Sasaki Itaru 佐々木格

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SASAKI Itaru 佐々木格

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Researcher Number	50558161
Other IDs
Affiliation (Current)	2025: 信州大学, 学術研究院理学系, 准教授
Affiliation (based on the past Project Information) *help	2014 – 2023: 信州大学, 学術研究院理学系, 准教授 2015: 信州大学, 理学部, 准教授 2013: 信州大学, 理学部, 助教 2013: 信州大学, 総合工学系研究科, 助教 2010 – 2012: 信州大学, ファイバーナノテク国際若手研究者育成拠点, 助教 2011: 信州大学, 総合工学系研究科, 助教
Review Section/Research Field	Principal Investigator Basic analysis / Basic Section 12010:Basic analysis-related Except Principal Investigator Basic analysis / Mathematical analysis
Keywords	Principal Investigator 基底状態 / 量子場 / スペクトル解析 / 場の量子論 / 対角化 / Bogoliubov変換 / ハミルトニアン / 関数解析 / 作用素解析 / 量子場の数理解析 … More / Pauli-Fierz模型 / 対相互作用模型 / ボゴリューボフ変換 / 量子場の散乱理論 / 量子場の数学的解析 / accretive作用素 / 解析性 / 作用素論 / 場の理論 / 埋蔵固有値 / 相対論的量子力学 / 準相対論的Pauli-Fierzモデル / Pauli-Fierzモデル / 量子ウォーク / 自己共役作用素 / 時間作用素 / Rabiモデル / 数理物理 / Liouvilleの定理 / 束縛条件 / Dirac-Maxwellモデル / 非可換調和振動子 / スペクトル / 相対論的シュレディンガー作用素 / 量子電磁力学 … More Except Principal Investigator 場の量子論 / Schroedinger方程式 / Dirac方程式 / Feynman経路積分 / Schroedinger 方程式 / 量子力学 / 量子電磁気学 / Dirac 方程式 / 場の理論 / 半群 / シュレディンガー作用素 / レヴィー過程 / 基底状態 / 汎関数積分 / スペクトル解析 / スペクトル散乱理論 / 無限次元解析 / Spectral zeta function / crossing / NcHO / Rabi model / Bargmann表現 / Heun方程式 / スペクトルゼータ関数 / Rabi模型 / ゼータ関数 / スペクトル曲線 / 非可換調和振動子 / 緩増加超関数空間 / 相対論的な因果律 / 空間方向に多項式オーダーで増大するポテンシャル / Feynman propagator / Feynman 経路積分 / 場の量子理論 / Feynmaｎ経路積分 / Feyman 経路積分 / ベルンシュタイン関数 / ファインマン－カッツ公式 / くりこみ / Bernstein関数 / スピン / レヴィー測度 / シュレディンガ－作用素 / ギブス測度 / ファインマンカッツ公式 / 確率過程 / 散乱理論 / 関数解析 Less

Spectral analysis of quantum fields using Bogoliubov transformationPrincipal Investigator
- Principal Investigator
  
  佐々木格
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12010:Basic analysis-related
- Research Institution
  Shinshu University
Research on the binding condition and the renormalization for a quantum system of Bose field coupled to a particlePrincipal Investigator
- Principal Investigator
  
  Sasaki Itaru
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Basic analysis
- Research Institution
  Shinshu University
algebraic properties of spectral curves of Rabi model and non-commutative harmonic oscillators
- Principal Investigator
  
  HIROSHIMA FUMIO
- Project Period (FY)
  2015 – 2016
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Basic analysis
- Research Institution
  Kyushu University
The theory of osicllatory integral operartors and its application to the Feynman path integral of quntum field theory
- Principal Investigator
  
  ICHINOSE Wataru
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical analysis
- Research Institution
  Shinshu University
Non-perturbative spectral analysis of quantum system by stochastic method
- Principal Investigator
  
  HIROSHIMA Fumio
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  Kyushu University
On the theory of the oscillatory integral operators and its applications to the Feyman path integral for the field theory
- Principal Investigator
  
