NISHINO TOMOTOSHI 西野友年

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NISHINO Tomotoshi 西野友年

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Researcher Number	00241563
Other IDs
Affiliation (Current)	2025: 神戸大学, 理学研究科, 准教授
Affiliation (based on the past Project Information) *help	2025: 神戸大学, 理学研究科, 准教授 2016 – 2023: 神戸大学, 理学研究科, 准教授 2011 – 2015: 神戸大学, 理学(系)研究科(研究院), 准教授 2010: 神戸大学, 大学院・理学研究科, 准教授 2008: Kobe University, 大学院理学研究科, 准教授 … More 2007 – 2008: Kobe University, 大学院・理学研究科, 准教授 2002 – 2006: Kobe University, Department of Science, Assistant Professor, 理学部, 助教授 1996 – 2001: Department of Physics, Kobe University, 理学部, 講師 1996: 東北大学, 大学院・理学研究科, 助手 1995: 東北大学, 大学院理学系研究所, 助手 1993 – 1995: 東北大学, 理学部, 助手 Less
Review Section/Research Field	Principal Investigator Mathematical physics/Fundamental condensed matter physics / 物性一般(含基礎論) / Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related / Mathematical physics/Fundamental condensed matter physics / 数理物理・物性基礎(理論) / Condensed matter physics II Except Principal Investigator 物性一般(含基礎論) / Mathematical physics/Fundamental condensed matter physics / 素粒子・核・宇宙線
Keywords	Principal Investigator 繰込み群 / 繰り込み群 / エンタングルメント / DMRG / テンソルネットワーク / フラクタル / 相転移 / 密度行列 / Tensor Product / Density Matrix … More / テンソル積 / エントロピー / 臨界指数 / 臨界現象 / くりこみ群 / 特異値分解 / 木構造 / イジングモデル / HOTRG / 非一様 / ランダム系 / Renormalization Group / Variational Method / 変分法 / TPVA / イジング模型 / スケーリング / エネルギースケール / 双曲格子 / ＤＭＲＧ / 正弦２乗変形 / 双曲変形 / 量子エントロピー / 双曲平面 / ポッツ模型 / シミュレーション / 熱力学 / シェルピンスキー / 双曲面 / 磁性 / ボルツマン分布 / ハイゼンベルク模型 / 対称性 / クロック模型 / 縮約 / 枝の組み換え / 確率密度関数 / 波動関数 / 構造最適化 / 木構造ネットワーク / 自動最適化 / 数値解析 / 階層 / ディスエンタングラー / 相互情報量 / 中心電荷 / 多面体模型 / 非一様系 / Real Time / Parallel Computation / Computational Physics / アルゴリズム / 統計力学 / 実時間 / 並列化 / 計算物理 / Stochastic Process / Quantum Spin System / Classical Spin System / Transfer Matrix / 三次元 / 数値計算 / 変分関数 / フラストレーション / 確率過程 / 量子スピン系 / 古典スピン系 / 転送行列 / Potts Model / 3D Lattice / Ising Model / Renormalization / 2次元格子 / Potts模型 / 3次元格子 / 一様性 / 指数変形 / 計算物理学 / エネルキースケール / 格子系 / ＤMＲG / 角転送行列繰り込み群 / テンソルネットワーク形式 / エネルギースケール変形 / 並列計算 / 時間発展 / 最小作用 / 変分計算 / 境界条件 / テンソル積状態 / 有効温度 / 熱浴 / 角転送行列 / 普遍性 / 変成原性 / 格子モデル … More Except Principal Investigator 密度行列繰り込み群 / 基底状態相図 / 2-1-3 / 2-1 / DMRG method / ground-state phase diagram / quantum mixed spin chain / 密度行列繰り込み群法 / 規則混合量子スピン鎖 / density matrix renormalization group / スピンギャップ / 基底状態磁化曲線 / 量子モンテカルロ法 / 有限系の厳密対角化法 / 1次元量子スピン系 / 金属絶縁体転移 / 遷移金属酸化物 / 横磁場イジング模型 / テンソル繰り込み群 / テンソルネットワーク状態 / 射影表現 / エンタングルメント / 並列計算 / 行列積状態 / フラストレート系 / 角転送行列繰り込み群 / 厳密対角化 / 計算物理 / 量子古典対応 / 高次特異値分解 / スケーリング解析 / 量子相転移 / 古典スピン系 / 量子スピン系 / テンソルネットワーク / tensor product variational method / gauge theories / exact renormalization group / 完璧作用 / 繰り込み群 / 磁気異方性 / f電子系 / 密度行列くりこみ群 / カイラル対称性 / 繰り込み / テンソル積変分法 / ゲージ理論 / 厳密繰り込み群 / sigle-ion-type anisotropy / exact diagonalizaiton method / Wigner-Eckart theorem / 2-1 chain / 2-1-1 chain / Spin-1 / 摂動計算 / Lieb-Mattisの定理 / Wiger-Eckartの定理 / 一イオン型異方性エネルギー / 厳密対角化法 / Wigner-Eckartの定理 / 2-1鎖 / 2-1-1鎖 / スピン-1 / quantum monte Carlo method / string correlation function / two-spin correlation function / valence-bond-solid picture / thermodynamic properties / 磁化のプラトー / 4核クラスター / 規則混合系 / ストリング相関関数 / スピン相関関数 / VBS描像 / 熱力学的性質 / 基座状態相図 / ab-initio calculations / quantum Monte Carlo simulation / spin gap / metal-insulator transition / strongly correlated electron system / many-body problem / condensed matter / Car-Parrinello法 / 周期的アンダーソン模型 / 重い電子系 / モット絶縁体 / 多体問題 / 第一原理計算 / 量子モンテカルロ計算 / 強相関電子系 / 凝縮系物理 / スピンパイエルス転移 / 動的構造因子 / ペアリング対称性 / 高温超伝導 / メタ磁性 / グッツヴィラ-関数 / 密度行列くりこみ群法 / 相互作用の競合 / ハルデン系 / 逆光電子放出 / バンドギャップ / 銅酸化物 / 電荷移動型絶縁体 / 光電子放出 / 多重項 / 電荷移動エネルギー / 電子間相互作用 / 配置間相互作用 / 共鳴光電子放出 Less

