Dynamical Symmetry Breaking in QED_3 from the Wilson RG Point of View
スポンサーリンク
概要
- 論文の詳細を見る
Dynamical symmetry breaking in three dimensional QED with N flavors, which has been mostly analyzed by solving the Schwinger-Dyson equations, is investigated by means of the approximated Wilson, or non-perturbative, renormalization group (RG). We study the RG flows of the gauge coupling and the general four-fermi couplings allowed by the symmetry, concentrating our interest on study of the phase structure. The RG equations have no gauge parameter dependence in our approximation scheme. It is found that there exist chirally broken and unbroken phases for N > N_<cr> (3 < N_<cr> < 4) and that the unbroken phase disappears for N < N_<cr>. We also discuss spontaneous parity breaking in QED_3 with four-fermi interactions.
- 理論物理学刊行会の論文
- 2001-05-25
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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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 K
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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