  ICHINOSE Wataru
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Shinshu University
Spectral analysis of quantum field theory by means of functional integrations
- Principal Investigator
  
  HIROSHIMA Fumio
- Project Period (FY)
  2010 – 2011
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Basic analysis
- Research Institution
  Kyushu University
Spectral analysis of a fermion interacting with a bose fieldPrincipal Investigator
- Principal Investigator
  
  SASAKI Itaru
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Basic analysis
- Research Institution
  Shinshu University

[Book] Enhanced binding in quantum field theory, COE Lecture Note 382012
- Author(s)
  F. Hiroshima, H. Spohn, I. Sasaki and A. Suzuki
- Total Pages
  206
- Publisher
  Kyushu University
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] Explicit diagonalization of pair interaction models2021
- Author(s)
  Matsuzawa Yasumichi、Sasaki Itaru、Usami Kyosuke
- Journal Title
  
  Analysis and Mathematical Physics
  
  Volume: 11 Issue: 2
- DOI
  10.1007/s13324-021-00486-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03628
[Journal Article] Embedded eigenvalues and Neumann-Wigner potentials for relativistic Schroedinger operators2017
- Author(s)
  Itaru Sasaki, Jozsef Lorinczi
- Journal Title
  
  Journal of Functional Analysis
  
  Volume: In press Issue: 4 Pages: 1548-1575
- DOI
  10.1016/j.jfa.2017.03.012
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17612
[Journal Article] Essential spectrum of the discrete Laplacian on a perturbed periodic graph2017
- Author(s)
  Itaru Sasaki, Akito Suzuki
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: 446 Issue: 2 Pages: 1863-1881
- DOI
  10.1016/j.jmaa.2016.09.063
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17612, KAKENHI-PROJECT-26800054
[Journal Article] Essential spectrum of the discrete Laplacian on a perturbed periodic graph2017
- Author(s)
  I. Sasaki and A. Suzuki
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: 446 Pages: 1863-1881
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400161
[Journal Article] A mathematical analysis of dressed photon in ground state of generalized quantum Rabi model using pair theory2017
- Author(s)
  Hirokawa Masao, Moeller Jacob S, Sasaki Itaru
- Journal Title
  
  Journal of Physics A: Mathematical and Theoretical
  
  Volume: 50 Issue: 18 Pages: 184003-184003
- DOI
  10.1088/1751-8121/aa677c
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17612, KAKENHI-PROJECT-26310210, KAKENHI-PROJECT-26400117
[Journal Article] Enhanced binding of an N particle system interacting with a scalar field II, Relativistic version2015
- Author(s)
  F. Hiroshima and I.Sasaki
- Journal Title
  
  Publ RIMS Kyoto
  
  Volume: 51 Pages: 655-690
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13445
[Journal Article] Enhanced Binding of an N-particle System Interacting with a　Scalar Field II. Relativistic Version2015
- Author(s)
  F. Hiroshima, I. Sasaki
- Journal Title
  
  Publ. RIMS
  
  Volume: 51 Issue: 4 Pages: 655-690
- DOI
  10.4171/prims/168
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400161
[Journal Article] Spectral Analysis of the Dirac Polaron2014
- Author(s)
  Itaru Sasaki
- Journal Title
  
  Publications of the Research Institute for Mathematical Sciences
  
  Volume: 50-2
- NAID
  110009815005
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740087
[Journal Article] Spectral analysis of non-commutative harmonic oscillators : The lowest eigenvalue and no crossing2014
- Author(s)
  Fumio Hiroshima, Itaru Sasaki
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: 415 Issue: 2 Pages: 595-609
- DOI
  10.1016/j.jmaa.2014.01.005
- NAID
  120007114356
- Data Source
  KAKENHI-PROJECT-22740087
[Journal Article] Spectral analysis of non-commutative harmonic oscillators : the lowest eigenvalue and no crossing2014
- Author(s)
  F. Hiroshima and I. Sasaki
- Journal Title
  
