DEGUCHI Shinichi

Institute of Quantum ScienceProfessor

Researcher Information

Research Keyword

  • 減衰調和振動子
  • 輻射の反作用
  • 弦理論
  • ツイスター理論
  • Gauge Theory
  • Quantum Field Theory

Field Of Study

  • Natural sciences, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics, Particle physics, Field theory, Gauge theory, Quantum theory, Twistor theory
  • Natural sciences, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics, Elementary Particle/Atomic Nucleus/Cosmic Ray/Space Physics

Educational Background

  • 1988
    Nihon University, Graduate School, Division of Science and Engineering, 物理学
  • 1983
    Nihon University, Faculty of Science and Engineering, 物理学
Research activity information

Award

  • 日本大学理工学部学術賞

Paper

  • ★Quantization of the damped harmonic oscillator based on a modified Bateman Lagrangian
    Shinichi Deguchi and Yuki Fujiwara
    Physical Review A, Feb. 2020, Refereed, Not invited
    Lead
  • No anomalous canonical commutators induced by Berry's phase
    Shinichi Deguchi; Kazuo Fujikawa
    Annals of Physics, Apr. 2020, Refereed, Not invited
    Lead
  • A new magnetic monopole inspired by Berry's phase
    Shinichi Deguchi and Kazuo Fujikawa
    Physics Letters B, Jan. 2020, Refereed, Not invited
    Lead
  • Topology change from a monopole to a dipole in Berry's phase
    Shinichi Deguchi and Kazuo Fujikawa
    Physical Review D, Jul. 2019, Refereed, Not invited
    Lead
  • Two quantization approaches to the Bateman oscillator model
    Shinichi Deguchi; Yuki Fujiwara; Kunihiko Nakano
    Annals of Physics, Feb. 2019, Refereed, Not invited
    Lead
  • Twistor formulation of a massive particle with rigidity
    Shinichi Deguchi; Takafumi Suzuki
    Nuclear Physics B, Jul. 2018, Refereed, Not invited
  • A no-go theorem for the n-twistor description of a massive particle
    S. Okano; S. Deguchi
    Journal of Mathematical Physics, Mar. 2017, Refereed, Not invited
  • Maximal Abelian gauge and a generalized BRST transformation
    Shinichi Deguchi; Vipul Kumar Pandey; Bhabani Prasad Mandal
    PHYSICS LETTERS B, May 2016, Refereed, Not invited
  • Gauged twistor formulation of a massive spinning particle in four dimensions (vol 93, 045016, 2016)
    Shinichi Deguchi; Satoshi Okano
    PHYSICAL REVIEW D, Apr. 2016, Refereed, Not invited
  • Gauged twistor formulation of a massive spinning particle in four dimensions
    Shinichi Deguchi and Satoshi Okano
    Physical Review D, 2016, Refereed, Not invited
    Lead
  • Relativistic Lagrangians for the Lorentz-Dirac equation
    Shinichi Deguchi; Kunihiko Nakano; Takafumi Suzuki
    ANNALS OF PHYSICS, Sep. 2015, Refereed, Not invited
  • 電磁気学とその発展
    出口真一
    数理科学, Feb. 2015, Not refereed, Invited
    Lead
  • 27pSC-3 Classification of higher rank spinor fields in twistorial models
    Okano S.; Deguchi S.
    Meeting Abstracts of the Physical Society of Japan, 2015
  • Spinor and twistor formulations of massless particles with rigidity
    Shinichi Deguchi; Takafumi Suzuki
    PHYSICS LETTERS B, Apr. 2014, Refereed, Not invited
  • Canonical formalism and quantization of a massless spinning bosonic particle in four dimensions
    Shinichi Deguchi; Shouma Negishi; Satoshi Okano; and Takafumi Suzuki
    International Journal of Modern Physics A, 2014, Refereed, Not invited
    Lead
  • (Pre-)Hilbert spaces in twistor quantization
    Shinichi Deguchi and Jun-ichi Note
    Journal of Mathematical Physics, 2013, Refereed, Not invited
    Lead
  • 粒子と弦のツイスター形式
    素粒子論研究・電子版(Web), Aug. 2012, Not refereed, Not invited
    Lead
  • Spinor and twistor formulations of tensionless bosonic strings in four dimensions
    Takeshi Egami; Jun-ichi Note
    Progress of Theoretical Physics, Dec. 2010, Refereed, Not invited
    Lead
  • A superspace formulation of Yang-Mills theory on sphere
    Rabin Banerjee; Shinichi Deguchi
    JOURNAL OF MATHEMATICAL PHYSICS, May 2010, Refereed, Not invited
  • Canonical formalism for a 2n-dimensional model with topological mass generation
    Shinichi Deguchi
    Physical Review D, Dec. 2008, Refereed, Not invited
    Lead
  • 2n-dimensional models with topological mass generation
    Shinichi Deguchi; Satoshi Hayakawa
    Physical Review D, Feb. 2008, Refereed, Not invited
    Lead
  • Atiyah-Singer index theorem in an SO(3) Yang-Mills-Higgs system and derivation of a charge quantization condition
    Shinichi Deguchi
    Progress of Theoretical Physics, 2007, Refereed, Not invited
    Lead
  • Charge quantization conditions based on the Atiyah-Singer index theorem
