presentation
  Benasque (Spain)
- Year and Date
  2017-02-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法の量子スピン液体への適用2017
- Author(s)
  大久保毅、川島直輝
- Organizer
  ポスト「京」コンピュータ萌芽的課題1サブ課題D「量子力学と情報」研究会
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法によるキタエフスピン物質の研究2017
- Author(s)
  大久保毅、川島直輝
- Organizer
  第二回量子スピン液体研究の新展開
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法のフラストレートスピン系への適用2017
- Author(s)
  大久保毅
- Organizer
  日本物理学会第７２回年次大会
- Place of Presentation
  大阪大学（大阪府豊中市）
- Year and Date
  2017-03-18
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法によるカゴメ格子量子スピン模型の磁化過程計算2017
- Author(s)
  大久保毅、川島直輝
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の今と未来」
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor network study on magnetization process of kagome lattice Heisenberg antiferromagnets2016
- Author(s)
  Tsuyoshi Okubo and Naoki Kawashima
- Organizer
  International USMM & CMSI Workshop: Frontiers of Materials and Correlated Electron Science -from Bulk to Thin Films and Interfaces
- Place of Presentation
  東京大学小柴ホール（東京都文京区）
- Year and Date
  2016-01-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワークくり込みによる臨界指数と演算子積展開係数の計算2016
- Author(s)
  大久保毅、川島直輝
- Organizer
  日本物理学会第７１回年次大会
- Place of Presentation
  東北学院大学（宮城県仙台市）
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Ground state properties of Na2IrO3 determined from ab initio Hamiltonian2016
- Author(s)
  T. Okubo, K. Shinjo, Y. Yamaji, N. Kawashima, S. Sota, T. Tohyama, M. Imada
- Organizer
  Fourth Workshop on Tensor network States:Algorithms and Applications
- Place of Presentation
  Hsinchu (Taiwan)
- Year and Date
  2016-12-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] フラストレート磁性体におけるトポロジカル相転移の研究2016
- Author(s)
  大久保毅，川島直輝
- Organizer
  第３回HPCI成果報告会
- Place of Presentation
  コクヨホール（東京都港区）
- Year and Date
  2016-10-21
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor network method and its application to frustrated spin systems2016
- Author(s)
  Tsuyoshi Okubo
- Organizer
  1st International Symposium on Research and Education of Computational Science (RECS)
- Place of Presentation
  東京大学小柴ホール（東京都文京区）
- Year and Date
  2016-11-30
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] 大規模並列モンテカルロ法による Z2 ボルテックス転移の研究2016
- Author(s)
  大久保毅，川島直輝
- Organizer
  物性研究所スパコン共同利用・CCMS合同研究会「計算物質科学の今と未来」
- Place of Presentation
  東京大学物性研究所（千葉県柏市）
- Year and Date
  2016-04-04
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Magnetization process of kagome lattice Heisenberg antiferromagnets: 1/3 plateau state and effects of Dzyaloshinskii-Moriya interaction2016
- Author(s)
  Tsuyoshi Okubo, Naoki Kawashima
- Organizer
  International Workshop on Tensor Networks and Quantum Many-Body Problems (TNQMP2016) 
- Place of Presentation
  東京大学物性研究所（千葉県柏市）
- Year and Date
  2016-07-04
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Ground state properties of frustrated honeycomb and kagome lattice antiferromagnets2016
- Author(s)
  Tsuyoshi Okubo and Naoki Kawashima
- Organizer
  "The 75th Okazaki Conference Tensor Network States: Algorithms and Applications 2016"
- Place of Presentation
  岡崎コンファレンスセンター（愛知県岡崎市）
- Year and Date
  2016-01-11
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor network study on magnetization process of the kagome lattice Heisenberg antiferromagnets2016
- Author(s)
  Tsuyoshi Okubo, Naoki Kawashima
- Organizer
  Trends in Theory of Correlated Materials 2016 (TTCM2016)
- Place of Presentation
  Villigen (Switzerland)
- Year and Date
  2016-05-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor network study on magnetization process of the kagome lattice Heisenberg antiferromagnets2016
- Author(s)
  Tsuyoshi Okubo, Naoki Kawashima
- Organizer
  Highly Frustrated Magnetism 2016
- Place of Presentation
  Taipei (Taiwan)
- Year and Date
  2016-09-08
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] 大規模並列モンテカルロ法によるZ2ボルテックス転移の検証2016
- Author(s)
  大久保毅，川島直輝
- Organizer
  日本物理学会２０１６年秋季大会
- Place of Presentation
  金沢大学（石川県金沢市）
- Year and Date
  2016-09-16
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法によるS=1/2カゴメ格子量子スピン模型の磁化プラトー状態の研究2016
- Author(s)
  大久保毅，川島直輝
- Organizer
  日本物理学会２０１６年秋季大会
- Place of Presentation
  金沢大学（石川県金沢市）
- Year and Date
  2016-09-16
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法の物性理論への応用2016
- Author(s)
  大久保毅
- Organizer
  ポスト京コンピュータ萌芽的課題1サブ課題D「量子力学と情報」研究会
- Place of Presentation
  東京大学柏の葉キャンパス駅前サテライト（千葉県柏市）
- Year and Date
  2016-10-05
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法による S=1/2 カゴメ格子模型量子スピン模型の磁化プラトー状態の研究2016
- Author(s)
  大久保毅，川島直輝
- Organizer
  第２回CDMSI（ポスト「京」重点課題（７））シンポジウム　～次世代の産業を支える新機能デバイス・高性能材料の創成～
- Place of Presentation
  東京大学物性研究所（千葉県柏市）
- Year and Date
  2016-12-06
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法によるカゴメ格子量子スピン模型の磁化過程の研究2015
- Author(s)
  大久保毅、川島直輝
- Organizer
  日本物理学会２０１５年秋季大会
- Place of Presentation
  関西大学（大阪府吹田市）
- Year and Date
  2015-09-16
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] フラストレーションが生み出す磁性体の新奇秩序2015
- Author(s)
  大久保毅
- Organizer
  ナノ構造・物性-ナノ機能・応用部会合同シンポジウム「若い力が切り拓くナノサイエンス・テクノロジー」
- Place of Presentation
  九州大学西新プラザ（福岡県福岡市）
- Year and Date
  2015-11-27
- Invited
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] Tensor network methods in condensed matter physics2015
- Author(s)
  Tsuyoshi Okubo
- Organizer
  10sor network workshop --- Field 2 x 5 joint workshop on new algorithms for quantum many body problems ---
- Place of Presentation
  東京大学柏の葉キャンパス駅前サテライト（千葉県柏市）
- Year and Date
  2015-05-14
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] フラストレート磁性体におけるトポロジカル励起の秩序化2015
- Author(s)
  大久保毅、川島直輝
- Organizer
  第6回 CMSI 研究会
- Place of Presentation
  東京大学　小柴ホール（東京都文京区）
- Year and Date
  2015-12-07
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法による磁場中カゴメ格子量子スピン模型の研究2015
- Author(s)
  大久保毅、川島直輝
- Organizer
  物性研短期研究会　「スピン系物理の深化と最前線」
- Place of Presentation
  東京大学物性研究所（千葉県柏市）
- Year and Date
  2015-11-18
- Data Source
  KAKENHI-PROJECT-15K17701
[Presentation] テンソルネットワーク法による正方格子J1-J2模型の基底状態相図2015
- Author(s)
  大久保毅、川島直輝
- Organizer
  日本物理学会２０１５年秋季大会
- Place of Presentation
  関西大学（大阪府吹田市）
- Year and Date
  2015-09-17
- Data Source
  KAKENHI-PROJECT-15K17701