  J. Math. Anal. Appl
  
  Volume: 45 Pages: 595-609
- NAID
  120007114356
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] Spectral analysis of non-commutative harmonic oscillators: the lowest eigenvalue and no crossing2014
- Author(s)
  F. Hiroshima and I. Sasaki
- Journal Title
  
  J. Mathematical Analysis and Applications
  
  Volume: 415 Pages: 595-609
- NAID
  120007114356
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] MULTIPLICITY OF THE LOWEST EIGENVALUE OF NON-COMMUTATIVE HARMONIC OSCILLATORS2013
- Author(s)
  Fumio Hiroshima, Itaru Sasaki
- Journal Title
  
  Kyushu Journal of Mathematics
  
  Volume: 67 Issue: 2 Pages: 355-366
- DOI
  10.2206/kyushujm.67.355
- NAID
  130003383441
- ISSN
  1340-6116, 1883-2032
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740087, KAKENHI-PROJECT-23540195
[Journal Article] Multiplicity of the lowest eigenvalue of non-commutative harmonic oscillator2013
- Author(s)
  F. Hiroshima and I. Sasaki
- Journal Title
  
  Kyushu J. Math
  
  Volume: 67 Pages: 355-366
- NAID
  130003383441
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] Multiplicity of the lowest eigenvalue of non-commutative harmonic oscillators2013
- Author(s)
  F. Hiroshima and I. Sasaki
- Journal Title
  
  Kyushu J. Math
  
  Volume: 67 Pages: 355-366
- NAID
  130003383441
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] Multiplicity of the lowest eigenvalue of non-commutative harmonic oscillators2013
- Author(s)
  F.Hiroshima and I.Sasaki
- Journal Title
  
  Kyusyu Journal of Math
  
  Volume: 67 Pages: 355-366
- NAID
  130003383441
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540195
[Journal Article] Multiplicity of the lowest eigenvalue of non-commutative harmonic oscillators2013
- Author(s)
  F. Hiroshima, I. Sasaki
- Journal Title
  
  Kyushu Journal of Mathematics
  
  Volume: 167
- NAID
  130003383441
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540195
[Journal Article] Multiplicity of the lowest eigenvalue of non-commutative harmonic oscillator2013
- Author(s)
  F. Hiroshima and I. Sasaki
- Journal Title
  
  Kyushu J. Math.
  
  Volume: to appear
- NAID
  130003383441
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] Note on the spectrum of discrete Schroedinger operators2012
- Author(s)
  F. Hiroshima, I. Sasaki, T. Shirai and A. Suzuki
- Journal Title
  
  JMI
  
  Volume: 4 Pages: 105-108
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] Note on the spectrum of discrete Schroedinger operators2012
- Author(s)
  F. Hiroshima and I. Sasaki, T. Shirai and A. Suzuki
- Journal Title
  
  Journal of Math-for-Industry
  
  Volume: 47 Pages: 105-108
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540195
[Journal Article] Note on the spectrum of discrete Schrodinger operators2012
- Author(s)
  Fumio Hiroshima, Itaru Sasaki, Tomoyuki Shirai, Akito Suzuki
- Journal Title
  
  Journal of Math-for-Industry
  
  Volume: Vol.4(2012B-4) Pages: 105-108
- NAID
  120007101192
- URL
  http://j-mi.org/articles/view/273
- Data Source
  KAKENHI-PROJECT-22740087
[Journal Article] On the ionization energy of semi-relativistic Pauli-Fierz model for a single particle2012
- Author(s)
  Fumio Hiroshima, Itaru Sasaki
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: B21 Pages: 25-34
- URL
  http://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/177030/1/B21-03.pdf
- Data Source
  KAKENHI-PROJECT-22740087
[Journal Article] Enhanced binding in quantum field theory2012
- Author(s)
  F.Hiroshima, I.Sasaki, H.Spohn, A.Suzuki
- Journal Title
  
  COE Lecture Note Kyushu University
  
  Volume: 38 Pages: 1-206
- Data Source
  KAKENHI-PROJECT-22654018
[Journal Article] Enhanced binding in quantum field theory2012
- Author(s)
  F.Hiroshima, I.Sasaki, H.Spohn, A.Suzuki
- Journal Title
  