    Shinichi Deguchi
    Soryushiron Kenkyu, 2007, Not refereed, Not invited
    Lead
  • Charge quantization conditions based on the Atiyah-Singer index theorem
    Shinichi Deguchi; Kaoru Kitsukawa
    PROGRESS OF THEORETICAL PHYSICS, Jun. 2006, Refereed, Not invited
  • A BRST gauge-fixing procedure for Yang-Mills theory on sphere
    R. Banerjee and S. Deguchi
    Physics Letters B, 2006, Refereed, Not invited
    Lead
  • Charge quantization conditions based on the Atiyah-Singer index theorem
    S. Deguchi and K. Kitsukawa
    Progress of Theoretical Physics, 2006, Refereed, Not invited
    Lead
  • Second quantized formulation of geometric phases
    S. Deguchi and K. Fujikawa
    Physical Review A, 2005, Refereed, Not invited
  • An Effective Abelian Gauge Theory of Massive SU(2) Yang-Mills Theory
    S. Deguchi and Y. Kokubo
    Confinement 2003, Proceedings of the International Conference, Japan, 2003 (World Scientific 2004), 2004, Not refereed, Not invited
    Lead
  • Abelian Projection of Massive SU(2) Yang-Mills Theory
    S Deguchi; Y Kokubo
    Modern Physics Letters A, 2003, Not refereed, Not invited
  • A universal Lagrangian for massive Yang-Mills theories without residual Higgs bosons
    S Deguchi
    PHYSICS LETTERS B, Apr. 2002, Not refereed, Not invited
  • Quantization of massive Abelian antisymmetric tensor field and linear potential
    S Deguchi; Y Kokubo
    MODERN PHYSICS LETTERS A, Mar. 2002, Not refereed, Not invited
  • 軸性ゲージにおける反対称テンソルゲージ理論の量子化と線型ポテンシャル
    日本物理学会2001年秋季大会(24aSD), 2001, Not refereed, Not invited
  • Abelian Projection of Massive Yang-Mills Theory
    Kokubo Yousuke; Deguchi Shinichi
    素粒子論研究, 2001, Not refereed, Not invited
  • A Superspace Formulatuion of Abelian Antisymmetric Tensor Gauge Theory
    S Deguchi; B Mandal
    Modern Physics Letters A, 2000, Not refereed, Not invited
  • WZW model with Antisymmetric Tensor Fields
    日本物理学会 1999年秋の分科会(物理学会講演予稿集), 1999, Not refereed, Not invited
  • Anomalous gauge theories with antisymmetric tensor fields
    S Deguchi; T Mukai; T Nakajima
    Physical Review D, 1999, Not refereed, Not invited
  • A Yang-Mills theory in loop space and Chapline-Manton coupling
    S Deguchi; T Nakajima
    MODERN PHYSICS LETTERS A, Jan. 1997, Not refereed, Not invited
  • A U(1) Gauge Theory for Antisymmetric Tensor Fields
    S Deguchi; T Nakajima; H Totsuka
    Progress of Theoretical Physics, 1997, Not refereed, Not invited
  • A Third-Rank Tensor Field Based on a U(1) Gauge Theory in Loop Space
    S DEGUCHI; T NAKAJIMA
    Progress of Theoretical Physics, 1995, Refereed, Not invited
    Lead
  • Local Gauge Fields Based on a Yang-Mills Theory in Loop Space
    S DEGUCHI; T NAKAJIMA
    International Journal of Modern Physics A, 1995, Not refereed, Not invited
  • Classical Strings Subjected to the Lorentz Force in Loop Space
    S DEGUCHI
    Physical Review D, 1995, Not refereed, Not invited
  • Local Gauge Fields Based on a U(1) Gauge Theory in Loop Space
    S DEGUCHI; T NAKAJIMA
    International Journal of Modern Physics A, 1994, Not refereed, Not invited
  • Topological Invariants in an Alternative Topological Yang-Mills Theory
    S DEGUCHI
    Progress of Theoretical Physics, 1993, Not refereed, Not invited
  • Infinite tower extension of topological Yang-Mills theory
    S DEGUCHI
    Physics Letters B, 1992, Not refereed, Not invited
  • An Extended Topological Yang-Mills Theory
    S DEGUCHI
    Progress of Theoretical Physics Supplement, 1992, Not refereed, Not invited
  • Quantization of Gauge Theory with Scalar-field-dependent metric
    S DEGUCHI
    Progress of Theoretical Physics, 1989, Not refereed, Not invited
  • Superfield formalism of topological Yang-Mills theory
    S DEGUCHI
    Modern Physics Letters A, 1989, Not refereed, Not invited
  • A non-linear realisation of local internal supersymmetry
    S DEGUCHI
    Journal of Physics A Mathematics and General, 1989, Not refereed, Not invited
  • EVOLUTION OF HIGHER-DIMENSIONAL VACUUM WITH SUPERSYMMETRIC EXTRA SPACE
    S NAKA; F KAWANE; S DEGUCHI
    PROGRESS OF THEORETICAL PHYSICS, Feb. 1988, Not refereed, Not invited
  • Plank Mass Problem in the Kaluza-Klein Theory with a Supersymmetric Extra Space II
    S DEGUCHI; S NAKA
    Progress of Theoretical Physics, 1988, Not refereed, Not invited
  • Plank Mass Problem in the Kaluza-Klein Theory with a Supersymmetric Extra Space
    S NAKA; S DEGUCHI
    Progress of Theoretical Physics, 1986, Not refereed, Not invited

