Okumura Masahiko 奥村雅彦

… Alternative Names

OKUMURA Masahiko 奥村雅彦

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Researcher Number	20386600
Other IDs	https://orcid.org/0000-0001-7709-0241
Affiliation (Current)	2024: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 研究主幹
Affiliation (based on the past Project Information) *help	2019 – 2024: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 研究主幹 2016 – 2018: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 研究副主幹 2008: 日本原子力研究開発機構, システム科学計算センター, 特定課題推進員 2007: Japan Atomic Energy Agency, システム計算科学センター, 特定課題推進員 2007: 独立行政法人日本原子力研究開発機構, 特定課題推進員 2005 – 2006: 早稲田大学, 理工学術院, 助手
Review Section/Research Field	Principal Investigator Transformative Research Areas, Section (II) / Science and Engineering / Basic Section 34030:Green sustainable chemistry and environmental chemistry-related / Mathematical physics/Fundamental condensed matter physics Except Principal Investigator Basic Section 38010:Plant nutrition and soil science-related / Earth system and resources engineering / Science and Engineering / Mathematical physics/Fundamental condensed matter physics
Keywords	Principal Investigator 分子動力学 / 粘土鉱物 / 分子動力学法 / 機械学習 / 星間塵 / アモルファス / 氷 / 第一原理計算 / キンク構造 / 界面 … More / 水 / 原子間力顕微鏡 / 固液界面 / 珪酸塩鉱物 / 非平衡・非線形物理学 / 数理物理 / 物性基礎論 / 場の量子論 … More Except Principal Investigator ボース・アインシュタイン凝縮 / 物性基礎論 / X線回折分析 / EXAFS解析 / STXM / 密度汎関数法 / 放射性セシウム / 元素置換 / フレイドエッジサイト / 吸着選択性 / XRD / TEM / XAFS / 分子シミュレーション / 元素組換え雲母 / 再生利用 / 減容化 / 除染 / 熱処理 / セシウム / 汚染土壌 / Inequivalent Vacua / Quantum Field Theory in Finite Space / Bose-Einstein Condensation / Entanglement Distillation / Zeno-like Measurements / Quantum Computer of Kane's model / Quantum-Classical Correspondence / Stochastic State Diffusion / メゾスコピック系 / 散逸系カオス / 重イオン衝突 / 量子コヒーレンス / 量子Zeno効果 / HBT効果 / 高エネルギー重イオン衝突 / ポース・アインシュタイン凝縮 / 短時間スケーリング則 / 確率過程量子化法 / 量子開放系 / 量子コンピュータ / エンタングルメント / 量子ゼノン効果 / 量子力学基礎論 / 素粒子論 / 非同値真空 / 有限空間系の場の量子論 / Bose-Einstein凝縮 / エンタングルメント抽出 / ゼノン型観測による状態純化 / 半導体量子コンピュータ / 量子・古典対応 / 確率状態拡散法 / 数理物理 / ボーズ・アインシュタイン凝縮 / 数理物性 / 場の量子論 Less

Creation and validation of an interstellar dust surface model by machine-learning molecular dynamicsPrincipal Investigator
- Principal Investigator
  
  奥村雅彦
- Project Period (FY)
  2023 – 2024
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Japan Atomic Energy Agency
Application of Rb-K substituted biotite to distinguish K supplying power from Cs retention ability on soil-to-plant transfer of radiocesium
- Principal Investigator
  
  中尾淳
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 38010:Plant nutrition and soil science-related
- Research Institution
  Kyoto Prefectural University
Studies on kink structures of phyllo silicates at the atomic scalePrincipal Investigator
- Principal Investigator
  
  奥村雅彦
- Project Period (FY)
  2019 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Japan Atomic Energy Agency
Studies of clay minerals-water interface by machine learning molecular dynamics simulations and experimentsPrincipal Investigator
- Principal Investigator
  
  Okumura Masahiko
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 34030:Green sustainable chemistry and environmental chemistry-related
- Research Institution
  Japan Atomic Energy Agency
Development of cesium-free mineralization for volume reduction and reuse of radioactive contaminated soil in Fukushima
- Principal Investigator
  
  Shimoyama Iwao
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Earth system and resources engineering
- Research Institution
  Japan Atomic Energy Agency
Formulation of Bose-Einstein condensation of neutral atoms based on thermal field theory
- Principal Investigator
  
  YAMANAKA Yoshiya
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Waseda University
熱場の理論による補足ポテンシャル中の中性原子気体の非平衡状態の研究Principal Investigator
- Principal Investigator
  
  奥村雅彦
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Japan Atomic Energy Agency
  Waseda University
Research on Quantum Field Theory for Finite Space-Time Systems and Dynamics of Quantum Systems
- Principal Investigator
  