テンソルネットワーク形式による量子構造の解明Principal Investigator
- Principal Investigator
  
  西野友年
- Project Period (FY)
  2025 – 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
  Kobe University
Numerical analysis of entanglement structure by tensor network formulationsPrincipal Investigator
- Principal Investigator
  
  西野友年
- Project Period (FY)
  2021 – 2024
- 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
  Kobe University
Entanglement Structure Analysis of Non-Uniform Systems by Tensor Network FormulationPrincipal Investigator
- Principal Investigator
  
  Nishino Tomotoshi
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Kobe University
Analysis of Phase Transitions from the view point of EntanglementPrincipal Investigator
- Principal Investigator
  
  西野友年
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Kobe University
Renormalization group analysis of energy-scale deformation by means of tensor-network formulationsPrincipal Investigator
- Principal Investigator
  
  Nishino Tomotoshi
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Kobe University
Optimization of tensor network state using higher order singular value decomposition
- Principal Investigator
  
  Ueda Hiroshi
- Project Period (FY)
  2013 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Institute of Physical and Chemical Research
  Meiji University
古典および量子系の双曲変形Principal Investigator
- Principal Investigator
  
  西野友年
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Research Field
  
  数理物理・物性基礎(理論)
- Research Institution
  Kobe University
Optimization of tensor network states by means of a minimal principle and applications to quantum systemsPrincipal Investigator
- Principal Investigator
  
  NISHINO Tomotoshi
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Kobe University
DMRG and Quantum Heat Bath - Principles and Applications -Principal Investigator
- Principal Investigator
  
  NISHINO Tomotoshi
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Kobe University
New Trend in DMRG - from the Optimization of the Tensor Product DecompositionPrincipal Investigator
- Principal Investigator
  
  NISHINO Tomotoshi
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Kobe University
Wide applications of the renormalization group
- Principal Investigator
  
  SONODA Hidenori
- Project Period (FY)
  2002 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  素粒子・核・宇宙線
- Research Institution
  Kobe University
Analysis of Higher Dimensional Systems by use of the Tensor Product Variational ApproachPrincipal Investigator
- Principal Investigator
  
  NISHINO Tomotoshi
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  物性一般(含基礎論)
- Research Institution
  kobe University
Extension of DMRG by explicit construction of Density MatricesPrincipal Investigator
- Principal Investigator
  
  NISHINO Tomotoshi
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  物性一般(含基礎論)
- Research Institution
  Kobe University
Theoretical study of one-dimensional quantum spin systems in which two kinds of spins with different magnitudes are regularly arranged
- Principal Investigator
  
  TONEGAWA Takashi
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  物性一般(含基礎論)
- Research Institution
  KOBE UNIVERSITY
Theoretical study of one-dimensional quantum spin sustems : q in which two kinds of spins are arranged alternatively
- Principal Investigator
  
  TONEGAWA Takashi
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  物性一般(含基礎論)
- Research Institution
  KOBE UNIVERSITY
非対角型変分関数によるメタ磁性転移の研究
- Principal Investigator
  
  横山寿敏
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tohoku University
密度行列繰り込み群を基にした格子モデルの解析Principal Investigator
- Principal Investigator
  
  西野友年
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  物性一般(含基礎論)
- Research Institution
  Kobe University
1次元量子スピン系における量子基底及び励起状態の理論的研究
- Principal Investigator
  
  TONEGAWA Takashi
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  物性一般(含基礎論)
- Research Institution
  Kobe University
Many-body Problems in Condensed Matter Physics
- Principal Investigator
  