MISC

  • Twistor formulation and BRST quantization of a tensionless string
    岡野諭; 出口真一
    日本物理学会講演概要集(CD-ROM), 2024
  • BRST quantization of a tensionless string formulated using twistors
    DEGUCHI Shinichi; OKANO Satoshi
    Annual Report. Institute of Quantum Science of Nihon University, 2023
  • Twistor formulation and BRST quantization of a tensionless bosonic string
    岡野諭; 出口真一
    日本大学生産工学部学術講演会講演概要(CD-ROM), 2023
  • ツイスター変数を用いた有質量粒子の記述について
    岡野諭; 出口真一
    日本物理学会講演概要集(CD-ROM), 2017
  • 電磁場中のスピンをもつ無質量粒子のツイスター模型
    木本翔大; 岡野諭; 出口真一
    日本大学理工学部学術講演会予稿集(CD-ROM), 2015
  • 19aSF-13 A twistorial model of massive particle with a SU(2) gauge symmetry
    Okano Satoshi; Deguchi Shinichi
    Meeting abstracts of the Physical Society of Japan, 22 Aug. 2014
  • SU(2)ゲージ対称性をもつ有質量粒子のツイスター模型
    岡野諭; 出口真一
    日本大学理工学部学術講演会予稿集(CD-ROM), 2014
  • ツイスター形式に基づく有質量粒子の正準形式
    岡野諭; 出口真一
    日本物理学会講演概要集, 2013
  • ツイスター理論に基づくスピンをもつ有質量粒子の正準形式
    岡野諭; 出口真一
    日本大学理工学部学術講演会予稿集(CD-ROM), 2013
  • スピンをもつ有質量粒子の正準形式
    岡野諭; 根岸翔馬; 出口真一
    日本大学理工学部学術講演会予稿集(CD-ROM), 2012
  • 15pRD-7 Massive Yang-Mills理論における有効ポテンシャルとカラーの閉じ込め(素粒子論)
    小久保 陽介; 出口 真一
    日本物理学会講演概要集, 13 Aug. 2002

Lectures, oral presentations, etc.