  COE Lecture Note Kyushu University
  
  Volume: 38 Pages: 1-206
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] Note on the spectrum of discrete Schrodinger operators2012
- Author(s)
  F. Hiroshima, I. Sasaki, T. Shirai, A. Suzuki
- Journal Title
  
  Journal of Math-for-Industry
  
  Volume: 4 Pages: 105-108
- NAID
  120007101192
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540195
[Journal Article] Enhanced binding in quantum field theory2012
- Author(s)
  F. Hiroshima, I. Sasaki, H. Spohn and A. Suzuki
- Journal Title
  
  COE Lecture Note
  
  Volume: 38 Pages: 206-206
- Data Source
  KAKENHI-PROJECT-22654018
[Journal Article] Note on the spectrum of discrete Schro\"dinger operators2012
- Author(s)
  F. Hiroshima, I. Sasaki, T. Shirai and A. Suzuki
- Journal Title
  
  J. Math-for-Industry
  
  Volume: 4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340032
[Journal Article] Measure theoretical approach to recurrent properties for quantum dynamics2011
- Author(s)
  Y. Otobe and I. Sasaki
- Journal Title
  
  J. Phys. A : Math. Theor
  
  Volume: 44(46) Issue: 46 Pages: 465209-465209
- DOI
  10.1088/1751-8113/44/46/465209
- NAID
  120007101190
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740086, KAKENHI-PROJECT-22740087, KAKENHI-PROJECT-23540195
[Journal Article] On the ionization energy of semi-relativistyic Pauli-Fierz model for a single particle2010
- Author(s)
  F. Hiroshima and I. Sasaki
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: B21 Pages: 25-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22654018
[Journal Article] On the ionization energy of semi-relativistic Pauli-Fierz model for a single particle2010
- Author(s)
  F.Hiroshima, I.Sasaki
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: 21 Pages: 25-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22654018
[Presentation] 対相互作用模型の基底状態の収束半径について2024
- Author(s)
  佐々木格
- Organizer
  日本数学会２０２４年度年会
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] 対相互作用模型の散乱理論について2023
- Author(s)
  佐々木格
- Organizer
  日本数学会２０２３年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] Analyticity of the ground state for the pair interaction model2023
- Author(s)
  佐々木格, 井村航太, 泉真之介, 松澤泰道
- Organizer
  日本数学会 2023 年度年会
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] Analyticity of the ground state in the pair interaction model2023
- Author(s)
  K. Imura, Y. Matsuzawa, I. Shinnnosuke, I. Sasaki,
- Organizer
  2022年度RIMS研究集会「量子場の数理とその周辺」
- Invited
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] 準相対論的Pauli-Fierz模型の基底状態の存在と廣川の方法について2022
- Author(s)
  佐々木格
- Organizer
  H60「廣川先生ご還暦研究会」
- Invited
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] A general theory of diagonalization by Bogoliubov transformations2022
- Author(s)
  佐々木格
- Organizer
  日本数学会2022年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] 量子ウォークの時間作用素について2022
- Author(s)
  佐々木格
- Organizer
  時間・量子測定・準古典近似の理論と実験;古典論と量子論の境界,九大 IMI
- Invited
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] Bogoliubov transformation and the pair interaction model2022
- Author(s)
  佐々木格
- Organizer
  Non-Commutative Probability and Related Topics 2022
- Invited
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] Diagonalization of pair interaction models and ground state energies2020
- Author(s)
  宇佐美京介，佐々木格
- Organizer
  2020 RIMS共同研究(公開型) 量子場の数理とその周辺
- Invited
- Data Source
  KAKENHI-PROJECT-20K03628
[Presentation] 準相対論的 Pauli-Fierz モデルにおける粒子の束縛について2019
- Author(s)
  佐々木格
- Organizer
  新井朝雄先生退職記念研究集会
- Invited
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] Regular Bogoliubov Transformations2019
- Author(s)
  佐々木格
- Organizer
  RIMS研究集会「量子場の数理とその周辺」
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] Existence of ground state in the massless semi-relativistic Pauli-Fierz model2018
- Author(s)
  佐々木格
- Organizer
  The 16th Linear and Nonlinear Waves
- Invited
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] Existence of ground state of the model of a massless charged particle interacting with the quantized radiation field2018
- Author(s)
  佐々木格
- Organizer
  量子場の数理とその周辺
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] 準相対論的 Pauli-Fierz モデルの基底状態について---粒子が質量を持たない場合---2018