  UEDA Kazuo
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  The University of Tokyo
電子間多重極相互作用を含む有限系に基づく遷移金属酸化物の電子状態理論
- Principal Investigator
  
  城健男
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Hiroshima University
電子間多重極相互作用を含む有限系に基づく遷移金属酸化物の電子状態理論
- Principal Investigator
  
  城健男
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Hiroshima University

[Book] テンソルネットワーク入門2023
- Author(s)
  西野友年
- Total Pages
  192
- Publisher
  講談社
- ISBN
  9784065316535
- Data Source
  KAKENHI-PROJECT-21K03403
[Book] テンソルネットワークの基礎と応用2021
- Author(s)
  西野　友年
- Total Pages
  216
- Publisher
  サイエンス社
- ISBN
  9784781915159
- Data Source
  KAKENHI-PROJECT-21K03403
[Book] 今度こそわかる量子コンピューター2015
- Author(s)
  西野友年
- Total Pages
  200
- Publisher
  講談社
- Data Source
  KAKENHI-PROJECT-25400401
[Book] 今度こそわかる場の理論2012
- Author(s)
  西野友年
- Total Pages
  215
- Publisher
  講談社
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Entanglement bipartitioning and tree tensor networks2023
- Author(s)
  Okunishi Kouichi、Ueda Hiroshi、Nishino Tomotoshi
- Journal Title
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 2023 Issue: 2 Pages: 1-14
- DOI
  10.1093/ptep/ptad018
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K03403, KAKENHI-PLANNED-21H05191, KAKENHI-PROJECT-23K22442
[Journal Article] Automatic structural optimization of tree tensor networks2023
- Author(s)
  Hikihara Toshiya、Ueda Hiroshi、Okunishi Kouichi、Harada Kenji、Nishino Tomotoshi
- Journal Title
  
  Physical Review Research
  
  Volume: 5 Issue: 1 Pages: 013031-013031
- DOI
  10.1103/physrevresearch.5.013031
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03766, KAKENHI-PROJECT-21K03403, KAKENHI-PLANNED-21H05191, KAKENHI-PROJECT-19K03664, KAKENHI-PROJECT-23K22442, KAKENHI-PROJECT-21H04446
[Journal Article] Density matrix renormalization group, 30 years on2023
- Author(s)
  Verstraete Frank、Nishino Tomotoshi、Schollw?ck Ulrich、Ba?uls Mari Carmen、Chan Garnet K.、Stoudenmire Miles E.
- Journal Title
  
  Nature Reviews Physics
  
  Volume: 5 Issue: 5 Pages: 273-276
- DOI
  10.1038/s42254-023-00572-5
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03403
[Journal Article] Developments in the Tensor Network ? from Statistical Mechanics to Quantum Entanglement2022
- Author(s)
  Okunishi Kouichi、Nishino Tomotoshi、Ueda Hiroshi
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 91 Issue: 6 Pages: 1-34
- DOI
  10.7566/jpsj.91.062001
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14359, KAKENHI-PROJECT-21K03403, KAKENHI-PLANNED-21H05191, KAKENHI-PROJECT-21H04446
[Journal Article] Energy Scale Deformation on Regular Polyhedra2022
- Author(s)
  Takuya Eguchi, Satoshi Oga, Hosho Katsura, Andrej Gendiar, and Tomotoshi Nishino
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 91 Issue: 3 Pages: 34001-34001
- DOI
  10.7566/jpsj.91.034001
- NAID
  210000159610
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-20H04630, KAKENHI-PLANNED-21H05191, KAKENHI-PROJECT-18K03445, KAKENHI-PROJECT-21K03403
[Journal Article] Finite-m scaling analysis of Berezinskii-Kosterlitz-Thouless phase transitions and entanglement spectrum for the six-state clock model2020
- Author(s)
  Ueda Hiroshi、Okunishi Kouichi、Harada Kenji、Krcmar Roman、Gendiar Andrej、Yunoki Seiji、Nishino Tomotoshi
- Journal Title
  
  Physical Review E
  
  Volume: 101 Issue: 6 Pages: 062111-062111
- DOI
  10.1103/physreve.101.062111
- NAID
  120006865707
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14359, KAKENHI-PROJECT-17H02931, KAKENHI-PROJECT-17K05578
[Journal Article] Entanglement-entropy study of phase transitions in six-state clock model2020
- Author(s)
  Roman Crcmar, Andrej Gendiar, Tomotoshi Nishino
- Journal Title
  