  • 無張力弦のツイスター形式とBRST量子化 Ⅱ
    岡野諭; 出口真一
    日本物理学会79回年次大会, Sep. 2024, Not invited
  • Twistor formulation and BRST quantization of a tensionless string
    Satoshi Okano; Shinichi Deguchi
    The physical society of Japan 2024 spring meeting, Mar. 2024, Not invited
  • Twistor formulation and BRST quantization of a tensionless bosonic string
    Satoshi Okano; Shinichi Deguchi
    令和５年度（第56回）日本大学生産工学部 学術講演会, Dec. 2023, Not invited
  • Derivation of the Lindblad equation for a harmonic oscillator system
    Huan Liu; Takafumi Suzuki; Shinichi Deguchi
    令和４年度（第66回）日本大学理工学部 学術講演会, Dec. 2022, Not invited
  • Can Dirac monopole in Berry's phase move?
    K. Umetsu; S. Deguchi; K. Fujikawa
    日本物理学会2021年秋季大会, Sep. 2021, 日本物理学会, Not invited
  • A new monopole based on Berry's phase
    S. Deguchi; K. Fujikawa; K. Umetsu
    日本物理学会 2021年秋季大会, Sep. 2021, 日本物理学会, Not invited
  • 減衰調和振動子の量子力学的な振る舞い
    藤原侑樹; 出口真一
    日本物理学会第75回年次大会, Mar. 2020, 日本物理学会, Not invited
  • 修正されたBateman模型に基づく減衰調和振動子の量子化
    藤原侑樹、出口真一
    日本物理学会 第74回年次大会, Mar. 2019, 日本物理学会, Not invited
  • 修正されたBateman模型に基づく減衰調和振動子の量子化
    出口真一
    第８回日大理工・益川塾連携 素粒子物理学シンポジウム, Nov. 2018, 日本大学・京都産業大学, Not invited
  • 減衰調和振動子の正準量子化（１つの試み）
    出口真一
    第７回日大理工・益川塾連携 素粒子物理学シンポジウム, Nov. 2017, 日本大学・京都産業大学, Not invited
  • An inhomogeneous transformation in the gauged twistor model of a massive particle
    出口真一
    第６回日大理工・益川塾連携 素粒子物理学シンポジウム, Oct. 2016, 日本大学・京都産業大学, Not invited
  • Gauged Twistor Models of Massless and Massive Particles
    出口真一
    第４回日大理工・益川塾連携 素粒子物理学シンポジウム, Nov. 2014, 日本大学・京都産業大学, Not invited
  • Gauged Twistor Formulation of Massless and Massive Particles
    Shinichi Deguchi
    New Trends in Field Theories４, Nov. 2014, Banaras Hindu University, Invited
  • (Pre-)Hilbert Spaces in the Canonical Quantization of Twistors
    Shinichi Deguchi
    New Trends in Field Theories 3, Nov. 2012, Banaras Hindu University, Invited
  • A Twistor Formulation of Massive Particles
    出口真一
    第２回日大理工・益川塾連携 素粒子物理学シンポジウム, Nov. 2012, 日本大学・京都産業大学, Not invited
  • 粒子と弦のツイスター形式
    出口真一
    第１回日大理工・益川塾連携 素粒子物理学シンポジウム, Oct. 2011, 日本大学・京都産業大学, Not invited
  • Structure of a Vacuum in Quantum Chromodynamics
    第47回理工学部学術講演会論文集, 2003, Not invited
  • Knot-like solitons in an extended Ginzburg-Landau model
    第47回理工学部学術講演会論文集, 2003, Not invited
  • 反対称テンソル場を含むゲージ理論の量子化と線形ポテンシャル
    日本大学理工学部第45回学術講演会, 2001, Not invited
  • ベクトル場の量子化における、熱核を用いた近似法の拡張
    日本大学第45回学術講演会, 2001, Not invited
  • Massive Yang-Mills理論のアーベリアン射影
    日本大学理工学部学術講演会論文集, 2000, Not invited
  • Abelian Projection of Massive Yang-Mills Theory
    日本大学理工学部 学術講演会論文集, 2000, Not invited
  • Phase Operators for 2-mode
    日本大学理工学部学術講演会 講演論文集, 1999, Not invited
  • Generalized Index Theorem for Non-Abelian Anomalies
    日本大学理工学部学術講演会 講演論文集, 1999, Not invited
  • Abelian-Projected Effective Gauge Theory of QCD
    日本大学理工学部学術講演会 講演論文集, 1999, Not invited
  • Gauge theories in loop space
    日本大学理工学部学術講演会, 1998, Not invited
  • Consistent and covariant anomalies in the chiral gauge theory
    日本大学理工学部学術講演会, 1998, Not invited
  • A Wess-Zumino-Witten model with antisymmetric tensor fields
    日本大学理工学部学術講演会, 1998, Not invited