  OHBA Ichiro
- Project Period (FY)
  2001 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Waseda University

All 2022 2021 2020 2018 2017 2016 2009 2008 2007 2006 2005 2004 2003 Other

All Journal Article Presentation

[Journal Article] Machine learning potentials of kaolinite based on the potential energy surfaces of GGA and meta-GGA density functional theory2022
- Author(s)
  Kobayashi Keita、Yamaguchi Akiko、Okumura Masahiko
- Journal Title
  
  Applied Clay Science
  
  Volume: 228 Pages: 106596-106596
- DOI
  10.1016/j.clay.2022.106596
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H02090
[Journal Article] Computational science studies on radiocesium adsorption on clay minerals2021
- Author(s)
  奥村雅彦
- Journal Title
  
  Chikyukagaku
  
  Volume: 55 Issue: 4 Pages: 110-121
- DOI
  10.14934/chikyukagaku.55.110
- NAID
  130008134779
- ISSN
  0386-4073, 2188-5923
- Year and Date
  2021-12-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K05208
[Journal Article] Machine learning potentials for tobermorite minerals2021
- Author(s)
  Kobayashi Keita、Nakamura Hiroki、Yamaguchi Akiko、Itakura Mitsuhiro、Machida Masahiko、Okumura Masahiko
- Journal Title
  
  Computational Materials Science
  
  Volume: 188 Pages: 110173-110173
- DOI
  10.1016/j.commatsci.2020.110173
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K05208, KAKENHI-PROJECT-19K23432
[Journal Article] Self-learning Monte Carlo method with Behler-Parrinello neural networks2020
- Author(s)
  Nagai Yuki、Okumura Masahiko、Tanaka Akinori
- Journal Title
  
  Physical Review B
  
  Volume: 101 Issue: 11 Pages: 115111-115111
- DOI
  10.1103/physrevb.101.115111
- NAID
  130008147942
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03552, KAKENHI-PROJECT-18K05208, KAKENHI-PROJECT-18K13548
[Journal Article] Self-learning hybrid Monte Carlo: A first-principles approach2020
- Author(s)
  Nagai Yuki、Okumura Masahiko、Kobayashi Keita、Shiga Motoyuki
- Journal Title
  
  Physical Review B
  
  Volume: 102 Issue: 4
- DOI
  10.1103/physrevb.102.041124
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03552, KAKENHI-PROJECT-18K05208, KAKENHI-PLANNED-18H05519, KAKENHI-PROJECT-18H01693
[Journal Article] Nonequilibrium TFD for systems of trapped cold atoms2009
- Author(s)
  山中由也, 奥村雅彦, 峰真如, 須永知夏, 中村祐介
- Journal Title
  
  素粒子論研究 116
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Nonequilibrium TFD for systems of trapped cold atoms2009
- Author(s)
  山中由也, 奥村雅彦, 峰真如, 須永知夏, 中村祐介
- Journal Title
  
  素粒子論研究 116
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Quantum Field Theoretical Analysis on Unstable Behavior of Bose-Einstein Condensates in Optical Lattices2008
- Author(s)
  Keita Kobayashi, Makoto Mine, Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  Annals of Physics 323
  
  Pages: 1247-1270
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Quantum field theoretical analysis on unstable behavior of Bose-Einstein condensates in optical lattic es2008
- Author(s)
  K. Kobayashi, M. Mine, M. Okumura, Y. Yamanaka
- Journal Title
  
  Ann. Phys. 323
  
  Pages: 1247-1270
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Condition for Emergence of Complex Eigenvalues in the Bogoliubov-de Gennes Equations2008
- Author(s)
  Y. Nakamura, M. Mine, M. Okumura, and Y. Yamanaka
- Journal Title
  
  Physical Review A 77
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Condition for Emergence of Complex Eigenvalues in the Bogoliubov-de Gennes Equations2008
- Author(s)
  Yusuke Nakamura, Makoto Mine, Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  Physical Review A 77
  
  Pages: 43601-43601
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Quantum field theoretical analysis on unstable behavior of Bose-Einstein condenstates in optical lattices2008
- Author(s)
  K. Kobayashi, M. Mine, M. Okumura, and Y. Yamanaka
- Journal Title
  
  Annals of Physics 323
  
  Pages: 12471270-12471270
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Condition for Emergence of Complex Eigenvalues in the Bogoliubov-de Gennes Equations2008
- Author(s)
  Y. Nakamura, M. Mine, M. Okumura, Y. Yamanaka
- Journal Title
  
  Phys. Rev. A 77
  
  Pages: 43601-16
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] The Condition for Existence of Complex Modes in Trapped Bose-Einstein Condensate with a Highly Quantized Vortex2007
- Author(s)
  T.Sunaga, E.Fukuyama, M.Mine, M.Okumura and Y.Yamanaka
- Journal Title
  