  Acta Physica Polonica A
  
  Volume: 137 Pages: 1-4
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05578
[Journal Article] Entanglement Entropy on the Boundary of the Square-Lattice ±J Ising Model2020
- Author(s)
  Sasagawa Yoshinori、Ueda Hiroshi、Genzor Jozef、Gendiar Andrej、Nishino Tomotoshi
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 89 Issue: 11 Pages: 114005-114005
- DOI
  10.7566/jpsj.89.114005
- NAID
  120006919995
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14359, KAKENHI-PROJECT-17K05578
[Journal Article] Corner transfer matrix renormalization group analysis of the two-dimensional dodecahedron model2020
- Author(s)
  Ueda Hiroshi、Okunishi Kouichi、Yunoki Seiji、Nishino Tomotoshi
- Journal Title
  
  Physical Review E
  
  Volume: 102 Issue: 3 Pages: 032130-032130
- DOI
  10.1103/physreve.102.032130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14359, KAKENHI-PROJECT-17H02931, KAKENHI-PROJECT-17K05578
[Journal Article] Tensor-network study of a quantum phase transition on the Sierpi?ski fractal2018
- Author(s)
  Krcmar Roman、Genzor Jozef、Lee Yoju、?en?arikov? Hana、Nishino Tomotoshi、Gendiar Andrej
- Journal Title
  
  Physical Review E
  
  Volume: 98 Issue: 6 Pages: 1-8
- DOI
  10.1103/physreve.98.062114
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05578, KAKENHI-PROJECT-17F17750
[Journal Article] Critical behavior of the two-dimensional icosahedron model2017
- Author(s)
  Ueda Hiroshi、Okunishi Kouichi、Krcmar Roman、Gendiar Andrej、Yunoki Seiji、Nishino Tomotoshi
- Journal Title
  
  Physical Review E
  
  Volume: 96 Issue: 6 Pages: 1-5
- DOI
  10.1103/physreve.96.062112
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05578, KAKENHI-PROJECT-17K14359, KAKENHI-PROJECT-17H02931, KAKENHI-PROJECT-26400387, KAKENHI-PROJECT-25800221
[Journal Article] Phase diagram of truncated tetrahedral model2016
- Author(s)
  R. Krcmar, A. Gendiar, and T. Nishino
- Journal Title
  
  Physical Review E
  
  Volume: 94 Issue: 2
- DOI
  10.1103/physreve.94.022134
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400401
[Journal Article] Phase Transition of the Ising Model on a Fractal Lattice2016
- Author(s)
  J. Genzor, A. Gendiar, T. Nishino
- Journal Title
  
  Phys. Rev. E
  
  Volume: 93 Issue: 1 Pages: 1-5
- DOI
  10.1103/physreve.93.012141
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400401
[Journal Article] Time Evolution within a Comoving Window2015
- Author(s)
  V. Zauner, M. Ganahl, H.G. Evertz, T. Nishino
- Journal Title
  
  Journal of Physics: Condensed Matter
  
  Volume: 27 Issue: 42 Pages: 1-21
- DOI
  10.1088/0953-8984/27/42/425602
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400401
[Journal Article] Mean-field universality class induced by weak hyperbolic curvatures2014
- Author(s)
  Andrej Gendiar, Michal Daniska, Roman Krcmar, and Tomotoshi Nishino
- Journal Title
  
  Physical Review E
  
  Volume: 90 Issue: 1 Pages: 1-7
- DOI
  10.1103/physreve.90.012122
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-12F02815, KAKENHI-PROJECT-25400401
[Journal Article] Doubling of Entanglement Spectrum in Tensor Renormalization Group2014
- Author(s)
  H. Ueda, K. Okunishi, T. Nishino
- Journal Title
  
  Phys. Rev. B
  
  Volume: 89
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Doubling of Entanglement Spectrum in Tenor Renormalization Group2014
- Author(s)
  Hiroshi Ueda, Kouichi okunishi, Tomotoshi Nishino
- Journal Title
  
  Phys. Rev. B
  
  Volume: 89 Issue: 7 Pages: 1-10
- DOI
  10.1103/physrevb.89.075116
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388, KAKENHI-PROJECT-23340109, KAKENHI-PROJECT-23540442, KAKENHI-PROJECT-25400401, KAKENHI-PROJECT-25800221
[Journal Article] エネルギー・スケール変調による量子系の境界条件・トポロジーの制御2012
- Author(s)
  引原俊哉,桂法称,丸山勲,西野友年
- Journal Title
  
  日本物理学会誌
  
  Volume: 67, No.6
- NAID
  10030864389
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Weak correlation effects in the Ising model on triangular-tiled hyperbolic lattices2012
- Author(s)
  Gendiar, R. Krcmar, S. Andergassen, M. Daniska, T. Nishino
- Journal Title
  
  Phys. Rev. E
  
  Volume: 86
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Connecting distant ends of one-dimensional critical system by sin-square deformation2011
- Author(s)
  T. Hikihara, T. Nishino
- Journal Title
  
  Phys. Rev. E
  
  Volume: 83
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Hyperbolic Deformation Applied to S=1 Spin Chains; Scaling Relation in Excitation Energy2011
- Author(s)
  H. Ueda, H. Nakano, K. Kusakabe, T. Nishino
- Journal Title
  
  J. Phys. Soc. Jpn.
  
  Volume: 80
- NAID
  210000109184
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Suppression of finite-size effects in one-dimensional quantum systems2011
- Author(s)
  A. Gendiar, M. Daniska, Y. Lee, T. Nishino
- Journal Title
  
  Phys. Rev. A
  
  Volume: 83
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Scaling Relation for Excitation Energy Under Hyperbolic Deformation2010
- Author(s)
  H. Ueda, H. Nakano, K. Kusakabe, T. Nishino
- Journal Title
  
  Prog. Theor. Phys.
  