- Author(s)
  佐々木格
- Organizer
  Workshop on Analysis in Kagurazaka 2018
- Invited
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] Existence of ground state of massless relativistic Pauli-Fierz model2018
- Author(s)
  Itaru Sasaki
- Organizer
  ICMP（国際数理物理学会）
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] On the spectral analysis of the semi-relativistic Pauli-Fierz model2018
- Author(s)
  佐々木格
- Organizer
  スペクトル・散乱理論とその周辺
- Invited
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] Embedded Eigenvalue and von Neumann-Wigner Potential for the Relativistic Schrodinger Operator2017
- Author(s)
  Itaru Sasaki
- Organizer
  University of Lorraine, Spectral Theory and Mathematical Physics
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] Embedded Eigenvalues and Neumann-Wigner Potentials for Relativistic Schrodinger Operators2017
- Author(s)
  Itaru Sasaki
- Organizer
  Physical and mathematical approaches to interacting particle systems ―In honer of 70th birthday of Herbert Spohn
- Place of Presentation
  Tokyo Institute of Technology
- Year and Date
  2017-01-12
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] On the embedded eigenvalue of relativistic Schrodinger operator2017
- Author(s)
  Itaru Sasaki
- Organizer
  Aarhus University, Math/Phys Seminar
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] Embedded Eigenvalue and von Neumann-Wigner Potential for the Relativistic Schroedinger Operator2016
- Author(s)
  I. Sasaki
- Organizer
  QMath13 - Mathematical Results in Quantum Physics
- Place of Presentation
  Georgia 工科大学(USA)
- Year and Date
  2016-10-08
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400161
[Presentation] Embedded Eigenvalues and Neumann-Wigner Potentials for Relativistic Schrodinger Operators2016
- Author(s)
  Itaru Sasaki
- Organizer
  QMath13: Mathematical Results in Quantum Physics
- Place of Presentation
  Georgia Institute of Technology（アメリカ）
- Year and Date
  2016-10-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17612
[Presentation] On the Embedded Eigenvalue of Relativistic Schrodinger Operator2016
- Author(s)
  I. Sasaki
- Organizer
  偏微分方程式姫路研究集会
- Place of Presentation
  兵庫県姫路市市民センター
- Year and Date
  2016-03-03
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400161
[Presentation] 準相対論的Pauli-Fierz モデルのスペクトル解析I, II2014
- Author(s)
  佐々木　格
- Organizer
  RIMS 共同研究「作用素環とその周辺分野の発展」
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 準相対論的 Pauli-Fierz モデルのスペクトル解析 I, II2014
- Author(s)
  佐々木格
- Organizer
  RIMS研究集会『作用素環とその周辺分野の発展』
- Place of Presentation
  京都大学
- Year and Date
  2014-01-29
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 非可換調和振動子の固有値の多重度とJacobi行列2013
- Author(s)
  佐々木格
- Organizer
  2013日本数学会秋期総合分科会
- Place of Presentation
  愛媛大学
- Year and Date
  2013-09-24
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 準相対論的Pauli-Fierz モデルにおける束縛条件2013
- Author(s)
  佐々木　格
- Organizer
  ２０１３日本数学会　秋季総合分科会
- Place of Presentation
  愛媛大学
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Multiplicity of Ground State of Non-Commutative Harmonic Oscillators2013
- Author(s)
  Itaru Sasaki
- Organizer
  International Conference on Mathematical Sciences and Statistics (ICMSS2013)
- Place of Presentation
  Sunway Putra Hotel, Kuala Lumpur
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Binding condition of the many body semi-relativistic Pauli-Fierz Model2013
- Author(s)
  Itaru Sasaki
- Organizer
  RIMS研究集会『Applications of Renormalization Group Methods in Mathematical Sciences』
- Place of Presentation
  京都大学
- Year and Date
  2013-09-13
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 準相対論的Pauli-Fiertzモデルの基底状態の存在について2013
- Author(s)
  F. Hiroshima and I. Sasaki
- Organizer
  第１２３回学習院大学スペクトル理論セミナー
- Place of Presentation
  学習院大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540195
[Presentation] On the dressed electron state in the semi-relativistic Pauli-Fierz model2013
- Author(s)
  佐々木　格
- Organizer
  量子場の数理とその周辺
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 非可換調和振動子の固有値の多重度とJacobi 行列2013
- Author(s)
  佐々木　格
- Organizer
  ２０１３日本数学会　秋季総合分科会
- Place of Presentation
  愛媛大学