  J.Low Temp.Phys. 148
  
  Pages: 381-386
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Quantum field theoretical description of unstable behavior of trapped Bose-Einstein condensates with complex eigenvalues of Bogoliubov-de Gennes equations2007
- Author(s)
  M.Mine, M.Okumura, T.Sunaga, and Y.Yamanaka
- Journal Title
  
  Ann.Phys. 322
  
  Pages: 2327-2349
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Quantum field theoretical description of unstable behavior of trapped Bose-Einstein condensates with complex eigenvalues of Bogoliubov-de Gennes equations2007
- Author(s)
  M. Mine, M. Okumura, T. Sunaga, and Y. Yamanaka
- Journal Title
  
  Annals of Physics 322
  
  Pages: 23272349-23272349
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Quantum Field Theoretical Description of Dynamical Instability of Trapped Bose-Einstein Condensates2007
- Author(s)
  M. Mine, M. Okumura, T. Sunaga, and Y. Yamanaka
- Journal Title
  
  Journal of Low Temperature Physics 148
  
  Pages: 331336-331336
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] The Condition for Existence of Complex Modes in Trapped Bose-Einstein Condensate with a Highly Quantized Vortex2007
- Author(s)
  T. Sunaga, E. Fukuyama, M. Mine, M. Okumura and Y. Yamanaka
- Journal Title
  
  Journal of Low Temperature Physics 148
  
  Pages: 381386-381386
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Condition for the existence of complex modes in a trapped Bose-Einstein condensate with a highly quantized vortex2007
- Author(s)
  E.Fukuyama, M.Mine, T.Sunaga, M.Okumura.and Y.Yamanaka
- Journal Title
  
  Phvs.Rev.A 76
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Quantum Field Theoretical Description of Unstable Behavior of a Bose-Einstein Condensate with a Highly Quantized Vortex in a Harmonic Potential2007
- Author(s)
  M.Okumura, M.Mine, T.Sunaga, Y.Yamanaka
- Journal Title
  
  Laser Physics Vol.17,No.2
  
  Pages: 211-214
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Quantum Field Theoretical Description of Unstable Behavior of Trapped Bose-Einstein Condensates with Complex Eigenvalues of Bogoliubov-de Gennes Equations2007
- Author(s)
  Makoto Mine, Masahiko Okumura, Tomoka Sunaga, Yoshiya Yamanaka
- Journal Title
  
  Annals of Physics 322
  
  Pages: 2327-2349
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article]2007
- Author(s)
  M.Mine, M.Okumura, T.Sunaga and Y.Yamanaka
- Journal Title
  
  J.Low Temp.Phys. 148
  
  Pages: 331-336
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Condition for the existence of complex modes in a trapped Bose-Einstein condensate with a highly quantized vortex2007
- Author(s)
  E. Fukuyama, M. Mine, T. Sunaga, M. Okumura, and Y. Yamanaka
- Journal Title
  
  Physical Review A 76
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Qauntum Field Theoretical Description of Unstable Behavior of a Bose-Einstein Condensate with a Highly Quantized Vortex in a Hamonic Potential2007
- Author(s)
  M.Okumura, M.Mine, T.Sunaga, Y.Yamanaka
- Journal Title
  
  Laser Physics 17
  
  Pages: 211-214
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Condition for the Existence of Complex Modes in a Trapped Bose-Einstein Condensate with a Highly Quantized Vortex2007
- Author(s)
  Eriko Fukuyama, Makoto Mine, Masahiko Okumura, Tomoka Sunaga, Yoshiya Yamanaka
- Journal Title
  
  Physical Review A 76
  
  Pages: 43608-43608
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Goldstone Theorem, Hugenholtz-Pines Theorem and Ward-Takahashi Relation in Finite Volume Bose-Einstein Condensed Gases2006
- Author(s)
  Hiroaki Enomoto, Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  Annals of Physics 321
  
  Pages: 1892-1917
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Effect of the Zero-Mode on the Response of a Trapped Bose-Condensed Gas2006
- Author(s)
  Makoto Mine, Tomoi Koide, Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  Progress of Theoretical Physics 115
  
  Pages: 683-700
- NAID
  110004757915
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Unitarily Inequivalent Vacua in Bose-Einstein Condensation of Trapped Gases2006
- Author(s)
  Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  Physica A 365
  
  Pages: 429-445
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Relation between Generalized Bogoliubov and Bogoliubov-de Gennes Approaches including Nambu-Goldstone Mode2005
- Author(s)
  M.MINE, M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  J.Math.Phys. 46
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Ward-Takahashi Relation at Finite Temperature in Bose-Einstein Condensation of Trapped Neutral Atoms2005
- Author(s)
  M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  Physica A 348
  