  Volume: 124 Pages: 389-398
- NAID
  110007730003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Phase Transition of the Ising model on a Hyperblic Lattice2010
- Author(s)
  T. Iharagi, A. Gendiar, H. Ueda, T. Nishino
- Journal Title
  
  J. Phys. Soc. Jpn.
  
  Volume: 79
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540388
[Journal Article] Two-Site Shift Product Wave Function Renormalization Group Method Applied to Quantum Systems2008
- Author(s)
  Hiroshi Ueda, Tomotoshi Nishino, and Koichi Kusakabe
- Journal Title
  
  J. Phys. Soc. Jpn 77
- NAID
  110006983738
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540403
[Journal Article] Hyperbolic Deformation on Quantum Lattice Hamiltonians2008
- Author(s)
  Hiroshi Ueda and Tomtoshi Nishino
- Journal Title
  
  J. Phys. Soc. Jpn 78
- NAID
  110007042108
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540403
[Journal Article] Phase Transition of Clock Models on Hyperbolic Lattice Studied by Coner Transfer Matrix Renormalization Group Method2008
- Author(s)
  Andrej Gendiar, Roman Krcmar, Kouji Ueda, and Tomotoshi Nishino
- Journal Title
  
  Phys. Rev. E 77
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540403
[Journal Article] Ising Model on Hyperbolic Lattice Studied by Corner Transfer Matrix Renormalization Group Method2008
- Author(s)
  Roman Krcmar, Andrej Gendiar, Kouji Ueda, and Tomotoshi Nishino
- Journal Title
  
  J. Phys. A: Math. Theor 41
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540403
[Journal Article] Tricritical Point of J1-J2 Ising Model on Hyperbolic Lattice2008
- Author(s)
  Roman Krcmar, Takaaki Iharagi, Andrej Gendiar, and Tomotoshi Nishino
- Journal Title
  
  Phys. Rev. E 78
- NAID
  120002559996
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540403
[Journal Article] Corner Transfer Matrix Renormalization Group Method Applied to the Ising Model on the Hyperbolic Plane2007
- Author(s)
  Kouji Ueda, Roman Krcmar, Andrej Gendiar, and Tomotoshi Nishino
- Journal Title
  
  J. Phys. Soc. Jpn 76
- NAID
  110006366844
- Data Source
  KAKENHI-PROJECT-19540403
[Journal Article] Product Wave Function Renormalization Group : construction from the matrix product point of view2006
- Author(s)
  K.Ueda, T.Nishino, K.Okunishi, Y.Hieida, R.Derian, A.Gendiar
- Journal Title
  
  J.Phys.Soc.Jpn. 75
  
  Pages: 14003-14003
- NAID
  110003482826
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Product wave function renormalization group : construction from the matrix product point of view,2006
- Author(s)
  K.Ueda, T.Nishino, K.Okunishi, Y.Hieida, R.Derian, A.Gendiar
- Journal Title
  
  J. Phys. So. Jpn. 75
  
  Pages: 14003-14003
- NAID
  110003482826
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Product wave function renormalization group : construction from the matrix product point of view2006
- Author(s)
  K.Ueda, T.Nishino., K.Okunishi, Y.Hieida, R.Derian, A.Gendiar
- Journal Title
  
  J. Phys. Soc. Jpn. 75
  
  Pages: 14003-14003
- NAID
  110003482826
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Phase Diagram of the 3D ANNNI Model2005
- Author(s)
  A.Gendiar, T.Nishino
- Journal Title
  
  Physical Review B71
  
  Pages: 24404-24404
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Phase diagram of the 3D ANNNI model2005
- Author(s)
  A.Gendiar, T.Nishino
- Journal Title
  
  Phys. Rev. B 71
  
  Pages: 24404-24404
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Estimation of magnetic critical exponent by tensor product variational approach,2005
- Author(s)
  A.Gendiar, T.Nishino, R.Derian
- Journal Title
  
  Acta Physica Slovaca 55
  
  Pages: 141-141
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Estimation of the magnetic critical exponent by tensor product variational approach2005
- Author(s)
  A.Gendiar, T.Nishino, R.Derian
- Journal Title
  