1. 三澤貴宏 (10582687)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
2. Yukitoshi Motome (40323274)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
3. 那須譲治 (40610639)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
4. 加藤康之 (50708534)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
5. 品岡寛 (40773023)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 藤堂眞治 (10291337)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
7. 水上渉 (10732969)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 北谷基治 (50871331)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 播木敦 (90875783)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 山地洋平 (00649428)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 森田悟史 (20586903)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 井戸康太 (50827251)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 佐藤卓

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
14. 速水賢

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
15. 橘高俊一郎

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
16. 佐藤正寛

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
17. 大西弘明

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
18. 川島直輝

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Okubo Tsuyoshi 大久保 毅

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Investigating exotic properties of frustrated Magnets through the development of tensor network methodsPrincipal Investigator

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Computational materials science based on quantum-classical hybrid algorithms

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波動関数理論と量子アルゴリズムの融合Principal Investigator

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テンソルネットワーク形式に基づく古典・量子エンタングルアルゴリズムの開発Principal Investigator

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Creation and control of Majorana particles in quantum spin liquids

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Study of finite temperature properties of frustrated spin systems by tensor network approachPrincipal Investigator

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Study on frustrated quantum spin systems by tensor network methodPrincipal Investigator

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[Journal Article] Spin Seebeck Effect as a Probe for Majorana Fermions in Kitaev Spin Liquids2025

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[Journal Article] Embedding of Tree Tensor Networks into Shallow Quantum Circuits2025

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[Journal Article] Quantum phase transition between spin liquid and spin nematics in spin-1 Kitaev honeycomb model2024

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[Journal Article] Hunting for quantum-classical crossover in condensed matter problems2024

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[Journal Article] Possibility of a Topological Phase Transition in Two-dimensional RP3 Model2023

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[Journal Article] 拡張キタエフ模型における熱ホール伝導度のテンソルネットワーク法による研究2022

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[Journal Article] TeNeS: Tensor network solver for quantum lattice systems2022

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Okubo Tsuyoshi 大久保毅