  Pages: 157-172
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Relation between generalized Bogoliubov and Bogoliubov-de Gennes approaches including Nambu-Goldstone mode2005
- Author(s)
  Makoto Mine, Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  J. Math. Phys. 46
  
  Pages: 42307-42307
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Relation between Generalized Bogoliubov and Bogoliubov-de Gennes Approaches including Nambu-Goldstone Mode2005
- Author(s)
  M. Mine, M. Okumura, Y. Yamanaka
- Journal Title
  
  Journal of Mathematical Physics 46
  
  Pages: 42307-42307
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Relation between Generalized Bogoliubov and Bogoliubov-deGennes Approaches including Nambu-Goldstone Mode2005
- Author(s)
  峰真如, 奥村雅彦, 山中由也
- Journal Title
  
  Journal of Mathematical Physics 46
  
  Pages: 42307-42307
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Relation between Generalized Bogohubov and Bogoliubov-de Gennes Approaches including Nambu-Goldstone Mode2005
- Author(s)
  M.MINE, M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  Journal of Mathematical Physics (in press)
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Nambu-Goldstone Mode in Trapped Bose-Einstein Condensation2004
- Author(s)
  M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  Journal of Modern Optics 51 (2004) 1101 51
  
  Pages: 1101-1102
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Response of Trapped Bose-Einstein Condensates under Time-Dependent Perturbation2004
- Author(s)
  T.KOIDE, M.MINE, M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  Journal of Modern Optics 51 (2004) 1103-1104 51
  
  Pages: 1103-1104
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Proper Treatment of Zero Mode in Quantum Field Theory for Trapped Bose-Einstein Condensation2003
- Author(s)
  奥村雅彦, 山中由也
- Journal Title
  
  Physical Review A 68
  
  Pages: 13609-13609
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Proper Treatment of Zero Mode in Quantum Field Theory for Trapped Bose-Einstein Condensation2003
- Author(s)
  M. Okumura, Y. Yamanaka
- Journal Title
  
  Physical Review A68
  
  Pages: 13609-13609
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article]
- Author(s)
  K.Kobayashi, M.Mine, M.Okumura, and Y.Yamanaka
- Journal Title
  
  Ann.Phys. (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Condensates in a Trapping Potential with Complex Eigenvalues of Bogoliubov-de Gennes Equations
- Author(s)
  M.Mine, M.Okumura, T.Sunaga, Y.Yamanaka
- Journal Title
  
  Annals of Physics. (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Unitarily inequivalent vacua in Bose-Einstein condensation of trapped gases
- Author(s)
  Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  Physica A (掲載決定)
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Goldstone theorem, Hugenholtz-Pines theorem and Ward-Takahashi relation in finite volume Bose-Einstein condensed gases
- Author(s)
  Hiroaki Enomoto, Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  Annals of Physics (掲載決定)
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Effect of Zero-Mode on Response of Trapped Bose-Condensed Gas
- Author(s)
  M.MINE, T.KOIDE, M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  Prog.Theor.Phys. (Accepted for publication)
- NAID
  110004757915
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] 解析的手法によるBose-Einstein Condensateにおける複素モード出現条件
- Author(s)
  中村祐介, 峰真如, 奥村雅彦, 山中由也
- Journal Title
  
  (掲載決定)
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Effect of Zero-Mode on the Response of Trapped Bose-Condensates
- Author(s)
  M.Mine, T.Koide, M.Okumura, Y.Yamanaka
- Journal Title
  
  Progress of Theoretical Physics (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] 1
- Author(s)
  小林恵太, 峰真如, 奥村雅彦, 山中由也
- Journal Title
  
  (掲載決定)
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] The Condition for Existence of Complex Modes in Trapped Bose-Einstein Condensates with a Highly Quantized Vortex
- Author(s)
  T.Sunaga, E.Fukuyama, M.Mine, M.Okumura, Y.Yamanaka
- Journal Title
  
  Journal of Low Temperature Physics. (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] The Condition for Existence of Complex Modes in Trapped Bose-Einstein Condensate with a Highly Quantized Vortex
- Author(s)
  MINE, M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  J. Low Temp. Phys. (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] The Condition for Existence of Complex Modes in Trapped Bose-Einstein Condensate with a Highly Quantized Vortex
- Author(s)
  T.Sunaga, E.Fukuyama, M.Mine, M.Okumura, Y.Yamanaka
- Journal Title
  
  Journal of Low Temperature Physics (To be published)
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Quantum Field Theoretical Description of Dynamical Instability of Trapped Bose-Einstein Condensates
- Author(s)
  M.Mine, M.Okumura, T.Sunaga, Y.Yamanaka
- Journal Title
  
  Journal of Low Temperature Physics (To be published)
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Condensates in a Trapped Potential with Complex Eigenvalues of Bogoliubov-de Gennes Equations
- Author(s)
  M.Mine, M.Okumura, T.Sunaga, Y.Yamanaka
- Journal Title
  
