Non-Perturbative Renormalization Group Approach to Dynamical Chiral Symmetry Breaking in QCD(Recent Developments in QCD and Hadron Physics)

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概要

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• We briefly review the basic notions of the non-perturbative renormalization group, and clarify the feature that it gives a systematic approximation scheme without any divergent series nor serious gauge dependence, compared to other perturbative and non-perturbative methods. We apply this new method to dynamical chiral symmetry breaking in QCD and find that the lowest level approximation contains the ladder Schwinger-Dyson equation results. We present chiral phase structures and critical exponents in the fixed gauge coupling analysis, which gives a gauge independent improvement including beyond-the-ladder diagrams.

• 素粒子論グループ 素粒子研究編集部の論文
• 1997-07-20

著者

• AOKI Ken-Ichi

  Department of Physics, Kanazawa University

• Aoki Ken-ichi

  Department Of Physics Kyoto University

• Aoki K

  Keio Univ. Yokohama Jpn

• Aoki Ken-ichi

  Department of Chemistry, Faculty of Science, Fukuoka University

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