  Acta Physica Slovaca 55
  
  Pages: 141-141
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Snapshot observation for 2D classcial lattice models by CTMRG2005
- Author(s)
  K.Ueda, R.Otani, Y.Nishio, A.Gendiar, T.Nishino
- Journal Title
  
  J. Phys. Soc. Jpn. supplement 74
  
  Pages: 111-114
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Snapshot observation for 2D classical lattice models by CTMRG,2005
- Author(s)
  K.Ueda, R.Otani, Y.Nishio, A.Gendiar, T.Nishino
- Journal Title
  
  J. Phys. Soc. Jpn. 74 supplement
  
  Pages: 111-114
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Phase diagram of the 3D ANNNI model,2005
- Author(s)
  A.Gendiar, T.Nishino
- Journal Title
  
  Phys. Rev. B71
  
  Pages: 24404-24404
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] 密度行列繰り込み群といくつかの変分原理2004
- Author(s)
  西野友年
- Journal Title
  
  数理解析研究所講究録 1386
  
  Pages: 117-117
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Density matrix renormalization group and variational principles, (in Japanese)2004
- Author(s)
  T.Nishino
- Journal Title
  
  RIMS colloquia vol. 1386
  
  Pages: 117-117
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] 密度行列繰り込み群と幾つかの変分原理2004
- Author(s)
  西野友年
- Journal Title
  
  数理解析研究所講究録 1386
  
  Pages: 117-117
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Stable optimization of tensor product variational functions,2003
- Author(s)
  A.Gendiar, T.Nishino
- Journal Title
  
  Prog. Theor. Phys. 110
  
  Pages: 6901-6901
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Stochastic light-cone CTMRG : a new DMRG approach to stochastic models2003
- Author(s)
  A.Kemper, A.Gendiar, T.Nishino
- Journal Title
  
  J. Phys. A : Math. Gen. 36
  
  Pages: 29-29
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Stable optimization of tensor product variational functions2003
- Author(s)
  A.Gendiar, T.Nishino
- Journal Title
  
  Prog. Theo. Phys. 110
  
  Pages: 6901-6901
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Latent heat observation of the q=3,4, and 5 Potts models by tensor product variational approach2002
- Author(s)
  A.Gendiar, T.Nishino
- Journal Title
  
  Phys. Rev. E65
  
  Pages: 46702-46702
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Latent heat observation of the q=3,4, and 5 Potts models by tensor product variational approach,2002
- Author(s)
  A.Gendiar, T.Nishino
- Journal Title
  
  Phys. Rev. E65
  
  Pages: 46702-46702
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Estimation of the Magnetic Critical Exponent by Tensor Product Variational Approach
- Author(s)
  A.Gendiar, T.Nishino, R.Derian
- Journal Title
  
  Acta Physica Slovaca (accepted for publication)(未定)
- Data Source
  KAKENHI-PROJECT-14340077
[Journal Article] Snapshot Observation for 2D Classical Lattice Models by CTMRG
- Author(s)
  K.Ueda, R.Otani, Y.Nishino, A.Gendiar, T.Nishino
- Journal Title
  