  Journal of Low Temperature Physics. (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Effect of zero-mode on response of trapped Bose-condensed Gas
- Author(s)
  Makoto Mine, Tomoi Koide, Masahiko Okumura, Yoshiya Yamanaka
- Journal Title
  
  Pros.Theor.Phys. (掲載決定)
- NAID
  110004757915
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Unitarily Inequivalent Vacua in Bose-Einstein Condensation of Trapped Gases
- Author(s)
  M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  Physica A (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-13135221
[Journal Article] Bose-Einstein Condensates with Complex Eigenvalues of Bogoliubov-de Gennes Equations
- Author(s)
  M.Mine, M.Okumura, T.Sunaga, Y.Yamanaka
- Journal Title
  
  Annals of Physics (To be published)
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Goldstone Theorem, Hugenholtz-Pines Theorem and Ward-Takahashi Relation in Finite Volume Bose-Einstein Condensed Gases
- Author(s)
  H.Enomoto, M.Okumura, Y.Yamanaka
- Journal Title
  
  Annals of Physics (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Unitarily Inequivalent Vacua in Bose-Einstein Condensation of Trapped Gases
- Author(s)
  M.Okumura, Y.Yamanaka
- Journal Title
  
  Physica A (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-17740258
[Journal Article] Condition for Emergence of Complex Eigenvalues in the Bogoliubov-de Gennes Equations
- Author(s)
  Y.Nakamura, M.Mine, M.Okumura, and Y.Yamanaka
- Journal Title
  
  Phys.Rev.A (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540364
[Journal Article] Goldstone Theorem, Hugenholtz-Pines Theorem and Ward-Takahashi Relation in Finite Volume Bose-Einstein Condensed Gases
- Author(s)
  H.ENOMOTO, M.OKUMURA, Y.YAMANAKA
- Journal Title
  
