Quantum Chromodynamics with Many Flavors

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概要

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• We investigate the phase structure of lattice QCD for general number of flavors N_F. On the basis of numerical data combined with the results of the perturbation theory we propose the following picture: When N_F -^^&gh; 17, there is only one IR fixed point at vanishing gauge coupling, i.e., the theory in the continuum limit is trivial. On the other hand, when 16 -^^&gh; N_F -^^&gh; 7, there is a non-trivial fixed point. Therefore, the theory is non-trivial with anomalous dimensions, however, without quark confinement. Theories which satisfy both quark confinement and spontaneous chiral symmetry breaking in the continuum limit exist only for N_F -^^< 6.

• 理論物理学刊行会の論文
• 1998-10-14

著者

• Iwasaki Yoichi

  Center For Computational Physics And Institute Of Physics University Of Tsukuba

• Yoshie Tomoteru

  Center For Computational Physics And Institute Of Physics University Of Tsukuba

• Kanaya Kazuyuki

  Center For Computational Physics And Institute Of Physics University Of Tsukuba

• SAKAI Sunao

  Institute of Physics, University of Tsukuba

• Sakai Sunao

  Faculty Of Education Yamagata University

• KAYA Shogo

  Institute of Particle and Nuclear Studies High Energy Accelerator Research Organization (KEK)

• YOSHIE Tomoteru

  Institute of Physics and Center for Computational Physics University of Tsukuba

• SAKAI Sunao

  Faculty of Education, Yamagata University

• SAKAI Sunao

  Departmont of Physics Tokyo University of Education:Department of Physics, University of Tsukuba

関連論文

• Shrinking Photon and Geometrical Duality in the Reaction γ_VP→π^0P
• Quantum Chromodynamics with Many Flavors
• Strong CP Violation in the Chiral σ Model
• Light Hadron Spectrum from Quenched Lattice QCD : Results from the CP-PACS
• The Mass Levels of Q^2 ^2 States in (3+1) Dimensional Lattice Gauge Theory
• Meanfield Study of Radially Active U(1) and SU(2) Higgs Model : Particles and Fields
• The Scaling Properties of the Confined φ^4 Theory
• Transverse Momentum Distribution in the Nielsen-Olesen Model
• Continuum Limit and Renormalized Trajectory of Lattice Gauge Theory in Weak Coupling Expansions : Particles and Fields
• Instanton Effects on the Exotic Meson (Q^2^2) Spectroscopy
• Where will the Q^2Q^^-^2-States Be Found?
• QCD Phase Transition with Two Flavors of Wilson Quarks Using a RG Improved Action
• Benchmark Test of CP-PACS for Lattice QCD
• An Introduction to Finite Temperature Quantum Chromodynamics on the Lattice
• Comment on the Boxiton (Glueball) States in the Lattice Gauge Theory
• Developments in Finite Temperature QCD on the Lattice with Dynamical Quarks
• Meanfield Study of Z_2 Higgs Model with Radial Excitations and Mode Correlation Problem : Particles and Fields
• Deconfining Chiral Transition in QCD on the Lattice
• The Structure of the Vacuum. I : Two-Dimensional Non-Linear O(3) σ Model
• Finite Temperature QCD with Wilson Fermions
• On the Charmed Meson Decay into Two Pseudoscalar Mesons
• The Primordial Transverse Momentum of Quark and the Ratio σ_L/σ_T in the Bag Model
• Form Factors of Dipole States in Lattice Schwinger Model : 1+1-Dimensional Exercises
• Scaling and Duality Scheme in Deep Inelastic Processes
• The Primordial Transverse Momentum of Quark in a Bag Model and the Massive μ^+μ^- Pair Production
• The Structure of the Vacuum. II : Non-Abelian Gauge Models

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