  JPSJ supplement (accepted for publication)(未定)
- Data Source
  KAKENHI-PROJECT-14340077
[Presentation] Bipartite Entanglement Entropy を再現するペア分布行列を用いた量子スピン系の基底状態解析 I2023
- Author(s)
  西野友年
- Organizer
  日本物理学会2023年春季大会
- Data Source
  KAKENHI-PROJECT-21K03403
[Presentation] Tree Tensor Network: 標準形・枝の組み替え・その影響2022
- Author(s)
  西野友年
- Organizer
  日本物理学会2022年秋季大会
- Data Source
  KAKENHI-PROJECT-21K03403
[Presentation] 格子上でのエネルギースケール変形2022
- Author(s)
  西野友年
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-21K03403
[Presentation] ☆フェルミ系☆のエネルギー変形あれこれと境界効果の↓抑制↓2021
- Author(s)
  西野友年
- Organizer
  日本物理学会第７６回年次大会
- Data Source
  KAKENHI-PROJECT-17K05578
[Presentation] 多面体上のハイゼンベルグ模型は雪道にニブいかもよ？2021
- Author(s)
  西野友年
- Organizer
  日本物理学会2021年秋季大会
- Data Source
  KAKENHI-PROJECT-21K03403
[Presentation] 1次か2次かの examination 目標は octahedron model2020
- Author(s)
  西野友年
- Organizer
  日本物理学会２０２０年秋季大会
- Data Source
  KAKENHI-PROJECT-17K05578
[Presentation] Tree Tensor Network を用いた量子系の最適表現 I2020
- Author(s)
  橋本豊、西野友年
- Organizer
  日本物理学会第７５回年次大会
- Data Source
  KAKENHI-PROJECT-17K05578
[Presentation] Tree Tensor Network を用いた量子系の最適表現 II2020
- Author(s)
  西野友年、橋本豊
- Organizer
  日本物理学会第７５回年次大会
- Data Source
  KAKENHI-PROJECT-17K05578
[Presentation] フラクタル格子上のイジング模型2019
- Author(s)
  西野友年
- Organizer
  日本物理学会分科会
- Data Source
  KAKENHI-PROJECT-17K05578
[Presentation] 謝爾賓斯基 (Sierpinski) 三角形上の横磁場イジングを HOTRG で調べてみた2019
- Author(s)
  西野友年
- Organizer
  日本物理学会第74回年次大会
- Data Source
  KAKENHI-PROJECT-17F17750
[Presentation] 謝爾賓斯基 (Sierpinski) 三角形上の横磁場イジングを HOTRG で調べてみた2019
- Author(s)
  西野友年
- Organizer
  日本物理学会第74回年次大会
- Data Source
  KAKENHI-PROJECT-17K05578
[Presentation] Tree Tensor Network を用いた量子系の最適表現 I2019
- Author(s)
  西野友年
- Organizer
  日本物理学会年会
- Data Source
  KAKENHI-PROJECT-17K05578
[Presentation] シェルピンスキーのホットカーペットにイジング乗せてみた2018
- Author(s)
  西野友年
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-17F17750
[Presentation] シェルピンスキーのホットカーペットにイジング乗せてみた2018
- Author(s)
  西野友年
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-17K05578
[Presentation] 離散化された古典ハイゼンベルグ模型に現れる相転移2017
- Author(s)
  上田宏, 奥西巧一, Roman Krcmar, Andrej Gendiar, 柚木清司, 西野友年
- Organizer
  日本物理学会２０１７年秋季大会
- Data Source
  KAKENHI-PROJECT-25800221
[Presentation] ６状態クロック模型の BKT 転移をエンタングルメントから眺めてみれば、あまのかぐやま2017
- Author(s)
  西野友年
- Organizer
  日本物理学会
- Place of Presentation
  大阪大学
- Year and Date
  2017-03-17
- Data Source
  KAKENHI-PROJECT-25400401
[Presentation] 正方格子イジング模型に空いた穴の周りのエンタングルメント2016
- Author(s)
  西野友年
- Organizer
  日本物理学会
- Place of Presentation
  金沢大学
- Year and Date
  2016-09-14
- Data Source
  KAKENHI-PROJECT-25400401
[Presentation] Higher Order Tensor Renormalization Group によるフラクタル Ising 模型の相転移解析2016
- Author(s)
  西野友年
- Organizer
  日本物理学会
- 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-25400401
[Presentation] 私は Vertex、あなたは IRF、テンソルネットワークも好き好き。2015
- Author(s)
  西野友年
- Organizer
  日本物理学会
- Place of Presentation
  早稲田大学
- Year and Date
  2015-03-21
- Data Source
  KAKENHI-PROJECT-25400401
[Presentation] 私は vertex、あなたは IRF、テンソルネットワークも好き好き。2015
- Author(s)
  西野友年
- Organizer
  日本物理学会
- Place of Presentation
  早稲田大学
- Year and Date
  2015-03-21
- Data Source
  KAKENHI-PROJECT-12F02815
[Presentation] What should be Approximated in RG schemes applied to Statistical Models?2013
- Author(s)
  T. Nishino
- Organizer
  Tensor Network Algorithms in Computations Physics and Numerical Analyses
- Place of Presentation
  ETH Zurich, Switzerland
- Year and Date
  2013-05-17
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] The most distant sites are neighbors under the sine square deformation2013
- Author(s)
  T. Nishino
- Organizer
  Workshop on Numerical Many Body Methods in Quantum Chemistry and Physics
- Place of Presentation
  Bangalore, India
- Year and Date
  2013-12-04
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] Entanglement Spectrum in the Tensor Renormalization Group2013
- Author(s)
  T. Nishino
- Organizer
  PQMBE2013
- Place of Presentation
  Maintz, Germany
- Year and Date
  2013-09-25
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] Non-Uniform Deformation Applied to 1D Quantum Systems2012
- Author(s)
  T. Nishino
- Organizer
  Networking Tensor Networks
- Place of Presentation
  Benasque, Spain.
- Year and Date
  2012-05-07
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] DMRG applied to Transfer Matrix Formalisms2012
- Author(s)
  T. Nishino
- Organizer
  DMRG101
- Place of Presentation
  台湾大学,台湾
- Year and Date
  2012-12-09
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] Entanglement Entropy Under non-Uniform Deformation2012
- Author(s)
  T. Nishino
- Organizer
  Workshop QISM2012
- Place of Presentation
  Innsbruck, Austria
- Year and Date
  2012-09-22
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] Hubbard Modelに正弦変形かけてみちゃったの2012
- Author(s)
  西野友年, Andrej Gendiar
- Organizer
  日本物理学会
- Place of Presentation
  関西学院大学
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] エンタングルメントで解決できるもの、できないもの2011
- Author(s)
  西野友年
- Organizer
  研究会・量子系のエンタングルメントとくりこみ群
- Place of Presentation
  基礎物理学研究所
- Year and Date
  2011-12-14
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] 双曲のイジングモデル相転移けふも調べて熱力語る2011
- Author(s)
  西野友年
- Organizer
  日本物理学会
- Place of Presentation
  新潟大学(新潟県)
- Year and Date
  2011-03-25
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] Ising Model on Hyperbolic Lattices2011
- Author(s)
  T. Nishino
- Organizer
  UCM Summer School
- Place of Presentation
  El Escorial, Spain
- Year and Date
  2011-07-15
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] 双曲のイジングモデル相転移けふも調べて熱力語る2011
- Author(s)
  西野友年, Andrej Gendiar
- Organizer
  日本物理学会
- Place of Presentation
  新潟大学
- Year and Date
  2011-03-25
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] Absence of Boundary Effect under Sine-Square Deformation2011
- Author(s)
  T. Nishino
- Organizer
  Workshop QISM2011
- Place of Presentation
  A Coluna, Spain
- Year and Date
  2011-07-23
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] An Origin of Matrix Product States in Statistical Mechanics2010
- Author(s)
  T. Nishino
- Organizer
  Workshop on DMRG and other advances in numerical RG methods
- Place of Presentation
  中国人民大学
- Year and Date
  2010-08-26
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] Phase Transition on Hyperbolic Lattice Analized by CTMRG2010
- Author(s)
  T. Iharagi, H. Ueda, T. Nishino
- Organizer
  STATPHYS24
- Place of Presentation
  Cairns Convention Center, Australia
- Year and Date
  2010-07-20
- Data Source
  KAKENHI-PROJECT-22540388
[Presentation] 双曲平面上で角転送行列繰込みやってみよか2008
- Author(s)
  西野友年
- Organizer
  日本物理学会
- Place of Presentation
  鹿児島大学
- Year and Date
  2008-03-19
- Data Source
  KAKENHI-PROJECT-19540403
[Presentation] 双曲平面上で角転送行列繰込み群やってみよか2008
- Author(s)
  西野友年
- Organizer
  日本物理学会
- Place of Presentation
  近畿大学
- Year and Date
  2008-03-23
- Data Source
  KAKENHI-PROJECT-19540403
[Presentation] Guiding Principle of Tensor Renormalization Group with Tensor Decomposition Method
- Author(s)
  Hiroshi Ueda, Kouichi Okunishi, and Tomotoshi Nishino
- Organizer
  25th IUPAP International Conference on Statistical Physics
- Place of Presentation
  Seoul, Korea
- Data Source
  KAKENHI-PROJECT-25800221