  Ann.Phys. (Accepted for publication)
- Data Source
  KAKENHI-PROJECT-13135221
[Presentation] 粘土鉱物分子動力学シミュレーションの新展開: 機械学習分子動力学法2022
- Author(s)
  奥村雅彦
- Organizer
  第65回粘土科学討論会
- Invited
- Data Source
  KAKENHI-PROJECT-21H02090
[Presentation] 雲母の構造が剥離強度に与える影響の定量的評価2022
- Author(s)
  山口瑛子, 中尾淳, 奥村雅彦
- Organizer
  日本土壌肥料学会
- Data Source
  KAKENHI-PROJECT-21H02090
[Presentation] 放射性セシウム捕捉ポテンシャルの溶液条件は移行リスクの推定に最適か？2022
- Author(s)
  宇野功一郎, 中尾淳, 奥村雅彦, 小暮敏博, 和穎朗太, 山口瑛子, 矢内純太
- Organizer
  日本土壌肥料学会
- Data Source
  KAKENHI-PROJECT-21H02090
[Presentation] Machine learning molecular dynamics simulations of silicate minerals2022
- Author(s)
  Masahiko Okumura
- Organizer
  American Chemical Society Meetings & Expos 2022 Spring
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] Machine learning potentials for cement and clay minerals2021
- Author(s)
  Masahiko Okumura, Keita Kobayashi, Hiroki Nakamura, Akiko Yamaguchi, Mitsuhiro Itakura, Masahiko Machida
- Organizer
  The 2021 International Chemical Congress of Pacific Basin Societies (Pacifichem 2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] 珪酸塩鉱物の機械学習分子動力学シミュレーション2021
- Author(s)
  奥村雅彦
- Organizer
  2021年日本表面真空学会学術講演会
- Invited
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] Machine learning molecular dynamics studies of clay minerals2020
- Author(s)
  M Okumura, K. Kobayashi, A. Yamaguchi, H. Nakamura, M. Itakura, and M. Machida
- Organizer
  Goldschmidt 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] Mechanism of inhomogeneous concentration of Cs in 2:1 Clay minerals: Systematic numerical studies2020
- Author(s)
  1.M. Okumura, S. Kerisit, I.C. Bourg, L.N. Lammers, T. Ikeda, M. Sassi, K.M. Rosso, and M. Machida
- Organizer
  Clay Minerals Society 2020
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-19H05138
[Presentation] Mechanism of inhomogeneous concentration of Cs in 2:1 Clay minerals: Systematic numerical studies2020
- Author(s)
  M. Okumura, S. Kerisit, I.C. Bourg, L.N. Lammers, T. Ikeda, M. Sassi, K.M. Rosso, and M. Machida
- Organizer
  Clay Minerals Society 57th Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] 粘土鉱物の原子スケールキンク構造2020
- Author(s)
  奥村雅彦, 板倉充洋
- Organizer
  軽金属学会第138回春期大会
- Data Source
  KAKENHI-PUBLICLY-19H05138
[Presentation] セメント水和物に対する機械学習分子動力学方による解析2020
- Author(s)
  小林恵太, 中村博樹, 山口瑛子, 板倉充洋, 町田昌彦, 奥村雅彦
- Organizer
  日本原子力学会2020年秋の大会
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] 粘土鉱物の機械学習力場の開発2020
- Author(s)
  奥村雅彦、小林恵太、山口瑛子
- Organizer
  日本原子力学会2020年春の年会
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] 福島環境回復及び廃炉に向けた放射性セシウムの原子スケール動態計算2020
- Author(s)
  奥村雅彦
- Organizer
  日本原子力学会2021年春の年会
- Invited
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] セシウムフリー鉱化法を用いた土壌除染における塩化物反応剤と低圧環境の相乗効果2018
- Author(s)
  下山巖、小暮敏博、奥村大河、馬場祐治
- Organizer
  環境放射能除染学会第7回研究発表会
- Data Source
  KAKENHI-PROJECT-16H02437
[Presentation] 低圧環境下での塩化物添加熱処理による土壌除染2018
- Author(s)
  下山巖、小暮敏博、奥村大河、馬場祐治
- Organizer
  2018年度日本地球化学会年会
- Data Source
  KAKENHI-PROJECT-16H02437
[Presentation] アルカリ塩化物を用いたセシウムフリー鉱化法による土壌除染：反応剤のカチオン価数に依存したCs除去過程2018
- Author(s)
  下山巖、小暮敏博、奥村大河、馬場祐治
- Organizer
  日本原子力学会2018年秋の大会
- Data Source
  KAKENHI-PROJECT-16H02437
[Presentation] 二酸化トリウムの機械学習分子動力学法シミュレーション2018
- Author(s)
  奥村雅彦、小林恵太、中村博樹、板倉充洋、町田昌彦
- Organizer
  日本原子力学会「2019年春の年会」
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] LAUE-RISM法によるmica上の電気二重層シミュレーション解析2018
- Author(s)
  安藤康伸、奥村雅彦
- Organizer
  2018年度日本地球化学会年会
- Data Source
  KAKENHI-PROJECT-18K05208
[Presentation] アルカリ塩化物を用いたCsフリー鉱化法による放射性汚染土壌の除染試験2017
- Author(s)
  下山巖、小暮敏博、奥村大河、馬場祐治、本田充紀、岡本芳浩
- Organizer
  第49回溶融塩化学討論会
- Data Source
  KAKENHI-PROJECT-16H02437
[Presentation] セシウムフリー鉱化法を用いた実土壌除染における塩化物の添加効果2017
- Author(s)
  下山巖、本田充紀、小暮敏博、奥村大河、馬場祐治、岡本芳浩
- Organizer
  第61回粘土科学討論会
- Data Source
  KAKENHI-PROJECT-16H02437
[Presentation] Density functional theory study of cesium adsorption to micaceous clay minerals2016
- Author(s)
  奥村雅彦、中村博樹、町田昌彦、下山巖
- Organizer
  3rd Asian Clay Conference 2016 (ACC 2016)
- Place of Presentation
  ZHUJIANG HOTEL(中国、広州)
- Year and Date
  2016-11-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02437
[Presentation] 非平衡Thermo Field Dynamicsに基づく冷却原子気体系の量子Boltzmann方程式2009
- Author(s)
  中村祐介, 須永知夏, 峰真如, 奥村雅彦, 山中由也
- Organizer
  日本物理学会2009年年次大会
- Place of Presentation
  立教大学
- Year and Date
  2009-03-29
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] 非平衡Thermo Field Dynamicsに基づく冷却原子気体系の量子Boltzmann方程式2009
- Author(s)
  中村祐介, 須永知夏, 峰真如, 奥村雅彦, 山中由也
- Organizer
  2009年年次大会
- Place of Presentation
  立教大学
- Year and Date
  2009-03-29
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Condition for Dynamical Instability of a Trapped Bose-Einstein Condensate with a Highly Quantized Vortex2008
- Author(s)
  M. Mine, E. Fukuyama, T. Sunaga, M. Okumura, and Y. Yamanaka
- Organizer
  The 21st International Conference on Atomic Physics
- Place of Presentation
  Connecticut大学
- Year and Date
  2008-07-31
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Quantum Fieid Theoretical Description of Dynamical instability of Trapped Bose-Einstein Condensates2008
- Author(s)
  M.Mine, M.Okumura, T.Sunaga, and Y.Yamanaka
- Organizer
  Ultracold NanoMatter 2008
- Place of Presentation
  Toronto, Canada
- Year and Date
  2008-02-14
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] On the Condition of the Emergence of Complex Eigenvalues in the BdG Equation2008