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Multiplicity of Ground State of Non-Commutative Harmonic Oscillators2013
- Author(s)
  I. Sasaki
- Organizer
  International Conference on Mathematical Sciences and Statics
- Place of Presentation
  Sunway Prutra Hotel, Kuala Lumpur
- Year and Date
  2013-02-05
- Data Source
  KAKENHI-PROJECT-23540195
[Presentation] 準相対論的 Pauli-Fierz モデルの束縛条件について2013
- Author(s)
  I. Sasaki
- Organizer
  数理物理セミナー
- Place of Presentation
  北海道大学理学研究科
- Year and Date
  2013-06-28
- Data Source
  KAKENHI-PROJECT-23540195
[Presentation] Multiplicity of Ground State of Non-Commutative Harmonic Oscillators2013
- Author(s)
  Itaru Sasaki
- Organizer
  International Conference on Mathematical Sciences and Statistics (ICMSS2013)
- Place of Presentation
  クアラルンプール(マレーシア)
- Year and Date
  2013-02-05
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 準相対論的 Pauli-Fierz モデルにおける束縛条件2013
- Author(s)
  佐々木格
- Place of Presentation
  愛媛大学
- Year and Date
  2013-09-24
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] On the dressed electron state in the semi-relativistic Pauli-Fierz model2013
- Author(s)
  Itaru Sasaki
- Organizer
  RIMS研究集会『量子場の数理とその周辺』
- Place of Presentation
  京都大学
- Year and Date
  2013-10-02
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 準相対論的Pauli-Fiertzモデルの束縛条件について2013
- Author(s)
  F. Hiroshima and I. Sasaki
- Organizer
  北海道大学数理物理セミナー
- Place of Presentation
  北海道大学理学研究科
- Invited
- Data Source
  KAKENHI-PROJECT-23540195
[Presentation] Multiplicity of eigenvalues of the non-commutative harmonic oscillator2013
- Author(s)
  Itaru Sasaki
- Organizer
  International Workshop on Noncommutartive Analysis and its Future Prospects
- Place of Presentation
  北海道大学
- Year and Date
  2013-08-06
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Multiplicity of eigenvalues of the non-commutative harmonic oscillator2013
- Author(s)
  Itaru Sasaki
- Organizer
  International Workshop on Noncommutative Analysis and its Future Prospects
- Place of Presentation
  Hokkaido University
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Binding condition of the many body semi-relativistic Pauli-Fierz Model2013
- Author(s)
  Itaru Sasaki
- Organizer
  Applications of Renormalization Group Methods in Mathematical Sciences
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] On the ground state of the semi-relativistic Pauli-Fierz model2012
- Author(s)
  佐々木格
- Organizer
  量子場の数理とその周辺
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Enhanced binding for the relativistic many body Nelson model2012
- Author(s)
  Itaru Sasaki
- Organizer
  Spectral Theory and Differential Equations (STDE-2012)
- Place of Presentation
  ハリコフ(ウクライナ)
- Year and Date
  2012-08-24
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Multiplicity of the ground state of non-commutative harmonic oscillators2012
- Author(s)
  Itaru Sasaki
- Organizer
  研究集会『非可換調和振動子のスペクトルと量子デバイスの数理』
- Place of Presentation
  九州大学・数理学研究院
- Year and Date
  2012-11-27
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 相対論的 Pauli-Fierzモデルのスペクトル解析について2012
- Author(s)
  Itaru Sasaki
- Organizer
  2012年夏の作用素論シンポジウム
- Place of Presentation
  新潟大学駅南キャンパス「ときめいと」講義室 A
- Year and Date
  2012-09-08
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] On the ground state of the semi-relativistic Pauli-Fierz model2012
- Author(s)
  Itaru Sasaki
- Organizer
  RIMS 研究集会『Mathematical Quantum Field Theory and Related Topics』
- Place of Presentation
  京都大学
- Year and Date
  2012-11-15
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Enhanced binding for the relativistic many body Nelson model2012
- Author(s)
  I. Sasaki
- Organizer
  Spectral Theory and Differential Equations (STDE-2012)
- Place of Presentation
  ハリコフ(ウクライナ)
- Data Source
  KAKENHI-PROJECT-23540195
[Presentation] Enhanced binding for the relativistic many body Nelson model2012
- Author(s)
  Itaru Sasaki
- Organizer
  Spectral Theory and Differential Equations (STDE-2012)
- Place of Presentation
  (ハリコフ)ウクライナ
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Binding energy for a general class of quantum field Hamiltonian2012
- Author(s)
  佐々木格
- Organizer
