Non-Perturbative Renormalization Group and Renormalizability of Gauged NJL Model
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概要
- 論文の詳細を見る
Non-perturbative renormalizability, or non-triviality, of the gauged Nambu-Jona-Lasinio (NJL) model in four dimensions is examined by using the non-perturbative (exact) renormalization group in the large N_c limit. When the running of the gauge coupling is asymptotically free and sufficiently slow, the two-dimensional renormalized trajectory (subspace) spanned by the four-fermi coupling and the gauge coupling is found to exist. This implies renormalizability of the gauged NJL model. In the case of a fixed gauge coupling, renormalizability of the model turns out to be guaranteed by the line of UV fixed points. We also discuss non-triviality of the gauged NJL model extended to include higher-dimensional operators and correspondence with the gauge-Higgs-Yukawa system.
- 理論物理学刊行会の論文
- 1999-12-25
著者
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TERAO Haruhiko
Institute for Theoretical Physics, Kanazawa University
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TERAO Haruhiko
Department of Physics, Kanazawa University
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Kubota Kenichi
Institute For Theoretical Physics Kanazawa University
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Terao H
Institute For Theoretical Physics Kanazawa University
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Terao Haruhiko
Institute For Theoretical Physics Kanazawa University
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Kubota Ken-ichi
Institute For Chemical Research Kyoto University
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KUBOTA Ken-Ichi
Institute for Theoretical Physics, Kanazawa University
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