- Author(s)
  Y. Nakamura, M. Mine, M. Okumura, and Y. Yamanaka
- Organizer
  Ultracold NanoMatter 2008
- Place of Presentation
  Toronto, Canada
- Year and Date
  2008-02-14
- Data Source
  KAKENHI-PROJECT-17740258
[Presentation] Condition for the existence of complex modes in a trapped Bose-Einstein condensate with a highly quantized vortex2008
- Author(s)
  M. Mine, E. Fukuyama, T. Sunaga, M. Okumura, and Y. Yamanaka
- Organizer
  APS March Meeting 2008
- Place of Presentation
  New Orleans, USA
- Year and Date
  2008-03-11
- Data Source
  KAKENHI-PROJECT-17740258
[Presentation] Nonequilibrium TFD for systems of trapped cold atoms2008
- Author(s)
  山中由也, 奥村雅彦, 峰真如, 須永知夏, 中村祐介
- Organizer
  熱場の量子論とその応用
- Place of Presentation
  京都大学
- Year and Date
  2008-09-04
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Condition for the existence of complex modes in a trapped Bose-Einstein condensate with a highly quantized vortex2008
- Author(s)
  M.Mine, E.Fukuyama, T.Sunaga, M.Okumura, and Y.Yamanaka
- Organizer
  APS March Meeting 2008
- Place of Presentation
  New Orleans, USA
- Year and Date
  2008-03-11
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] On the Condition of the Emergence of Complex Eigenvalues in the BdG Equation2008
- Author(s)
  Y.Nakamura, M.Mine, M.Okumura, and Y.Yamanaka
- Organizer
  Ultracold NanoMatter 2008
- Place of Presentation
  Toronto, Canada
- Year and Date
  2008-02-14
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Unstable Behavior of a BEC in an Optical Lattice-Quantum Theoretical Approach2008
- Author(s)
  K. Kobayashi, M. Mine, M. Okumura, and Y. Yamanaka
- Organizer
  Ultracold NanoMatter 2008
- Place of Presentation
  Toronto, Canada
- Year and Date
  2008-02-14
- Data Source
  KAKENHI-PROJECT-17740258
[Presentation] Quantum Field Theoretical Description of Dynamical instability of Trapped Bose-Einstein Condensates2008
- Author(s)
  M. Mine, M. Okumura, T. Sunaga, and Y. Yamanaka
- Organizer
  Ultracold NanoMatter 2008
- Place of Presentation
  Toronto, Canada
- Year and Date
  2008-02-14
- Data Source
  KAKENHI-PROJECT-17740258
[Presentation] Unstable Behavior of a BEC in an Optical Lattice-Quantum Field Theoretical Approach2008
- Author(s)
  K.Kobayashi, M.Mine, M.Okumura, and Y.Yamanaka
- Organizer
  Ultracold NanoMatter 2008
- Place of Presentation
  Toronto, Canada
- Year and Date
  2008-02-14
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Analysis on the Condition of the Emergence of Complex Eigenvalues in the BdG Equation2008
- Author(s)
  Y. Nakamura, M. Mine, M. Okumura, and Y. Yamanaka
- Organizer
  Ultracold NanoMatter 2008
- Place of Presentation
  York大学
- Year and Date
  2008-02-14
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] 12007
- Author(s)
  T.Sunaga, E.Fukuyama, M.Mine, M.Okumura, and Y.Yamanaka
- Place of Presentation
  早稲田大学
- Year and Date
  2007-09-14
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Analytic Expression of the Condition for the Existence of Complex Modes for a Trapped Bose-Einstein Condensate with a Highly Quantized Vortex2007
- Author(s)
  T. Sunaga, E. Fukuyama, M. Mine, M. Okumura, and Y. Yamanaka
- Organizer
  The 5th 21st century COE symposium on Physics of Selforganization Systems
- Place of Presentation
  早稲田大学
- Year and Date
  2007-09-14
- Data Source
  KAKENHI-PROJECT-17740258
[Presentation]2007
- Author(s)
  小林恵太, 峰真如, 奥村雅彦, 山中由也
- Organizer
  基研研究会「熱場の量子論とその応用」
- Place of Presentation
  京都大学
- Year and Date
  2007-09-06
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] 光学格子中Bose-Einstein凝縮における動的不安定性の場の理論的解析2007
- Author(s)
  小林恵太, 峰真如, 奥村雅彦, 山中由也
- Organizer
  日本物理学会第62回年次大会
- Place of Presentation
  北海道大学
- Year and Date
  2007-09-21
- Data Source
  KAKENHI-PROJECT-17740258
[Presentation] 12007
- Author(s)
  M.Mine, M.Okumura, T.Sunaga, and Y.Yamanaka
- Place of Presentation
  London, UK
- Year and Date
  2007-09-12
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Bogoliubov-de Gennes方程式における複素固有値出現条件の解析2007
- Author(s)
  中村祐介, 峰真如, 奥村雅彦, 山中由也
- Organizer
  日本物理学会第62回年次大会
- Place of Presentation
  北海道大学
- Year and Date
  2007-09-21
- Data Source
  KAKENHI-PROJECT-17740258
[Presentation] 解析的手法によるBose-Einstein Condensateにおける複素モード出現条件2007
- Author(s)
  中村祐介, 峰真如, 奥村雅彦, 山中由也
- Organizer
  基研研究会「熱場の量子論とその応用」
- Place of Presentation
  京都大学
- Year and Date
  2007-09-06
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] 12007
- Author(s)
  小林恵太, 峰真如, 奥村雅彦, 山中由也
- Place of Presentation
  北海道大学
- Year and Date
  2007-09-21
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Complex Eigenvalues Associated with Trapped BEC and Field Theoretical Description of Unstable Behavior2007
- Author(s)
  M. Mine, M. Okumura, T. Sunaga, and Y. Yamanaka
- Organizer
  QuAMP 2007
- Place of Presentation
  London, UK
- Year and Date
  2007-09-12
- Data Source
  KAKENHI-PROJECT-17740258
[Presentation] ogoliubov-de Gennes方程式における複素固有値出現条件の解析2007
- Author(s)
  中村祐介, 峰真如, 奥村雅彦, 山中由也
- Organizer
  日本物理学会第62回年次大会
- Place of Presentation
  北海道大学
- Year and Date
  2007-09-21
- Data Source
  KAKENHI-PROJECT-17540364
[Presentation] Bogoliubov-de Gennes Approach with Complex Eigenmodes and Physical States2006
- Author(s)
  M. Mine, M. Okumura, T. Sunaga and Y. Yamanaka
- Organizer
  CDAMOP2006
- Place of Presentation
  Delhi大学
- Year and Date
  2006-03-22
- Data Source
  KAKENHI-PROJECT-17540364