1. TONEGAWA Takashi (80028167)

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2. KUBOKI Kazuhiro (50231296)

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3. KABURAGI Makoto (40093504)

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4. Krcmar Roman

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5. MIYASHITA Seiji (10143372)

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6. 城健男 (20093487)

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7. ANDREJ Gendiar

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8. UEDA Kazuo (70114395)

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9. KONTANI Hiroshi (90272533)

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19. Ueda Hiroshi (40632758)

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# of Collaborated Products: 6 results
20. OKUNISHI Kouichi (30332646)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
21. Maruyama Isao (20422339)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 田中新 (70253052)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 横山寿敏 (60212304)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 斯波弘行 (30028196)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. CAR Robert

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. ROMAN Krcmar

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. Gendiar Andrej

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
28. CAR Rovert

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. GENZOR JOZEF

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. 原田健自

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
31. 桂法称

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

NISHINO TOMOTOSHI 西野 友年

NISHINO Tomotoshi 西野 友年

Research Projects

Research Products

Co-Researchers

テンソルネットワーク形式による量子構造の解明Principal Investigator

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Numerical analysis of entanglement structure by tensor network formulationsPrincipal Investigator

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Entanglement Structure Analysis of Non-Uniform Systems by Tensor Network FormulationPrincipal Investigator

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Analysis of Phase Transitions from the view point of EntanglementPrincipal Investigator

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Renormalization group analysis of energy-scale deformation by means of tensor-network formulationsPrincipal Investigator

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古典および量子系の双曲変形Principal Investigator

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Optimization of tensor network states by means of a minimal principle and applications to quantum systemsPrincipal Investigator

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DMRG and Quantum Heat Bath - Principles and Applications -Principal Investigator

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New Trend in DMRG - from the Optimization of the Tensor Product DecompositionPrincipal Investigator

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Analysis of Higher Dimensional Systems by use of the Tensor Product Variational ApproachPrincipal Investigator

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Extension of DMRG by explicit construction of Density MatricesPrincipal Investigator

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NISHINO TOMOTOSHI 西野友年

NISHINO Tomotoshi 西野友年