  The Fourth International Conference on Mathematical Sciences-ICM2012
- Place of Presentation
  UAE University (Al Ain, UAE)
- Year and Date
  2012-03-11
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Multiplicity of the ground state of non-commutative harmonic oscillators2012
- Author(s)
  Itaru Sasaki
- Organizer
  非可換調和振動子のスペクトルと量子デバイスの数理
- Place of Presentation
  九州大学・数理学研究院
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Enhanced binding for the relativistic many body Nelson model2012
- Author(s)
  I. Sasaki
- Organizer
  Spectral Theory and Differential Equations
- Place of Presentation
  ハリコフ, ウクライナ
- Year and Date
  2012-08-24
- Data Source
  KAKENHI-PROJECT-23540195
[Presentation] Binding energy for a general class of quantum field Hamiltonian2012
- Author(s)
  I. Sasaki
- Organizer
  The fourth Internatioanl Conference on Mathematical Sciences ICM2012
- Place of Presentation
  Al-Ain(UAE)
- Year and Date
  2012-03-11
- Data Source
  KAKENHI-PROJECT-23540195
[Presentation] Binding energy for a general class of quantum field Hamiltonian2012
- Author(s)
  Itaru Sasaki
- Organizer
  The Fourth International Conference on Mathematical Sciences - ICM2012
- Place of Presentation
  Al-Ain(UAE)
- Year and Date
  2012-03-11
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] 相対論的Pauli-Fierz モデルのスペクトル解析について2012
- Author(s)
  佐々木格
- Organizer
  2012年夏の作用素論シンポジウム
- Place of Presentation
  新潟大学駅南キャンパス「ときめいと」
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] ポテンシャル付きシュレーディンガー方程式2012
- Author(s)
  佐々木格
- Organizer
  第34回発展方程式若手セミナー
- Place of Presentation
  タナベ経営湘南南研修センター（神奈川県三浦市）
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Enhanced Binding for the Semi-relativistic Nelson Model2011
- Author(s)
  佐々木格
- Organizer
  Applications of the Renormalization Group Methods in Mathematical Sciences
- Place of Presentation
  京都大学(招待講演)
- Year and Date
  2011-09-13
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Binding condition for the general class of quantum field Hamiltonians2011
- Author(s)
  Itaru Sasaki
- Organizer
  RIMS 研究集会『スペクトル散乱理論とその周辺』
- Place of Presentation
  京都大学
- Year and Date
  2011-12-15
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Binding energy of the semi-relativistic Pauli-Fierz model2011
- Author(s)
  Itaru Sasaki
- Organizer
  FOURTH SCHOOL AND WORKSHOP ON MATHEMATICAL METHODS IN QUANTUM ME CHANICS
- Place of Presentation
  Bressanone/Brixen, Italy
- Year and Date
  2011-02-15
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Enhanced Binding for the Semi-relativistic Nelson Model2011
- Author(s)
  Itaru Sasaki
- Organizer
  RIMS研究集会『Applications of the Renormalization Group』
- Place of Presentation
  京都大学
- Year and Date
  2011-09-13
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Binding energy of the semi-relativistic Pauli-Fierz model2011
- Author(s)
  Itaru Sasaki
- Organizer
  Fourth School and Workshop on Mathematical Methods in Quantum Mechanics
- Place of Presentation
  Bressanone(Italy)
- Year and Date
  2011-02-15
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Binding condition for the general class of quantum field Hamiltonians2011
- Author(s)
  佐々木格
- Organizer
  スペクトル散乱理論とその周辺
- Place of Presentation
  京都大学(招待講演)
- Year and Date
  2011-12-14
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] Enhanced binding of the semi-relativistic Nelson model2011
- Author(s)
  I. Sasaki
- Organizer
  Laboratoire de Mathematiques
- Place of Presentation
  Univerisite Pari-Sud Orsay (France)
- Year and Date
  2011-09-01
- Data Source
  KAKENHI-PROJECT-23540195
[Presentation] On the ionization energy of the semirelativistic Pauli-Fierz model2010
- Author(s)
  Itaru Sasaki
- Organizer
  QMath11(Mathematical Results in Quantum Physics)
- Place of Presentation
  University of Hradec Kralove(Czech)
- Year and Date
  2010-09-09
- Data Source
  KAKENHI-PROJECT-22740087
[Presentation] On the ionization energy of the semirelativistic Pauli-Fierz model2010
- Author(s)
  Itaru Sasaki
- Organizer
  QMath11-Mathematical Results in Quantum Physics
- Place of Presentation
  Hradec Kralove, Czech
- Year and Date
  2010-09-08
- Data Source
  KAKENHI-PROJECT-22740087