1. MINE Makoto (80434306)

# of Collaborated Projects: 3 results

# of Collaborated Products: 46 results
2. YAMANAKA Yoshiya (10174757)

# of Collaborated Projects: 2 results

# of Collaborated Products: 60 results
3. 小暮敏博 (50282728)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
4. KOBAYASHI Keita (00468860)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
5. OHBA Ichiro (10063695)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. NAKAZATO Hiromichi (00180266)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. YUASA Kazuya (90339721)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. OTA Yukihiro (60386597)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. Shimoyama Iwao (10425572)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 宮本学 (80386622)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 中村博樹 (40350483)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 森田健司 (50339719)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 町田昌彦 (60360434)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
14. 馬場祐治 (90360403)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
15. 本田充紀 (10435597)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
16. 岡本芳浩 (70370369)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
17. 志賀基之 (40370407)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 荒木優希 (50734480)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 中尾淳 (80624064)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
20. 矢内純太 (00273491)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
21. 和穎朗太 (80456748)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
22. 山口瑛子 (80850990)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
23. 永井佑紀

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
24. 下山巖

# of Collaborated Projects: 0 results

# of Collaborated Products: 6 results

Okumura Masahiko 奥村 雅彦

OKUMURA Masahiko 奥村 雅彦

Research Projects

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Co-Researchers

Creation and validation of an interstellar dust surface model by machine-learning molecular dynamicsPrincipal Investigator

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Application of Rb-K substituted biotite to distinguish K supplying power from Cs retention ability on soil-to-plant transfer of radiocesium

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Studies on kink structures of phyllo silicates at the atomic scalePrincipal Investigator

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Studies of clay minerals-water interface by machine learning molecular dynamics simulations and experimentsPrincipal Investigator

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Development of cesium-free mineralization for volume reduction and reuse of radioactive contaminated soil in Fukushima

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Formulation of Bose-Einstein condensation of neutral atoms based on thermal field theory

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熱場の理論による補足ポテンシャル中の中性原子気体の非平衡状態の研究Principal Investigator

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Research on Quantum Field Theory for Finite Space-Time Systems and Dynamics of Quantum Systems

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[Journal Article] Machine learning potentials of kaolinite based on the potential energy surfaces of GGA and meta-GGA density functional theory2022

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[Journal Article] Computational science studies on radiocesium adsorption on clay minerals2021

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[Journal Article] Machine learning potentials for tobermorite minerals2021

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[Journal Article] Self-learning Monte Carlo method with Behler-Parrinello neural networks2020

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[Journal Article] Self-learning hybrid Monte Carlo: A first-principles approach2020

Author(s)

Okumura Masahiko 奥村雅彦

OKUMURA Masahiko 奥村雅彦