九後 汰一郎 Taichiro KUGO

論文一覧:  40件中 1-20 を表示

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  • Off-Shell Formulation of Supergravity on an Orbifold

    Fujita Tomoyuki , Kugo Taichiro , Ohashi Keisuke , Department of Physics Kyoto University , Department of Physics Kyoto University , Department of Physics Kyoto University

    An off-shell formulation is given for the supersymmetry in singular spaces that has recently been developed in an on-shell formalism by Bergshoeff, Kallosh and Van Proeyen using a supersymmetry single …

    Progress of theoretical physics 106(3), 671-690, 2001-09-25

    機関リポジトリ DOI 参考文献31件

  • Neutrino Masses in E_6 Unification : Particles and Fields

    Bando Masako , Kugo Taichiro , Physics Division Aichi University , Department of Physics Kyoto University

    We show that neutrino masses with large mixing between ν_μ and ν_τ are naturally reproduced in a supersymmetric E_6 grand unification model with an anomalous U(1)_X symmetry. We propose a simple scena …

    Progress of theoretical physics 101(6), 1313-1333, 1999-06-25

    機関リポジトリ J-STAGE 参考文献26件

  • BRS Invariance of Unoriented Open-Closed String Field Theory : Particles and Fields

    Asakawa Tsuguhiko , Kugo Taichiro , Takahashi Tomohiko , Department of Physics Kyoto University , Department of Physics Kyoto University , Department of Physics University of Tokyo

    We present the full action for the unoriented open-closed string field theory which is based on α = p^+ HIKKO type vertices. The BRS invariance of the action is proved up to terms which are expected t …

    Progress of theoretical physics 100(4), 831-879, 1998-10-25

    機関リポジトリ DOI 参考文献38件

  • On the Generalized Gluing and Resmoothing Theorem : Particles and Fields

    Asakawa Tsuguhiko , Kugo Taichiro , Takahashi Tomohiko , Department of Physics Kyoto University , Department of Physics Kyoto University , Department of Physics University of Tokyo

    The generalized gluing and resmoothing theorem originally proved by LeClair, Peskin and Preitschopf gives a powerful formula for the fused vertex obtained by contracting any two vertices in string fie …

    Progress of theoretical physics 100(2), 437-454, 1998-08-25

    機関リポジトリ J-STAGE 参考文献13件

  • Unoriented Open-Closed String Field Theory

    Kugo Taichiro , Takahashi Tomohiko , Department of Physics Kyoto University , Department of Physics University of Tokyo

    The string field theory for an unoriented open-closed string mixed system is constructed up to quadratic order based on joining-splitting type vertices. The gauge invariance with a closed string trans …

    Progress of theoretical physics 99(4), 649-689, 1998-04-25

    機関リポジトリ J-STAGE 参考文献34件

  • 超対称な理論での非線形表現(対称性の力学的起源と統一模型,研究会報告)

    九後 汰一郎

    A review of the nonlinear realization in supersymmetric theory is presented. The basic theory by Bando, Kuramoto, Maskawa and Uehara is explained in a pedagogical way. We shall also present a bit deta …

    素粒子論研究 95(3), C56-C79, 1997-06-20

    CiNii PDF - オープンアクセス 

  • Dynamical Realization of Gauge Fields? (ゲ-ジ場の起源) -- (ゲ-ジ場の起源をめぐって)

    九後 汰一郎

    Hidden local gauge場がdynamicalに実現される可能性とその問題点について議論する。

    素粒子論研究 93(5), E48-E57, 1996-08-20

    CiNii PDF - オープンアクセス 

  • Nontriviality of Gauge-Higgs-Yukawa System and Renormalizability of Gauged Nambu-Jona-Lasinio Model :

    Kugo Taichiro

    A class of gauge-Higgs-Yukawa systems in four dimensions are shown to give non-trivial and well-defined theories in the continuum limit; in order for this to hold, the renormalized Yukawa coupling y a …

    Progress of theoretical physics. Supplement (123), 113-125, 1996

    機関リポジトリ DOI 国立国会図書館デジタルコレクション 参考文献12件

  • Dynamical Symmetry Breaking in an E_6 GUT Model : Particles and Fields

    Kugo Taichiro , Sato Joe , Department of Physics Kyoto University , Department of Physics Kyoto University

    Dynamical symmetry breaking is studied in an E_6 GUT model of a single generation of fermions with strong 4-fermi interactions. The effective potential is analyzed analytically by the help of Michel's …

    Progress of theoretical physics = Progress of theoretical physics 91(6), 1217-1238, 1994-06-25

    機関リポジトリ DOI 被引用文献1件

  • Low Energy Theorems of Hidden Local Symmetries : Particles and Fields

    Harada Masayasu , Kugo Taichiro , Yamawaki Koichi , Department of Physics Kyoto University , Department of Physics Kyoto University , Department of Physics Nagoya University

    We prove to all orders of the loop expansion the low energy theorems of hidden local symmetries in four-dimensional nonlinear sigma models based on the coset space G/H, with G and H being arbitrary co …

    Progress of theoretical physics = Progress of theoretical physics 91(4), 801-828, 1994-04-25