1. HIROSHIMA Fumio (00330358)

# of Collaborated Projects: 3 results

# of Collaborated Products: 14 results
2. ICHINOSE Wataru (80144690)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. ITO Keiichi (50268489)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. HIROKAWA Masao (70282788)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. MATSUI Taku (50199733)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. OBATA Nobuaki (10169360)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. SUZUKI Akito (70585611)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
8. 乙部厳己

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Sasaki Itaru 佐々木 格

SASAKI Itaru 佐々木 格

Research Projects

Research Products

Co-Researchers

Spectral analysis of quantum fields using Bogoliubov transformationPrincipal Investigator

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Research on the binding condition and the renormalization for a quantum system of Bose field coupled to a particlePrincipal Investigator

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algebraic properties of spectral curves of Rabi model and non-commutative harmonic oscillators

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The theory of osicllatory integral operartors and its application to the Feynman path integral of quntum field theory

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Non-perturbative spectral analysis of quantum system by stochastic method

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On the theory of the oscillatory integral operators and its applications to the Feyman path integral for the field theory

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Spectral analysis of quantum field theory by means of functional integrations

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Spectral analysis of a fermion interacting with a bose fieldPrincipal Investigator

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[Book] Enhanced binding in quantum field theory, COE Lecture Note 382012

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[Journal Article] Explicit diagonalization of pair interaction models2021

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[Journal Article] Embedded eigenvalues and Neumann-Wigner potentials for relativistic Schroedinger operators2017

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[Journal Article] Essential spectrum of the discrete Laplacian on a perturbed periodic graph2017

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[Journal Article] Essential spectrum of the discrete Laplacian on a perturbed periodic graph2017

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[Journal Article] A mathematical analysis of dressed photon in ground state of generalized quantum Rabi model using pair theory2017

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Sasaki Itaru 佐々木格

SASAKI Itaru 佐々木格

[Journal Article] Enhanced Binding of an N-particle System Interacting with a　Scalar Field II. Relativistic Version2015