    機関リポジトリ DOI

  • Isgur-Wise Function from Bethe-Salpeter Amplitude : Particles and Fields

    Kugo Taichiro , Mitchard Mark G. , Yoshida Yuhsuke , Department of Physics Kyoto University , Department of Physics Kyoto University , Department of Physics Kyoto University

    We develop the improved ladder approximation to QCD in order to apply it to the heavy quark mesons. The resulting Bethe-Salpeter equation is expanded in powers of the inverse heavy quark mass 1/M, and …

    Progress of theoretical physics = Progress of theoretical physics 91(3), 521-540, 1994-03-25

    機関リポジトリ DOI 被引用文献1件

  • Improving the Effective Potential : Multi-Mass-Scale Case : Particles and Fields

    Bando Masako [他] , Taichiro KUGO , Nobuhiro MAEKAWA , Hiroaki NAKANO , Aichi University , Department of Physics Kyoto University , Department of Physics Kyoto University , Department of Physics Kyoto University

    Previously proposed procedure for improving the effective potential by using renormalization group equation (RGE) is generalized so as to be applicable to any system containing several different mass …

    Progress of theoretical physics = Progress of theoretical physics 90(2), 405-417, 1993-08-25

    機関リポジトリ DOI 被引用文献1件

  • Target Space Duality as a Symmetry of String Field Theory : Invited Papers

    Kugo Taichiro , Zwiebach Barton , Department of Physics Kyoto University , Yukawa Institute for Theoretical Physics Kyoto University:(Permanent address)Center for Theoretical Physics MIT

    Toroidal backgrounds for bosonic strings are used to understand target space duality as a symmetry of string field theory and to study explicitly issues in background independence. Our starting point …

    Progress of theoretical physics = Progress of theoretical physics 87(4), 801-859, 1992-04-25

    機関リポジトリ DOI 被引用文献1件

  • Asymptotics of the Pseudoscalar Bethe-Salpeter Amplitude : Particles and Fields

    Aoki Ken-Ichi [他] , Masako BANDO , Taichiro KUGO , Mark G. MITCHARD , Yukawa Institute for Theoretical Physics Kyoto University , Physics Division Aichi University , Department of Physics Kyoto University , Department of Physics Kyoto University

    Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606 / Physics Division, Aichi University, Miyoshi 470-02 / Department of Physics, Kyoto University, Kyoto 606

    Progress of theoretical physics = Progress of theoretical physics 85(2), 355-369, 1991-02-25

    機関リポジトリ DOI

  • Calculating the Decay Constant f_π : Particles and Fields

    Aoki Ken-Ichi [他] , Masako BANDO , Taichiro KUGO , Mark G. MITCHARD , Hajime NAKATANI , Research Institute for Fundamental Physics Kyoto University , Physics Division Aichi University , Department of Physics Kyoto University , Department of Physics Kyoto University , Ishikawa Polytechnic College

    We calculate physical quantities accompanying dynamical chiral symmetry breaking in QCD like theories. To emphasize the consistency of our approximation with chiral symmety, we first derive an effecti …

    Progress of theoretical physics = Progress of theoretical physics 84(4), 683-701, 1990-10-25

    機関リポジトリ DOI

  • On the Superfield Formulation of Stochastic Quantisation : Particles and Fields

    Kugo Taichiro , Mitchard M.G. , Department of Physics Kyoto University , Department of Physics Kyoto University

    We give a new proof of the equivalence of the stochastic quantisation procedure of Parisi and Wu to the usual functional integral treatment for the case of the Euclidean scalar field theory. We work w …

    Progress of theoretical physics = Progress of theoretical physics 83(1), 134-150, 1990-01-25

    機関リポジトリ DOI 被引用文献1件

  • Lie群の表現(例外群)

    九後 汰一郎

    日本物理学会誌 44(8), p593-599, 1989-08

  • Landau Gauge Peculiarity in QED Schwinger-Dyson Equation

    Aoki Ken-ichi [他] , Masako BANDO , Taichiro KUGO , Katsuya HASEBE , Hajime NAKATA , Research Institute for Fundamental Physics Kyoto University , Physics Division Aichi University , Department of Phyusics Kyoto University , Physics Division Aichi University , Department of Physics Nagoya University

    Spontaneous chiral symmetry breaking solutions for the Schwinger-Dyson equation in massless QED are investigated in the covariant α-gauge. With a proper renormalization of the mass function Σ, critica …

    Progress of theoretical physics = Progress of theoretical physics 81(4), 866-877, 1989-04-25

    機関リポジトリ DOI 被引用文献2件

  • 弦の場の理論

    九後 汰一郎

    太陽に, 弦の場の作用汎関数Φ^3があった. 時空も運動も存在しなかったが, 弦の場が自発的凝縮を起こした瞬間, 四つの平担なミンコフスキー(Minkowski)次元と22個の半径10^<-33>cmの極小空間の次元を持つ時空が創成され, 弦の運動が始まった. 弦はこの空間の上で, 色々なモードに分解され, そこには, クォークも電子も, 光もW-ボゾンもグルーオンも, そして重力子も …

    日本物理学会誌 43(1), p26-37, 1988-01

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